OpenChess vs CPChess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
OpenChess
Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.
- Learn specific chess openings
- Play against AI focused on opening lines
- Analyze positional advantages
- Evaluate piece values and mobility
- Understand pawn structure
- Track defended and attacked pieces
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Learn chess openings with OpenChess: An Opening Explorer. Play against the computer, or play as both sides, and be shown the lines that are within any opening that you are interested in learning. Want to learn the Sicilian Defense or the Queen’s Gambit? Choose that category and play against that a computer that only follows lines within that opening category. Wany to focus on learning all of the openings that start with a specific move, such as pawn to “e4”? This category can also be selected, and you can play against a computer that only plays lines that start with “e4”. The chess engine in this app is not Stockfish, and it does not look very far ahead. It is meant to provide a decent base evaluation and allow the majority of the reason behind the evaluation of the current position to be shown to the user. The following information can be shown to the user: • Positional advantages for each piece type (pawn, knight, bishop, rook, queen and king) • Piece value advantages for each color • Mobility scores for each piece where mobility plays a big role (bishop, rook, queen, king) • Pawn advantages and disadvantages (passed pawns, isolated pawns, backwards pawns, doubled pawns) • Total value of pieces attacked by each color as well as total value of pieces defended by each color A lot of chess games are won and lost within the opening moves, this app was designed to help players learn solid openings that either help them gain a winning advantage out of the opening, or at the very least help them not lose due to the opening moves played. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CPChess
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CPChess is where strategy meets competition. Play exciting chess games against real opponents, sharpen your skills, and enjoy a rewarding chess experience built for both beginners and experienced players. Whether you are learning the basics or already confident with your openings, tactics, and endgames, CPChess gives you a simple and engaging way to play anytime, anywhere. Why players choose CPChess: • Play chess games on mobile with a smooth and easy-to-use experience • Challenge real players and enjoy competitive gameplay • Create tournaments and challenges • Invite friends and compete with them • Improve your decision-making, tactics, and chess thinking • Earn points through gameplay and progress • Explore learning content to improve your chess skills • Watch live games and follow competitive play • Fast, simple, and enjoyable gameplay experience CPChess includes optional in-app purchases for additional content and features, including coins, premium learning courses, and live game viewing access. CPChess is built to make chess more fun, more competitive, and more rewarding. If you enjoy classic strategy games, head-to-head competition, and the thrill of winning, CPChess is made for you. Download CPChess today and start playing.
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Verdict
The clearest difference is iOS requirement: OpenChess at 12.0 against CPChess's 15.0. On price, update cadence, ads and in-app purchases 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. OpenChess sells 10 one-off in-app purchases and CPChess sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
OpenChess ships an update fortnightly, CPChess every 2 weeks. Both last shipped on October 15, 2026.
| Parameter | OpenChess | CPChess |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 57 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | David Bryant | CPChess, Inc. |
In-app purchases
OpenChess
- Tarrasch Defense Opening$0.99
- Trompowsky Attack Opening$0.99
- Scandinavian Defense Opening$0.99
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- Three Knights Opening$0.99
- Zukertort Opening$0.99
- Van't Kruijs Opening$0.99
- Vienna Game Opening$0.99
- Ware Opening$0.99
- Opening Explorer$4.99
- OpenChess Premium$19.99
CPChess
- 50 Coins$1.99
- 200 Coins$4.99
- 500 Coins$8.99
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- Strategic Depth Course$12.99
- Grandmaster Concepts$12.99
- Live Games Pass$49.99









