| Cal AI | One of two rented model providers that estimate calories from the food photo; the company did not train a model. image-reading model, not named | | | B | A public page outside the story's source list |
|---|
| Jenni AI | Generates the text that the editor suggests; the product resells this model output. GPT-3 | since 2020 | US$20,000 to US$30,000 a month (September 2023) | B | Sacra, 26 April 2024: Jenni AI: the $5M/year Chegg of generative AI, and the interview with David Park published the same day |
|---|
| NightCafe | One of the outside image-model providers that NightCafe calls through an API and sells by the credit. DALL-E 2 in 2024; GPT Image 2 on the 2026 home page | | | B | TechCrunch, 31 August 2024: Before Midjourney, there was NightCafe, and it's still kicking |
|---|
| Postiz | Model provider behind the AI generation features of the product; also required for video clipping. | | | B | GitHub repository gitroomhq/postiz-app, metadata read 12 October 2026 |
|---|
| Umax | The face analysis is a prompt to OpenAI's vision model, so the founder trained no model of his own. GPT Vision | | | B | Fortune, 1 July 2024, by Alexandra Sternlicht: Inside the 'looksmaxxing' economy |
|---|
| Screenshot to Code | GPT models read the screenshot and write the code; the first version also used DALL-E for images. GPT-4 Vision and DALL-E at launch, later GPT-4 Turbo and GPT-4o, in 2026 GPT-5.5 and GPT-5.4 Mini | since November 2023 | | B | Screenshot to Code README on GitHub, October 2026 |
|---|
| DimeADozen | Answered hundreds of pre-written prompts whose answers were joined into each report. ChatGPT models; the 2023 sources do not name the model | | | B | CNBC Make It, Megan Sauer, 16 October 2023: Two friends used AI and $185 to start a side hustle, they just sold it for $150,000 |
|---|
| Wrestle AI | Runs the AI inference that turns each uploaded video into a score and written coaching feedback. | | | B | Rork blog, 25 February 2026: 18yo Made $131K in 6 Months with Rork |
|---|
| PlaylistAI | The language model that turns a user's sentence into a list of songs; the exact model is not stated. | since January 2023 | | B | MusicRadar, 11 January 2023: This new app uses the AI technology behind ChatGPT to make you any kind of playlist you want |
|---|
| DoCV | The page source names it as the default AI provider in the administrator settings; the terms say third-party AI providers write the content. | | | B | A public page outside the story's source list |
|---|
| Memo AI | One of the language models that writes the flashcards, summaries and answers from the uploaded material. GPT-4; the pricing page also names OpenAI embeddings for retrieval | | | B | HK01, 洪芷菁, 8 May 2024: 港大醫科生自資研製「記憶卡片」AI程式助溫書 吸納全球十萬用戶 |
|---|
| Base44 | Small, cheap model that the router sends patches and small fixes to. GPT-4o-mini | | | C | AI & No-Code Exits newsletter, 16 January 2026: How Maor Shlomo sold Base44 for $80M |
|---|
| Chatbase | The model behind the first product, chat with your own documents; still one of the model families that agents can run on. GPT-3 at the start | | | C | Indie Hackers, 2023, interview by Channing Allen: How a college student reached $64,000/mo in 6 months by being an AI first mover |
|---|
| Magnific | Wrote about half of the product's source code, according to the founder's email to users in May 2024. GPT-4, used to write code | | | C | The Decoder, May 2024: Magnific AI co-founder predicts the rise of one-person unicorns propelled by AI after exit |
|---|
| TypingMind | The first model interface the app was built on; customers connect their own API key and pay OpenAI for usage. ChatGPT API at the March 2023 launch | since March 2023 | | C | Indie Hackers, 2023: How a tool that improves the UI for ChatGPT reached $10k/mo only a few months after launch |
|---|
| Formula Bot | The model that turns the typed instruction into a spreadsheet formula; the founder never trained a model. GPT-3 in 2022 | since 2022 | about US$5,000 in the first two weeks, before any revenue | C | Bubble customer story, 23 April 2025: How Formula Bot Built a 1 Million-User AI Tool on Bubble |
