# Openings Mastermind vs Chess Tactics Trainer

The clearest difference is iOS requirement: Chess Tactics Trainer at 15.0 against Openings Mastermind's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Openings Mastermind ships an update fortnightly, Chess Tactics Trainer every 3 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Openings Mastermind | Chess Tactics Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/openings-mastermind/id6448386251/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 88 MB | 100 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Heise](https://appshunter.io/developer/1632898424) | [Elisabeth Zuyeva](https://appshunter.io/developer/6806303315) |

## What reviewers say

### Openings Mastermind

[App page](https://appshunter.io/ios/app/openings-mastermind/id6448386251)

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.

**Highlights:** Import Lichess Studies or PGNs, Explore openings with Stockfish 15, Practice openings by repetition, Smart practice queue, Track learning progress

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Tactics Trainer

[App page](https://appshunter.io/ios/app/chess-tactics-trainer/id6806303313)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Openings Mastermind free?

Openings Mastermind is free to download, with no in-app purchases.

### Is Chess Tactics Trainer free?

Chess Tactics Trainer is free to download, with no in-app purchases.

### Do Openings Mastermind or Chess Tactics Trainer have ads?

Neither Openings Mastermind nor Chess Tactics Trainer shows ads.

### Which is updated more often, Openings Mastermind or Chess Tactics Trainer?

Openings Mastermind ships an update fortnightly, and Chess Tactics Trainer every 3 weeks. Most recently, Openings Mastermind was updated on October 7, 2026 and Chess Tactics Trainer on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*