Supported Features
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VoiceOver
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Dark Interface
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Differentiate Without Color Alone
Aha! – Cards & AI
Big Ideas in Your Pocket
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
We read books, highlight ideas, and take notes—yet when it’s time to decide, we forget them all.
Masters and experts don’t just read; they collect frameworks and insights they can actually use.
Aha! helps you do the same.
It transforms powerful mental models into swipeable cards you can revisit anytime, anywhere. With AI-powered recommendations and custom playbooks, you’ll always have the right strategy at your fingertips.
◆ Why Aha! is Different
100+ Proven Frameworks: Business strategy, marketing, pricing, leadership & more
AI Strategy Advisor: Ask questions, create custom cards, and get personalized advice
Playbook Builder: Combine models and actions into decks tailored to your goals
Instant Strategy Finder: AI-powered search across hundreds of models
Beautiful Design: Crafted in SwiftUI with smooth, elegant animations
◆ Key Features
Curated playbooks from entrepreneurs & top thinkers
Unlimited custom decks and cards (Premium)
Daily card draws to build lasting habits
Voice guide for learning on the go
Offline access & easy sharing
◆ Perfect For
Entrepreneurs making tough business calls
Students mastering problem-solving frameworks
Professionals sharpening judgment & strategy
Anyone who wants to think more clearly, every day
Don’t just read knowledge. Master it.
Download Aha! and turn forgotten insights into lasting expertise.
Terms of Use (EULA): https://aha.ymin.dev/terms
Privacy Policy: https://aha.ymin.dev/privacy
Ratings & Reviews
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The developer, YOU-MING YEH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Other Data
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- YOU-MING YEH
- Size
- 15.6 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Korean, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Aha Premium Monthly $5.99
- Aha Premium Yearly $39.99
- Copyright
- © 2025 YOU-MING YEH