|---|
| PDF.ai | The language model that answers the questions from the text of the uploaded PDF. | | | C | SaaS Starter Stack: PDF.ai founder interview |
|---|
| Tweet Hunter | First language model, used to analyse and sort viral tweets and for early tweet generation. GPT-3 | replaced by AI21 Studio | | C | AI21 Labs, 20 February 2023: How Tweet Hunter scaled to an 8-figure exit with AI21's LLM |
|---|
| AudioPen | Whisper turns the recording into a transcript and a GPT model rewrites it into a clean note; the founder's largest cost. Whisper (speech to text) and GPT-4 (rewriting) | | | C | AI Makers newsletter, 16 May 2023: 500 paying customers in 1 month |
|---|
| Podsqueeze | Writes the show notes and other texts from the episode transcript; the product was built when this API appeared. ChatGPT API | since 2023 | | C | SaaStrappers, 17 March 2024: From podcasting to a tool for podcasters, Tiago Ferreira |
|---|
| SiteGPT | The language model that composes the chatbot answers from the customer's website text. GPT-4.1 and GPT-4.1 mini on the 2026 pricing page | | | C | Starter Story, 8 October 2023: How my AI side project grew to $15K MRR in just a few months |
|---|
| Rytr | The language model that writes the text; Rytr formats the request before the call and cleans the answer after it. GPT-3 | | | C | Starter Story, 28 November 2021: I Built A Simple AI Writing Tool That Makes $60K/Year |
|---|
| Talknotes | Turns each voice recording into text and rewrites it in the chosen style; the main running cost of the app. Whisper for transcription; a second model call rewrites the transcript | | under US$10 in total to build the first version | C | Starter Story, 4 April 2024: I Taught Myself To Code And Now Make $5K/Mo |
|---|
| Arcads | Default image model inside the product; the founder's growth agents also send prompts to ChatGPT. GPT Image 2 (default image model) | | | C | A public page outside the story's source list |
|---|
| AutoShorts.ai | AI model service named by the founder; a language model writes the script of each video. model not named | | US$4,242.27 in one month (cost table posted 5 September 2024) | C | X replies by Eric Smith, 16 and 17 May 2024: growth channels, costs and technology |
|---|
| DocsBot AI | Language models that write the chatbot's answers from the passages found in the customer's documents. ChatGPT API at the launch; GPT-5.1 to GPT-6.1 added by October 2026 | since March 2023 | | C | Aaron Edwards on X, 9 March 2023: announcement of the DocsBot beta, and six other posts of 2023 |
|---|
| Magai | GPT models called through a direct API account, which the founder says has the highest usage tier. GPT-4 at the launch; GPT-5 by October 2025 | since April 2023 | | C | Magai home page in the Wayback Machine, 8 April 2023 |
|---|
| Headlime | Text model that writes the marketing copy; the founder got early access by emailing OpenAI's chief technology officer. GPT-3 | since June 2020 | | C | Indie Hackers, 1 July 2021: Danny Postma, Zero to 7 Figure Exit in 8 Months with Headlime, AMA |
|---|
| Softgen | Coding model that the agent can use to write the apps; the user chooses the model. Listed by the current owner. GPT-5; the site names GPT-5.4 in October 2026 | | | C | Softgen overview page by the current owner: The Original Full-Stack AI Builder |
|---|
| My AskAI | Models write the answers, the handover summaries and the insights; embedding models index the customer's content for search. GPT-4o; embedding models | | | C | Grow Your B2B SaaS podcast, 11 June 2024: S4E7, How MyAskAI bootstrapped with a team of 2 to $300k ARR, with Michael Heap |
|---|
| BoltAI | First model provider the app was built for; each customer's own key pays for the usage. customer's own API key | | | C | Daniel Nguyen's newsletter, 29 September 2024: Sep 2024: Interview on Indie Hackers |
|---|
