# King Chess 2700 plus vs Openings Mastermind

The clearest difference is review sentiment: Openings Mastermind at 50% against King Chess 2700 plus's 0%. Openings Mastermind also leads on ads (none vs shown) and update cadence (fortnightly vs every 54 months). King Chess 2700 plus's advantage is iOS requirement (15.6 vs 18.6). 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.

King Chess 2700 plus ships an update every 54 months, Openings Mastermind fortnightly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | King Chess 2700 plus | Openings Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/openings-mastermind/id6448386251/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 54 months | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 24 MB | 88 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hoan Ngo](https://appshunter.io/developer/1002940962) | [Christian Heise](https://appshunter.io/developer/1632898424) |

## What reviewers say

### King Chess 2700 plus

[App page](https://appshunter.io/ios/app/king-chess-2700-plus/id1186213128)

Learn and improve your chess skills with this game. Play against friends or a challenging AI with configurable difficulty and various play styles. Save and load games, and utilize an undo function.

**Highlights:** 1 and 2 player gameplay, Challenging computer opponent, Configurable AI difficulty, Multiple play styles, Board rotation, Save and load games, Undo function

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is King Chess 2700 plus free?

King Chess 2700 plus is free to download, with no in-app purchases.

### Is Openings Mastermind free?

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

### Do King Chess 2700 plus or Openings Mastermind have ads?

King Chess 2700 plus shows ads; Openings Mastermind does not.

### Which is updated more often, King Chess 2700 plus or Openings Mastermind?

King Chess 2700 plus ships an update every 54 months, and Openings Mastermind fortnightly. Most recently, King Chess 2700 plus was updated on October 6, 2026 and Openings Mastermind on October 24, 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.*