# Chess vs Blitz Keys

The clearest difference is in-app purchases: Blitz Keys at none against Chess's 2. Chess's advantage is chart position (#154 vs unranked) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Chess costs $3.99 and Blitz Keys $3.99 up front. Chess sells 2 in-app purchases, starting at $0.99 per month. Blitz Keys asks for nothing beyond the download.

## The numbers

| Metric | Chess | Blitz Keys |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | **[4.7 (117 ratings)](https://appshunter.io/ios/app/chess-studio/id684224545/reviews)** | — |
| Number of ratings | **117** | — |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#154** | — |
| Size | 237 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Giordano Vicoli](https://appshunter.io/developer/460922805) | [GEORGE TOHME](https://appshunter.io/developer/1801086895) |

## What reviewers say

### Chess

[App page](https://appshunter.io/ios/app/chess-studio/id684224545)

**Currently charting:** #154 Top Paid · Board (US App Store)

Manage and study chess databases and games in PGN format with advanced analysis tools. Supports game creation, modification, and import from various sources. Includes engine analysis, opening book management, and puzzle training.

**Highlights:** PGN database and game management, Create, modify, and import games, Advanced engine analysis with Stockfish, Opening book and ChessBase support, Chess 960 (Fischer Random) support, Diagram recognition for PGN conversion, Puzzle training and online play

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $0.99 | per month |
| Yearly Premium Subscription | $8.99 | per year |

**What reviewers like**

- 👍 Powerful chess database features
- 👍 Comprehensive analysis tools
- 👍 Excellent PGN management
- 👍 Great value for price
- 👍 Frequent updates and improvements

**What reviewers complain about**

- 🐛 Steep learning curve
- 🐛 Occasional crashes
- 🐛 Unintuitive interface
- 🐛 Some users find it confusing
- 🐛 Missing dark mode

**Reported bugs**

- Problem saving updated game data
- Engine stopped working after 30 seconds
- App crashes when adding annotations without hitting 'edit mode' first
- Crash opening .pgn in landscape mode
- Crashes when selecting a cell with 0 games associated

**Requested features**

- Add dark mode
- Add board flip button
- Improve interface for screen reader users
- Add private game feature with code
- Add computer whole game analysis with annotations


### Blitz Keys

[App page](https://appshunter.io/ios/app/blitz-keys/id6743063140)

**In-app purchases:** none


## Frequently asked questions

### Is Chess free?

Chess costs $3.99, and also offers in-app purchases.

### Is Blitz Keys free?

Blitz Keys costs $3.99, with no in-app purchases.

### Do Chess or Blitz Keys have ads?

Neither Chess nor Blitz Keys shows ads.

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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.*