| Revid.ai | Video model for clips of 4, 8 or 12 seconds, at 130 credits per 5 seconds. Sora 2 | | | C | Revid AI Credit Costs: Complete Reference, last updated October 2026 |
|---|
| Castmagic | Language model that writes the show notes, newsletters and threads from the transcript. GPT-3.5 Turbo | since March 2023 | | C | Blaine Bolus on X, 9 March 2023: upgrades pushed to Castmagic this week; also his posts of 15 March and 14 November 2023 |
|---|
| CreativeClaw | Named by the company as one of the providers of its generation models. | | | C | CreativeClaw home page, read 13 October 2026 |
|---|
| SEObot | One of three model APIs that write the articles; the founder switches between them as each improves. | | about US$30,000 a month for all model APIs together (founder, November 2025) | C | Starter Story podcast, 11 November 2025: I Make $250K/Month From 20 Apps, transcript on StationLM |
|---|
| MagicSlides | Language models that write the slides; the first provider of the add-on. GPT models; GPT Image 2 on the 2026 pricing page | | US$1,000 (founder, June 2024; period not named) | C | Sanskar Tiwari on X, posts from 2023 to 2026 |
|---|
| LocalRank | Writes the articles of the LLM Citations product, each more than 1,000 words. GPT-4o | | | C | LocalRank product page: LLM Citations |
|---|
| Polsia | Generates the video and image adverts of invented people that the advertising agent uploads to Meta. Sora 2 video model for the adverts; image generation | | | C | Mixergy, 27 May 2026, interview by Andrew Warner: Polsia: AI Agent + Zero Employees = $10M Run Rate |
|---|
| Nichesss | Writes every text the app produces, from examples of good copy plus the user's form answers. GPT-3 for all text; DALL-E 2 images added to the deal by December 2022 | since November 2020 | US$2,000 a month for AI generation (interview published January 2022) | C | Starter Story, 14 January 2022: This Self-Taught Programmer Built A $360K/Year GPT-3 App |
|---|
| Coachvox AI | The core AI engine behind every clone; the company adds its own logic and workflows on top. | | | C | Coachvox AI: FAQs page, read 14 October 2026 |
|---|
| aiCarousels | Writes the slide text of each carousel from the user's topic, text, web page or video. GPT-4o from May 2024 | since 2023 | | C | Starter Story, 28 November 2023: I Accidentally Built A SaaS in 10 Days & Quit My 9-5, interview with Fernando Pessagno |
|---|
| LLM Gateway | One of the providers to which the gateway routes requests. | | | C | LLM Gateway: About page |
|---|
| fastwrite.io | One of the language model providers for text suggestions and the AI advisor, chosen by function and availability. | | | C | fastwrite.io Datenschutzerklärung (privacy policy), version of September 2026 |
|---|
| AI Toolbox | Writes the summaries for the two features that condense one chat the user picks. | | | C | AI Toolbox Privacy Policy, last updated 1 October 2026 |
|---|
| Koe | Listed among the AI model providers for frames, videos, audio and assistant answers; the model is not named. | | | C | Koe Privacy Policy |
|---|
| Pet Plus Us | Generates the portraits from the customer's photos and the chosen look, and screens uploads for harmful content. model not named | | | C | Pet Plus Us privacy page, last updated 27 September 2026 |
|---|
| AppAlchemy | Supplies language models for the generation; the founder's tech stack lists it without naming a model. | | | C | TrustMRR, AppAlchemy markdown profile, read 14 October 2026 |
|---|
| FounderPal | Writes the marketing strategies from long prompts; the founders chose GPT-4 although cheaper models existed. GPT-4 | | about US$1 per strategy | C | Starter Story, 19 March 2024: We Made $60,000 From A Product We Built In 3 Weeks |
|---|
| Questgen and Supermeme.ai | Supplies the language model behind Supermeme's meme captions; the Questgen site also named GPT-3 in January 2022. GPT-3 | since January 2022 | | C | Wayback Machine capture of supermeme.ai, 27 January 2022 |
|---|
| Topical Map AI | Language models that produce the keyword ideas and recommendations in each topical map. | | | C | Pete McPherson, projects page, read 14 October 2026 |
