Chess Opening Trainer vs Openings Mastermind
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess Opening Trainer
Learn chess openings with a simplified interface that analyzes millions of games. Moves are scored and ordered by popularity, making study straightforward. Test your knowledge with built-in quizzes.
- Simplified interface
- Move scoring based on popularity
- Analysis of over 2 million games
- Straightforward study approach
- Opening knowledge testing
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Chess opening is very important for a chess game. There are lots of apps to help one study chess openings. But most of them are too complicate. There are way too many numbers associated with a move. Users will easily be overwhelmed and will lose interests in studying too. Chess Opening Trainer tries to provied an easy and simple interface to study openings. It studied over 2 million games and generated one score for each move. All the moves for each situation are ordered by its popularity. The interface is easy and straight forward. Chess Opening Trainer also provides a way for the user to test his opening knowledge.
Openings Mastermind
Master chess openings with this app. Import studies, explore with advanced engines, and practice specific lines through repetition. Track your progress and improve your game.
- Import Lichess Studies or PGNs
- Explore openings with Stockfish 15
- Practice openings by repetition
- Smart practice queue
- Track learning progress
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Get ready to take your chess game to the next level with Openings Mastermind, the ultimate chess opening app! Some of the features include: - Import Lichess Studies or custom PGNs - Explore openings with Stockfish 17 and the Lichess position database - Practice openings by repetition against your own custom openings database - Take advantage of the smart practice queue and improve your learning - Observe your learning progress in different openings With our app, you can take your opening game to the next level by practicing against the specific lines you want to master. Whether you're a beginner or an experienced player, our app is the perfect tool to help you improve your opening moves and become a better chess player. Planned Features: - Continue against engine, after study line ends - Analysis of your games from Lichess and Chess.com compared to your openings database
Screenshots
Verdict
The clearest difference is rating: Openings Mastermind at 4.3 against Chess Opening Trainer's 1.4. Openings Mastermind also leads on review sentiment (50% vs 14%) and ads (none vs shown). Chess Opening Trainer's advantage is iOS requirement (9.0 vs 18.6). On price, ratings volume, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Openings Mastermind holds the better App Store score, 4.3 against 1.4. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 14% of Chess Opening Trainer's written reviews are positive against 50% of Openings Mastermind's.
Chess Opening Trainer ships an update every 4 months, Openings Mastermind fortnightly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.
| Parameter | Chess Opening Trainer | Openings Mastermind |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (7 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 14.3% of reviews | 50.0% of reviews — better |
| Number of ratings | 7 — better | 6 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 33 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Propersh LLC | Christian Heise |
Customer experience
Chess Opening Trainer
Openings Mastermind
In-app purchases
Chess Opening Trainer
No in-app purchases
Openings Mastermind
No in-app purchases
Questions
Is Chess Opening Trainer free?
Is Openings Mastermind free?
Which has better reviews, Chess Opening Trainer or Openings Mastermind?
Do Chess Opening Trainer or Openings Mastermind have ads?
Which is updated more often, Chess Opening Trainer or Openings Mastermind?
Other comparisons
