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Keet is a Summer 2024 Y Combinator company that turns a topic into a structured learning course on iPhone. According to the company and App Store listing, the app generates personalized courses with short videos, quizzes, and games, with the goal of helping people learn over time instead of in one sitting. The product is positioned as “Learn anything,” with examples spanning subjects like topology, history, engineering, and physics. (ycombinator.com; apps.apple.com)
The app is aimed at curious learners who want a guided path rather than a blank search box. Keet says users can explore a niche within a topic they already know or start something new, and the App Store describes courses as having a roadmap so each activity contributes to the learning goal. The company also says courses can be customized for depth, complexity, and narration style, which suggests the app is meant to adapt to different levels and interests. (trykeet.com; apps.apple.com)
Keet’s core workflow is simple: tell the app what you are interested in, and it builds a course with lessons that include short videos and games. The website says lessons contain videos and quizzes, and that games can take forms such as multiple choice, swipe, order, connections, and custom activities. The same page also says courses follow structured roadmaps and break learning into bite-sized chunks. (trykeet.com; apps.apple.com)
Getting started requires downloading the iPhone app and creating an account. The App Store listing says Keet is only for iPhone, requires iOS 17.0 or later, and is in the Education category. It is free to download with in-app purchases; the website says new users get two free courses and then need to buy credits to generate more courses. Apple also lists a monthly plan and an annual plan, but the company page is the clearest source for the two free-course limit. (trykeet.com; apps.apple.com)
There are a few practical limits to keep in mind. The App Store says the app may collect contact info, location, identifiers, usage data, contacts, and related diagnostics, and Apple notes that the developer has not yet indicated accessibility features. For now, Keet looks best for iPhone users who want an AI-generated study path with built-in practice, and who are comfortable with its credit-based model after the initial free courses. (apps.apple.com)
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Keet website · Keet: Learn Anything for iPhone · YC company profile
Product information checked October 24, 2026. Availability and requirements can change. The social preview is rendered from the app icon or captures the official app or website.