|---|
| Adspirer | Listed as a model provider in the founder's technology list; no source says which model or for which feature. | | | C | TrustMRR: Adspirer profile, read 15 October 2026 |
|---|
| 1ClickWebsite.ai | Runs site creation, Lead Gen and the Website Agent on the Unlimited plan, with the customer's own OpenAI key. model not named | | | C | 1ClickWebsite.ai Unlimited plan page |
|---|
| Notis | Runs the assistant's language models, voice transcription and deep research. GPT-5.6 Sol and GPT-5.6 Luna (July 2026); gpt-transcribe for voice (August 2026) | | about US$50,000 to August 2026 | C | Notis changelog, August 2025 to August 2026 |
|---|
| SuperbulletAI | GPT-4.1 was one of the two premium models integrated in June 2025, by the roadmap. GPT-4.1 | since June 2025 | | C | SuperbulletAI pricing, downloads, roadmap and FAQ pages, read 15 October 2026 |
|---|
| ThreadMaster | Writes the threads from the user's topic or draft. GPT-3.5-turbo on the launch page; the terms of October 2026 say OpenAI's GPT technology | | | C | Wayback Machine: threadmaster.ai on 15 August 2025 |
|---|
| Sleek | Listed by the founders in the product's tech stack; the model and its task are not stated. | | | C | TrustMRR: Sleek, Stripe-verified revenue and sale listing |
|---|
| Setter AI | Supplies the language model that writes the messages to leads and books meetings. Model not named; Product Hunt calls the product ChatGPT powered | | | C | TrustMRR: Setter AI LLC, verified revenue profile |
|---|
| Chat Thing | Wrote the bots' answers from the launch; by June 2023 the bots had used nearly 1 billion OpenAI tokens. gpt-3.5-turbo-0125 as the default model in March 2024; speech-to-text and text-to-speech for voice in 2026 | | | C | Chat Thing changelog, 20 March 2024: More tokens for everyone |
|---|
| RankAI | Listed in the backend of the founder-written tech stack; no source names a model. | | | C | TrustMRR markdown profile of RankAI, revenue verified from Stripe, last synced 30 July 2026 |
|---|
| AudioNotes | Whisper transcribes recordings, and OpenAI's models power the summaries and the other AI features. Whisper | | | C | AudioNotes: Plans and Pricing, read 16 October 2026 |
|---|
| CopyGenius | Writes the text for every template and for the Genius Editor, according to the company's terms page. GPT-3 | | | C | CopyGenius Terms & Conditions, last updated 18 January 2022 |
|---|
| Wave AI | Writes the summaries and other language features; in 2024 it also did the transcription. Whisper for transcription in 2024; models for summaries | | about US$0.10 per hour of audio for transcription, 2024 | C | Wave Data Processing Addendum, Annex 3: subprocessors and vendors |
|---|
| StoryShort | Named on the July 2024 home page (GPT-4o); in October 2026 the FAQ lists OpenAI among the three voice providers. GPT-4o; voice models | | | C | Internet Archive copy of storyshort.ai, 27 July 2024 |
|---|
| AI2SQL | Generated the SQL in the early product; the 2022 site footer says it was powered by OpenAI Codex and GPT-3. Codex and GPT-3 | | | C | Wayback Machine: ai2sql.io on 27 February 2022 |
|---|
| Alvas.ai | The model that an agency case study names as writing the text of the AI-generated abandoned-cart emails. GPT-4 | | | C | Alvas.ai case study, published 27 August 2024: Ackermann x Shaping New Tomorrow, the first ever AI generated Abandoned Cart email |
|---|
| Sheets Resume | Language models behind the AI resume builder, listed first in the founder's tech stack. | | | C | Starter Story, 21 March 2025: We Built A $20K/Month AI Resume App |
|---|
| MakeLanding | The founder tested GPT before building the generator, whose AI writes the page copy; no source names the exact model. GPT | since April 2023 | | C | The Fastlane Forum, 29 November 2023: I sold my AI tool for $35,000 (Reddit Post), a copy of the founder's post on Reddit r/Entrepreneur |
|---|
| Letterly | Named in the privacy policy of January 2026 as an AI provider that processes the users' input and output. | | | C | Letterly privacy policy, last updated 1 January 2026 |
