Chess Pro Trainer™ vs Chaal
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess Pro Trainer™
This app enhances tactical vision and calculation in chess through realistic in-game simulations. It teaches players when to look for tactics, not just how to solve them, with an advanced move evaluation system and diverse training modules.
- Realistic in-game tactical simulation
- Alternate Acceptable Move system
- 7 core training modules
- Opening preparation by rating range
- Stockfish-powered analysis board
- Global leaderboards
- Detailed statistics tracking
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Are you able to solve chess puzzles but struggle to find those same tactics in your own games? Or are you simply looking to improve your tactical awareness and opening knowledge? Then Chess Pro Trainer is for you. Chess Pro Trainer is unlike any chess training app available today. It is designed to improve your tactical vision, calculation, pattern recognition, opening preparation, and overall chess strength through realistic in-game simulation training. Most puzzle apps teach you HOW to solve tactics. Chess Pro Trainer teaches you HOW and WHEN to look for them. In traditional puzzle apps, you know a tactic exists before you make your first move. In real games, nobody tells you a tactic is there. Chess Pro Trainer recreates that experience by presenting positions from real games where tactical opportunities may appear immediately or several moves later. This creates a realistic training environment that directly improves practical over-the-board and online play. The app also features an advanced Alternate Acceptable Move system. Rather than simply marking moves right or wrong, users can earn credit for finding Valid, Equal, or even Better moves than those played in the original game. This rewards creativity, strong decision-making, and deeper calculation. 7 CORE TRAINING MODULES • Tactics Recognition Training Train both tactical awareness and tactical calculation through a unique two-phase training system. • Genius Training Develop attacking instincts through aggressive sacrifice positions and high-level tactical play. • Checks Training Master the ability to identify every possible check in a position. • Coordinated Squares Training Learn to recognize key action squares that often serve as the foundation of powerful tactics. • Unprotected Pieces Training Develop the ability to identify vulnerable pieces using a deeper definition of what "unprotected" truly means. • Mate Puzzles Training Sharpen your checkmate vision with puzzles from Mate in 1 through Mate in 8. Visualization Mode freezes the board so you must calculate the entire mating sequence in your head, and Multi-Checkmate Mode challenges you to find every mating solution in a position. • Openings Training (NEW!) Learn openings the way a coach teaches them. Lines are built for 4 rating ranges (0-799, 800-1399, 1400-1999, 2000+) based on what players at your level actually play. Study each line with coach comments, arrows, and highlighted squares, then train it from memory while the app plays your opponent's replies. Includes Only Move alerts, hints, random or in-order training, and Train All Subcategories to mix every line of an opening into one session. ADDITIONAL FEATURES • Stockfish-powered Analysis Board • Global Leaderboards • Detailed Statistics Tracking • Multiple Difficulty Levels • Board Themes and Sound Customization • Learning Coordinates Module • Random Position Generator • Regular Content Updates Whether you are a beginner or an advanced player, Chess Pro Trainer provides a focused and efficient way to improve your chess skills through realistic training. This is not just another puzzle app. This is a complete chess training system. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Chaal
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Chaal is a chess position analyzer for screenshots, photos, and printed chess diagrams. Import a board without rebuilding it by hand, then get the best move, alternatives, evaluation, winning chances, and a clear explanation. Import a position by: - Taking a photo - Choosing or pasting an image - Sharing an image from another app - Entering FEN or PGN - Pasting a board image link Recognition runs on your device and works with different board and piece styles. Recognition is in beta. If Chaal is unsure about a square, you confirm the piece before analysis instead of letting the app guess. How it works 1. Import a position from a screenshot, app, or chess book. 2. Confirm the board and choose the side to move. 3. Review the best move, alternatives, evaluation, winning chances, and explanation. Chaal saves every result automatically. Search previous analyses, see opening names when available, and share your analysis with others. Chaal Pro includes unlimited analyses, Deep analysis, and Continue the Line. Your image stays on your device. Chaal sends the confirmed chess position, not the image, for remote analysis. Built for chess study and post-game review. Do not use engine assistance during live or rated games. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacy-dxb.pages.dev/privacy
Screenshots
Verdict
Chess Pro Trainer™ and Chaal are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Chess Pro Trainer™ sells 5 in-app purchases, starting at $2.99 per month and Chaal sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Chess Pro Trainer™ ships an update every 3 days, Chaal every 5 days. Both last shipped on November 13, 2026.
| Parameter | Chess Pro Trainer™ | Chaal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (15 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 16 — better | 17.0 |
| Further details — not scored | ||
| Size | 474 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Chess With Coach Mark, LLC. | Hisa Hashisaka |
In-app purchases
Chess Pro Trainer™
- Pro Monthly$2.991 Month
- Pro Annual$29.991 Year
- Pro Lifetime1$99.99
- Pro Lifetime 2 Licenses$149.99
- Pro Lifetime4$199.99
Chaal
- Chaal Pro$2.991 Month








