Skillbook
yoongun lee Productivity iPhoneiPadiPod touch
Skillbook is a free Productivity app for iPhone and iPad by yoongun lee. Requires iOS 13.0. Updated December 8, 2025.
- Price
- Free
- on the App Store
- Size
- 40 MB
- Age 9+
- Updated
- Dec 8
- 2025 · v1.1.0
Screenshots
About Skillbook
SkillBook: The Most Systematic Way to Track Your Skill Growth SkillBook is an application designed to help you systematically learn and track your progress in various fields such as sports, music, and academics. Earn XP and level up just like in an RPG, and continuously improve through structured retrospectives. Key Features XP-Based Growth System Earn XP based on practice duration, success counts, and accuracy to level up. We provide a clear growth path for every skill, from beginner to expert. Systematic Skill Management Select and practice skills that match your level from a library structured by difficulty. Our recommendation system suggests prerequisite skills to guide you through an efficient learning path. Detailed Practice Logs Track practice time and success/failure ratios. What went well Points for improvement Feeling of success (Emotional feedback) Next goals Write insightful retrospectives using these structured notes.
What’s new
Version 1.1.0 · Updated December 8, 2025
What's New: • UI updated for better experience. • You can now create custom skills using AI. • Earn AI tokens through daily check-ins and ads to generate new skills.
App privacy
The developer, yoongun lee, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
Used for: App Functionality