|---|
| GlowUp | Listed as GlowUp's AI provider on the founder's website; no source names the model that applies the makeup. | | | C | Louis-David Paul-Hus's website: home page and Digital Products page |
|---|
| Pingo AI | Provides AI models that receive chat messages and voice recordings to generate the tutor's replies; the policy does not name the models. | | | C | Pingo AI privacy policy, last updated 11 August 2026 |
|---|
| Draft AI | Turns the user's voice recordings into text before the posts are written; the audio files are deleted after processing. Whisper | | | C | Draft privacy policy, last updated 24 July 2026 |
|---|
| Brawler | Named by the seller as the AI provider; the app uses AI for video analysis, coach chats and food logging. | | | C | whatsthe.app listing: Strikr, read 16 October 2026 |
|---|
| Eightify | Summarized each transcript part at launch; the founder paid standard davinci-003 prices per video. davinci-003, later ChatGPT | since January 2023 | US$0.10 to US$0.90 per video (January 2023) | C | Hacker News: Show HN: YouTube Summaries Using GPT, 27 January 2023, and the founder's later submissions (user ax8080) |
|---|
| Rosebud | Generated the journal reflections and guidance at launch in July 2023. | since July 2023 | | C | Rosebud blog, 26 July 2023, by Chrys Bader: Meet Rosebud: Your AI Personal Growth Coach |
|---|
| Innsikt.AI | Produced the child avatar's answers in the research version of the training program, with one-shot prompting. GPT-3 | | | C | Innsikt.AI research page: 22 publications, 2021 to 2025 |
|---|
| Inbox Zero | The first language-model provider behind the assistant; still offered after Anthropic became the default in August 2024. | | | C | Inbox Zero changelog (Featurebase), entries of May to August 2024 |
|---|
| MonAi | Turns a typed or spoken sentence into expense entries; the founder says it handles the easier AI requests. model not named; used for the simpler tasks such as parsing an expense sentence | | about US$200 a month together with the Anthropic calls | C | Starter Story, 6 April 2026, video interview by Pat Walls: This App Makes $35K/Month With One Influencer |
|---|
| Runbear | Ran the early assistants through the OpenAI Assistants API and still handles evaluation and knowledge extraction. Assistants API v2 in 2024; GPT-6.1 Sol in 2026; used for evaluation, knowledge extraction and response compression | since 2023 | | C | Runbear changelog, 28 August 2024: New Look, Google Gemini, and More |
|---|
| Vizologi | Generates the business ideas, plans and reports; GPT-3 from the 2020 access, GPT-5.5 named on the company's AI page in 2026. GPT-3 in 2020; GPT-5.5 named in 2026 | since October 2020 | | C | Starter Story, 29 October 2021: Our $8K/Month AI-Powered SaaS Helps Businesses Find New Opportunities |
|---|
| Dropmagic | Writes the store copy, together with Gemini models, according to the founder. | | | C | A public page outside the story's source list |
|---|
| CalBuddy | Fallback model for the meal analysis when Gemini is not used. | | | C | CalBuddy privacy policy, last updated 20 August 2026 |
|---|
| Recall | Wrote the summaries of podcasts and web content in the 2023 extension; still one of the models offered. ChatGPT | | | C | Hacker News posts by Paul Richards (paulrchds), 2022 to 2025 |
|---|
| ToneAdapt | Language model that researches and adapts guitar settings for each song. | | | C | Starter Story episode page, 14 June 2026: The First App I Ever Built Makes $25K/Month, with transcript |
|---|
| CodeGuide | Writes most of the planning documents; the largest cost of the business. o1 and o3-mini (March 2025) | | about US$2,800 a month (March 2025); US$2,134 (June 2025) | C | Starter Story, 21 May 2025: From Zero to $42K/Month in 90 Days with AI (video interview with CJ Zafir by Pat Walls) |
|---|
| Rankability | Generated the AI content briefs and outlines in the January 2025 product. GPT | | | C | Wayback copy of the Rankability pricing page, 21 January 2025: Become a Founding Member |
