AF:Note Cards
Data-Driven Learning System
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Evidence-based flashcard learning system with data-driven progress tracking for maximum retention.
Note Cards is a professional flashcard learning tool built on the principle of Active Recall from cognitive science.
Master Active Recall. Note Cards transforms scientific learning into a seamless, offline iOS experience. No distractions, just pure focus.
Core Features and Technical Implementation:
· Active Recall Training — The flip-to-reveal interaction pattern forces your brain to actively retrieve memories, proven to be over fifty percent more effective than passive reading.
· Quantified Learning Analytics — Each card independently tracks correct and incorrect attempts with automatic deck-wide accuracy calculation, enabling data-driven learning decisions.
· Randomized Spaced Review — Cards are shuffled each session, combined with accuracy data to identify weak areas, delivering efficient spaced repetition effects.
· Session-Level Performance Metrics — Real-time tracking of accuracy and error rates per study session, quantifying your learning return on investment.
· Localized Data Security — Local persistent storage via UserDefaults, zero network dependency, ensuring complete privacy of your learning data.
Ideal For:
- Language Learners: systematic vocabulary and grammar acquisition
- Students: efficient review of key concepts and formulas
- Professionals: continuously updated industry knowledge and terminology
Technical Architecture: Native SwiftUI development, iOS 17 plus support, Swift 5.9, purely local operation, zero third-party dependencies.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, 晓 郭, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 400.4 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 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
- Age Rating
9+
- 9+
- Provider
Xiao Guo
- Xiao Guo has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © 2026 Xiadu