# KnightVision - Chess — Chess Scanner & Analyzer > Chess companion for over-the-board players: AR scanning, scoresheet OCR, game analysis. (iPhone/iPad app by Abraham Obubo.) - Source: https://appshunter.io/ios/app/knightvision-chess/id6758964678 (this page in markdown: same URL + `.md`) - Developer: [Abraham Obubo](https://appshunter.io/developer/1870492213) - Category: Games, Entertainment, Board, Puzzle - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 124 MB - Languages: English - Released: 2026-03-28 - Data updated: 2026-07-22 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/knightvision-chess/id6758964678/reviews.md ## What is KnightVision? KnightVision Your all-in-one chess companion for over-the-board players. Scan chessboards with AR, digitize tournament scoresheets, import your online games, and analyze every move with Stockfish — all in one app. SCAN YOUR BOARD WITH AR Point your camera at any real chessboard and KnightVision uses ARKit and machine learning to detect every piece on the board. Save positions, add notes, and pick up where you left off. DIGITIZE TOURNAMENT SCORESHEETS Snap a photo of your handwritten scoresheet and let our OCR pipeline extract every move. Review, correct, and save the full game — no more manual PGN entry after a long tournament day. RECORD GAMES LIVE Use the interactive board to record your over-the-board games move by move as they happen. Drag and drop pieces with full move validation, then save the PGN instantly. DEEP GAME ANALYSIS Review any game with Stockfish engine analysis. Every move is classified — Brilliant, Great, Best, Good, Inaccuracy, Mistake, or Blunder — with accuracy scores for both players and a visual evaluation graph across the entire game. IMPORT FROM CHESS.COM & LICHESS Link your Chess.com and Lichess accounts to automatically import your game history. Filter and browse your full archive by platform, date, opening, and result. TACTICAL PUZZLES Sharpen your skills with rated puzzles matched to your level using the Glicko-2 rating system, or choose from custom themes and difficulty ranges. TRACK YOUR RATINGS Connect your USCF and FIDE IDs to track your official ratings alongside your online ratings — all in one profile. CUSTOMIZE YOUR EXPERIENCE Choose from multiple board themes and piece styles to make the app feel like home. SUBSCRIPTION PLANS KnightVision is free to use with generous limits. Upgrade for more: Pawn (Free) - 5 board scans/month - 5 scoresheet scans/month - 5 puzzles/day - 3 game reviews/month Knight — $4.99/month or $34.99/year - 30 board scans/month - 30 scoresheet scans/month - 20 puzzles/day - 15 game reviews/month King — $12.99/month or $99.99/year - Unlimited board scans - Unlimited scoresheet scans - Unlimited puzzles - Unlimited game reviews Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Your Apple ID account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your Account Settings on the App Store after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.knightvision.app/privacy ## Key features - AR board scanning - Scoresheet OCR - Live game recording - Stockfish engine analysis - Chess.com & Lichess import - Tactical puzzles - Rating tracking ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Knight Monthly | $4.99 | per month | | Knight Yearly | $34.99 | per year | | King Monthly | $12.99 | per month | | King Yearly | $99.99 | per year | ## Frequently asked questions about KnightVision ### What is KnightVision? KnightVision is a chess companion app designed for over-the-board players. It offers features like AR board scanning, scoresheet digitization, live game recording, and deep game analysis with the Stockfish engine. ### Does KnightVision have ads? No, KnightVision does not contain advertisements. The app is free to use with generous limits, and offers optional subscription plans for enhanced features. ### How does KnightVision scan a chessboard? KnightVision uses ARKit and machine learning to detect pieces on a physical chessboard when you point your camera at it. You can then save positions, add notes, and resume play later. ### Can KnightVision digitize handwritten chess scoresheets? Yes, KnightVision features an OCR pipeline that extracts every move from a photo of your handwritten scoresheet. You can then review, correct, and save the full game. ### What are the subscription options for KnightVision? KnightVision offers three subscription tiers: Pawn (free) with limited features, Knight ($4.99/month or $34.99/year) with increased limits, and King ($12.99/month or $99.99/year) with unlimited access to scans, puzzles, and reviews. ### How is game analysis provided in KnightVision? KnightVision provides deep game analysis using the Stockfish engine. Each move is classified (Brilliant, Mistake, Blunder, etc.) with accuracy scores and a visual evaluation graph for the entire game. ### Can I import my online chess games into KnightVision? Yes, you can link your Chess.com and Lichess accounts to automatically import your game history. You can then filter and browse your archive by platform, date, opening, and result. ### What is the age rating for KnightVision? KnightVision has an age rating of 4+. It is available on iPhone and iPad devices. ## Version history (last 4 releases) ### 1.4 — 2026-06-25 This build focuses on steadier board scanning and a smoother first run: • Steadier board detection — the grid now holds its lock through endgames and sparse positions instead of drifting. • Clearer spoken moves — announced moves now pronounce the square names correctly. • Bug Fixes — resolved a crash when opening the position editor, plus other stability improvements. ### 1.2 — 2026-04-21 NEW — Live Game Tracking Tap "Track Live Game" after capturing the starting position to auto-record your game as you play. Moves appear in the move list within ~1–2 seconds. Supports captures, castling, promotions, en passant, and rapid exchanges where several half-moves happen between detections. NEW — ARKit board lock The scanner now auto-locks onto the physical board once it's stable, using ARKit world anchors. The grid overlay stays pinned to the real board even as you tilt or move your phone — no continuous grid scanning after lock. A padlock button (top-right of the scanner) lets you manually unlock to re-scan. Auto-relock kicks in if the grid drifts off the board. NEW — Live piece bounding-box overlay See exactly what the classifier detects, color-coded by piece type, directly on the viewfinder. ### 1.1 — 2026-03-29 What's New in Version 1.1 - Board scanner performance: 96% less memory usage for piece detection — no more crashes on older devices - Scan from photo library: detect positions from saved photos instead of the live camera - Tournament chess clock: real-time clock with increment support, synced between both players' devices - Elimination brackets: visual bracket view for single and double elimination tournaments - Time control presets: Bullet, Blitz, Rapid, and Classical with structured base time and increment - Match lifecycle: start match, accept, press clock, resign, offer draw, and flag on time - Bug fixes: improved authentication, participant name resolution, and tournament management on iOS ### 1.0 — 2026-03-28 No release notes. ## More apps by Abraham Obubo - [Sudoku - Classic Numbers Game](https://appshunter.io/ios/app/sudoku-classic-numbers-game/id6758037935) All apps by Abraham Obubo: https://appshunter.io/developer/1870492213 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-22.*