|---|
| Pattrn | Runs the AI coach, goal plans and progress analysis sold in the Pro plan. o3-mini, GPT-4.1, o4-mini | since March 2025 | | C | Pattrn Updates: iOS changelog and release notes |
|---|
| Boxer AI | Named by the seller in the backend technology list; no source names the model or what it does in the app. | | | C | whatsthe.app listing: Boxer AI, read 25 October 2026 |
|---|
| Visualize AI | Generates short design metadata, such as titles, for each generated design. | | | C | Visualize AI privacy policy, last updated 8 June 2026 |
|---|
| InkFusion | Second AI provider that processes prompts and photos, according to the terms; no source names the model. | | | C | InkFusion terms of use |
|---|
| ResumeUp.AI | Writes and rewrites resume text and cover letters; the company names it as the service the product critically depends on. GPT-4 | | | C | AppSumo: ResumeUp.AI lifetime deal, read 25 October 2026 |
|---|
| Guidejar | Language models behind the AI features such as guide rewriting and video-to-guide. | | | C | Guidejar security page with subprocessor list, read 25 October 2026 |
|---|
| Advanced GSC MCP | Runs the in-app support assistant, the blog article chat and the chat widget on the marketing pages. | | | C | Advanced GSC MCP Server, Privacy Policy |
|---|
| PostNitro | Writes the slide text; the user picks the model per generation, with smaller models on cheaper plans. GPT-6 Luna, GPT-6.1 Sol, GPT-6 Astra | | | C | PostNitro pricing page |
|---|
| Road to Offer | Fallback AI paths and voice audio generation. | | | C | Road to Offer Privacy Policy, last updated 25 September 2026 |
|---|
| ElyxAI | Processes prompts and reads images and scanned PDFs for the agent. | | | C | ElyxAI end-user license agreement |
|---|
| SheetAI | Generates the text answers of the SHEETAI functions, first with the customer's own OpenAI key. GPT models | | | C | Wayback Machine copies of the SheetAI pricing page, 4 January 2023 to 12 June 2026 |
|---|
| Journable | Runs most of the AI work: reading meal text or photos and estimating ingredients, portions, calories and macros. | | | C | Starter Story episode page, 26 March 2026: I Built a $100K/Month Android App, with Steve of Journable |
|---|
| Slashspace | Answers hosted chats and, by default, writes the title of each new chat. hosted chat models and chat titles | | | C | Slashspace Privacy Policy, last updated 21 October 2026 |
|---|
| WeBuilda | Generated the website text, and counted against the AI credits in each plan. ChatGPT (model not named) | | | C | WeBuilda home page with pricing section, Wayback Machine capture of 22 June 2024 |
|---|
| CopyCopter | Writes the video scripts and the image prompts for each scene. GPT models | | | C | Acquire.com blog, 7 February 2025: How Finding a New Owner for Copycopter Saved Kamil from Bankruptcy |
|---|
| ChatNode | Wrote the chatbot answers from the customer's documents; the founder named GPT-3.5 and GPT-4 in May 2023. GPT-3.5, GPT-4 | since May 2023 | | C | Hacker News posts by tagarate, including 16 May 2023: Chatnode.ai – Building a tool to train ChatGPT with any of your data (read through the Algolia search API) |
|---|
| MyFutureSelf | Writes the Future Self mentor's chat and voice replies and generates the avatar from the user's photo. | | | C | MyFutureSelf privacy policy, updated 13 October 2026 |
|---|
| BridgeMind | Provides models for the hosted voice features. | | | C | BridgeMind privacy policy, read 25 October 2026 |
|---|
| Rezi | Wrote resume content in the AI writer from December 2020; the company does not name the models it uses today. GPT-3 | since December 2020 | | C | Jacob Jacquet on the Rezi blog, 5 July 2023: the post on reaching 1,000,000 users |
|---|
| 3D-Agent | Runs the agent in new chats since July 2026. GPT-5.6 Sol | since July 2026 | | C | 3D-Agent changelog, versions from July to October 2026 |
|---|
