# Lazy Chess vs Openings Mastermind

The clearest difference is in-app purchases: Openings Mastermind at none against Lazy Chess's 1. Openings Mastermind also leads on ads (none vs shown). Lazy Chess's advantage is ratings volume (67 vs 6) and iOS requirement (11.0 vs 18.6). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for Lazy Chess against 4.3 for Openings Mastermind. That said, the two scores are not equally well evidenced: Lazy Chess has 67 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 56% of Lazy Chess's written reviews are positive against 50% of Openings Mastermind's.

Lazy Chess ships an update every 3 weeks, Openings Mastermind fortnightly. Both last shipped on September 19, 2026.

## The numbers

| Metric | Lazy Chess | Openings Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (67 ratings)](https://appshunter.io/ios/app/lazy-chess/id1537358433/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/openings-mastermind/id6448386251/reviews) |
| Number of ratings | **67** | 6 |
| Positive reviews | **55.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 88 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cinq-Mars Media](https://appshunter.io/developer/924648806) | [Christian Heise](https://appshunter.io/developer/1632898424) |

## What reviewers say

### Lazy Chess

[App page](https://appshunter.io/ios/app/lazy-chess/id1537358433)

This chess game offers a unique twist by presenting players with only two AI-selected moves to choose from each turn. It's designed for both casual players and enthusiasts, making chess more accessible and fun. Compete against AI or friends, unlock new themes, and improve your skills through unique scenarios.

**Highlights:** Choose from two AI-selected moves, Compete against AI or online friends, Unlock new themes and settings, Play unique chess scenarios, Leaderboard rankings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free + Full Game | $2.99 | one-time |


### 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 Lazy Chess free?

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

### Is Openings Mastermind free?

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

### Which has better reviews, Lazy Chess or Openings Mastermind?

Lazy Chess is rated higher. Lazy Chess averages 4.4 out of 5 from 67 ratings, while Openings Mastermind averages 4.3 from 6 ratings.

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

Lazy Chess shows ads; Openings Mastermind does not.

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

Lazy Chess ships an update every 3 weeks, and Openings Mastermind fortnightly. Most recently, Lazy Chess was updated on September 19, 2026 and Openings Mastermind on September 19, 2026.

---

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