# Openings Mastermind vs Logic Chess

The clearest difference is ads: Openings Mastermind at none against Logic Chess's shown. Openings Mastermind also leads on iOS requirement (18.6 vs 26.5). Logic Chess's advantage is update cadence (every 5 days vs fortnightly). On price, in-app purchases and device support 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, Logic Chess every 5 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Openings Mastermind | Logic Chess |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 88 MB | 38 MB |
| Requires iOS | **18.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Christian Heise](https://appshunter.io/developer/1632898424) | [Alfred Kan](https://appshunter.io/developer/6790431214) |

## 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


### Logic Chess

[App page](https://appshunter.io/ios/app/logic-chess-deduction-puzzle/id6790814180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Openings Mastermind free?

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

### Is Logic Chess free?

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

### Do Openings Mastermind or Logic Chess have ads?

Logic Chess shows ads; Openings Mastermind does not.

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

Openings Mastermind ships an update fortnightly, and Logic Chess every 5 days. Most recently, Openings Mastermind was updated on October 7, 2026 and Logic Chess on October 10, 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.*