| Jetwriter AI | Generates the replies and rewrites in the paid version run on the company's servers. GPT-4o, GPT-4o mini | | | C | Hacker News job post by jerrygoyal, 2 August 2024: ChatGPT Writer, React Dev |
|---|
| Elephas | Wrote and rewrote text in the earlier app, called with each user's own OpenAI key. GPT-3, later GPT-3.5 and GPT-4 | since 2022 | | C | Analytics India Magazine, 15 November 2022: Satoshi of AI: Kamban, an India-based AI Writing Tool Developer |
|---|
| Alchie | Listed as the second AI provider whose API costs start with each subscription. | | | C | Alchie home page and llms-full.txt |
|---|
| ChatDash | Runs the text agents that clients edit inside the dashboard and the SaaS Mode text provider. Assistants API; model chosen per assistant | | | C | ChatDash help center: Knowledge Base, AI Analysis Overview, Edit Assistant, SaaS Mode, Phone Numbers, Support and Resources |
|---|
| Chariot | The models behind the earlier Chariot product, an API that added chat to other developers' apps. GPT-3.5 and GPT-4, in the 2023 Chariot API product | since 2023 | | C | Wayback Machine: chariotai.com on 1 June 2023 and 17 May 2024 |
|---|
| Ferndesk | One of the model providers, reached through OpenRouter, that generate AI output, search embeddings and ranking. | | | C | Ferndesk Privacy Policy, effective 5 October 2026, last updated 12 October 2026 |
|---|
| Aesty | Processes users' photos for the try-on and styling features, according to the privacy policy. | | | C | Aesty Privacy Policy, effective 3 July 2026 |
|---|
| CaptureFlow | Drafts the posts from the user's input, by the founder-written tech stack. | | | C | TrustMRR: CaptureFlow, verified revenue profile |
|---|
| OpenTweet | One of the AI providers the writer can use to draft posts. GPT models | | | C | OpenTweet home page, read 27 October 2026 |
|---|
| ChatPRD | Premium language model offered in the paid plans. GPT-6.1 Sol | | | C | ChatPRD pricing page, read 27 October 2026 |
|---|
| ColorBliss | Generates the coloring pages from prompts and uploaded photos; the founder says he now uses it mostly for image generation. image generation | | | C | ColorBliss privacy policy, last updated 6 January 2026 |
|---|
| Clarity AI | Writes image descriptions and improves prompts, only when a customer uses those endpoints. image description and prompt enhancement | | | C | Clarity AI subprocessors, published 24 September 2026 |
|---|
| Gliglish | Transcribes what the learner says; the founder named Whisper as the speech recognition model behind it. Whisper | | | C | Hacker News, 7 June 2023: Show HN: I built an AI language teacher to get you speaking |
|---|
| Octolens | Scores each collected mention for relevance to the customer's company; the co-founder named it a critical dependency. | | | C | AppSumo: Octolens deal page, with the co-founder's posts of 16 September and 18 October 2024 |
|---|
| Converly | Writes the tutor's replies, corrects the learner and produces the spoken voice, called through the developer's own server. conversation replies, corrections and synthesized speech; model not named | | | C | Converly privacy policy, last updated 9 October 2026 |
|---|
| Econic | One of the two model providers that generate the summaries, narratives, classifications and signals from public macroeconomic data. | | | C | Econic: Términos y Condiciones, last updated 2 May 2026 |
|---|
| BlitzCut AI | One of the outside AI providers behind the app's AI features, according to the privacy policy. model not named | | | C | BlitzCut Privacy Policy, last updated 5 October 2025 |
|---|
| TextWork | One of the language model services that run the texting agent. | | | C | TextWork subprocessors, current as of 21 April 2026 |
|---|
| Inspired.so | Wrote the blog-post and marketing-copy ideas from the founder's prompts. GPT-3 | since 2021 | | C | No-Code Exits newsletter (Joshua Davis), 10 November 2022: How Fernanda built a GPT-3 No-Code App that got acquired |
|---|
| TranslateMom | Advanced model offered on the Plus and Pro plans. GPT-4o | | | C | TranslateMom pricing page, read 27 October 2026 |
|---|