# Chess Mega Bundle vs Openings Mastermind

The clearest difference is in-app purchases: Openings Mastermind at none against Chess Mega Bundle's 1. Openings Mastermind also leads on ads (none vs shown) and update cadence (fortnightly vs every 7 months). Chess Mega Bundle's advantage is rating (4.6 vs 4.3) and ratings volume (125 vs 6). On price, review sentiment and device support there is nothing between them.

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

Chess Mega Bundle holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Chess Mega Bundle has 125 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Chess Mega Bundle ships an update every 7 months, Openings Mastermind fortnightly. The most recent releases landed on September 27, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Chess Mega Bundle | Openings Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (125 ratings)](https://appshunter.io/ios/app/chess-mega-bundle/id1528161084/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/openings-mastermind/id6448386251/reviews) |
| Number of ratings | **125** | 6 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 88 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GammaLateral LLC](https://appshunter.io/developer/685178329) | [Christian Heise](https://appshunter.io/developer/1632898424) |

## What reviewers say

### Chess Mega Bundle

[App page](https://appshunter.io/ios/app/chess-mega-bundle/id1528161084)

Explore hundreds of unique chess variants. Challenge friends or AI opponents locally or online. Discover new ways to play the classic game.

**Highlights:** Hundreds of unique chess variants, Local multiplayer, Online multiplayer, Play against AI

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | 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 Chess Mega Bundle free?

Chess Mega Bundle 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, Chess Mega Bundle or Openings Mastermind?

Chess Mega Bundle is rated higher. Chess Mega Bundle averages 4.6 out of 5 from 125 ratings, while Openings Mastermind averages 4.3 from 6 ratings.

### Do Chess Mega Bundle or Openings Mastermind have ads?

Chess Mega Bundle shows ads; Openings Mastermind does not.

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

Chess Mega Bundle ships an update every 7 months, and Openings Mastermind fortnightly. Most recently, Chess Mega Bundle was updated on September 27, 2026 and Openings Mastermind on September 19, 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.*