Checkmate - Chess Engine AI
Logos Labs LLC Reference iPhoneiPadiPod touch
Checkmate - Chess Engine AI is a free Reference app for iPhone and iPad by Logos Labs LLC. Rated 4.6/5 from 25 ratings. Requires iOS 18.0.
- Rating
- 4.6
- 25 ratings
- Price
- Free
- on the App Store
- Size
- 99 MB
- Age 4+
- Updated
- Jan 1
- 2026 · v1.4.2
Screenshots
About Checkmate - Chess Engine AI
With 9,000,000+ possible chess moves, 99% recognition accuracy, AI-powered analysis, Checkmate AI is a powerful companion for chess enthusiasts. Whether you’re decoding a tricky middlegame, checking a puzzle, or reviewing an OTB position, Checkmate AI makes it fast, easy, and fun to find better moves. Key Features: AI-Powered Board Recognition • Instantly reconstruct a position from a quick scan or screenshot. • Optimized for online chessboards. • Designed for high accuracy when all 64 squares are visible. Comprehensive Position Tools • See the best move, evaluation, and recommended line powered by Stockfish 17.1. • Edit the position in seconds: flip/rotate, set side to move, adjust position, add/remove pieces. • Open the interactive analysis board with one tap. Fast, Private, and Offline • Scanning and analysis run on-device—no account required. • Works offline after installation, your own personal chess engine. • Clean, focused design with zero ads. Why Choose Checkmate AI? • Lightning-fast scan → instant engine insights. • Extensive database using the latest neural networks. • All-in-one solution for scanning, analyzing, and learning strategy. A Checkmate Subscription is required to use and enjoy full access to features and content. If you choose a Checkmate subscription, payment will be charged to your iTunes Account at confirmation of purchase. Please note that terms and conditions, as well as our privacy policy, apply. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.logoslabs.co/checkmate-privacy-policy Contact Us: [email protected]
Ratings & reviews
4.6
25 ratings
What’s new
Version 1.4.2 · Updated January 1, 2026
We've made some behind-the-scenes improvements to keep your experience smooth: • General bug fixes and performance enhancements. • Improved chess scanner accuracy.
Play today's Threadline puzzle
Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, Logos Labs LLC, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
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:
- Purchases: Purchase History
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Sensitive Info: Sensitive Info
- User Content: Photos or Videos, Customer Support
- Surroundings: Environment Scanning
Used for: Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Checkmate - Chess Engine AI | 4.6 / 5 (25 ratings) | Free | January 1, 2026 | |
| ChessThink: Chess Analysis | 4.3 / 5 (4) | Free | Oct 9, 2026 | Compare |
| Chess: Learn & Play Puzzles | 4.9 / 5 (21) | Free | Oct 19, 2026 | Compare |
| ChessLine | 4.4 / 5 (8) | Free | Oct 8, 2026 | Compare |
| ChessFlare : Learn Chess | 4.7 / 5 (3) | Free | Oct 22, 2026 | Compare |
| Chessbook - Master openings | 4.9 / 5 (2,145) | Free | Oct 21, 2026 | Compare |
| Aimchess - Learn Chess Online | 3.9 / 5 (196) | Free | Jun 28, 2024 | Compare |