Chess2PGN vs ChessFlex
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess2PGN
Instantly convert handwritten chess scoresheets into digital PGN files by simply taking a photo. Analyze games, discover tactics, and track your progress with this easy-to-use tool.
- Scan scoresheet to PGN
- Auto-convert to PGN
- Smart move correction
- Engine analysis with tips
- Save and organize games
- Share PGN files
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Chess2PGN helps players, parents, and coaches instantly convert handwritten chess scoresheets into clean, digital PGN files. Simply snap a photo and the app reconstructs the full game—no more struggling to read messy notation or replay moves by hand. Review your game with built-in analysis, discover mistakes and tactics, and get helpful coaching insights. Every game is saved in your personal library so you can track progress over time. Whether you’re a tournament player or a chess parent, Chess2PGN makes studying games fast, easy, and accurate. Features: • Scan a scoresheet and auto-convert to PGN • Game reconstruction with smart move correction • Engine analysis with tips and key moments • Save and organize your games in one place • Share PGN with coaches and friends • Works for kids, scholastic tournaments, and adults
ChessFlex
Play chess with friends or AI opponents without accounts or chat. Features a FIDE-formula rating system and customizable game paces. Offers optional in-app analysis and practice tools.
- Play with friends via QR code or in person
- Human-like AI bots with adjustable ELO
- FIDE-formula rating updates
- Asynchronous or timed game modes
- No chat or global matchmaking
- Optional game analysis and practice tools
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ChessFlex is chess stripped back to the game. No accounts, no servers, no chat — just the board, the friends you choose, and a real rating that's yours. PLAY YOUR CIRCLE Connect by trading a QR code, in person or over iMessage. No global matchmaking, no strangers, no friend requests. The people across the board are people you picked. HUMANS — OR HUMAN-LIKE BOTS Five built-in bots from 400 to 2000 ELO play like real people at that level: they make human mistakes, not random ones. A real game and a real rating from your very first move. And when you've beaten them all, there's King — our own engine at full strength, and not human-like at all. FIDE-FORMULA RATING Every game updates your rating with the standard FIDE formula. It's your history, not your ceiling — anyone can challenge anyone, and a 1200 taking on a 2000 is courage, not a mistake. PLAY AT YOUR PACE Async by default — make a move, put your phone away, pick it up hours later. Or set a clock: Blitz, Rapid, Classical, or multi-day correspondence. THE BOARD IS THE CONVERSATION There's no chat box, ever. Players speak only in standard chess annotation symbols — !! for a brilliant move, ? for a mistake. Nothing personal can be exchanged, so there's nothing to moderate, and it's cross-language by default. PRIVATE BY DESIGN No email, no sign-up, no tracking, no ads. Your identity is your device; your games live on your device and travel only between you and your opponent. CHESSFLEX STUDY (optional) A one-time unlock that turns every game into a lesson: move-by-move analysis, win-chance insight in plain language, guided openings, and practice positions. Scan a chess diagram from a screenshot and play it out, or have the coach read its suggested line aloud. Playing, ratings, and opening names stay free, always. From Labham LLC. A sibling to LexFlex.
Screenshots
Verdict
The clearest difference is rating: ChessFlex at 5.0 against Chess2PGN's 1.0. Chess2PGN's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 17.6). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ChessFlex sells 2 one-off in-app purchases. Chess2PGN asks for nothing beyond the download.
ChessFlex holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | Chess2PGN | ChessFlex |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 37 MB | 29 MB |
| Age rating | 9+ | 4+ |
| Developer | Triet Nguyen | Labham LLC |
In-app purchases
Chess2PGN
No in-app purchases
ChessFlex
- 14-day TrialFree
- ChessFlex Study$19.99









