Chess Codex
20000+ offline chess puzzles
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Chess Codex is a calm, beautiful place to get sharper at chess.
20000+ hand graded puzzles take you from your very first checkmate to
tactics that will test a club player. Every puzzle is a real position
with one best move to find. Spot the fork, land the pin, set up the mate.
Play offline, anywhere. No account, no sign up, no clutter.
Chess Codex is part of Penrose Park Puzzles, a family of premium puzzle
games.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Fixed an issue where wrong move explanations were loading too long. Also, general performance enhancements.
The developer, Vince Lubbers, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Vince Lubbers
- Size
- 37.7 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- This app has an age rating of 4+ with content restrictions.
Some content may be rated higher, and may therefore be restricted and managed by the developer through in-app controls. - In-App Controls
Age Assurance
Contains
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- Copyright
- © 2026 Penrose Park Puzzles