# Openings Mastermind vs Chessish

The clearest difference is in-app purchases: Openings Mastermind at none against Chessish's 1. Openings Mastermind also leads on ads (none vs shown). Chessish's advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (15.1 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Chessish sells 1 one-off in-app purchase. Openings Mastermind asks for nothing beyond the download.

Openings Mastermind ships an update fortnightly, Chessish every 5 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Openings Mastermind | Chessish |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 88 MB | 120 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Heise](https://appshunter.io/developer/1632898424) | [Betareader Sweden AB](https://appshunter.io/developer/1436611669) |

## 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


### Chessish

[App page](https://appshunter.io/ios/app/chessish/id6755342220)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ta bort annonser | $4.99 | one-time |


## Frequently asked questions

### Is Openings Mastermind free?

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

### Is Chessish free?

Chessish is free to download, with in-app purchases available.

### Do Openings Mastermind or Chessish have ads?

Chessish shows ads; Openings Mastermind does not.

### Which is updated more often, Openings Mastermind or Chessish?

Openings Mastermind ships an update fortnightly, and Chessish every 5 days. Most recently, Openings Mastermind was updated on October 7, 2026 and Chessish on October 3, 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.*