# Pocket Chess vs Block Jai

The clearest difference is update cadence: Block Jai at every 3 days against Pocket Chess's every 2 months. Pocket Chess's advantage is chart position (#125 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pocket Chess sells 7 one-off in-app purchases and Block Jai sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Pocket Chess ships an update every 2 months, Block Jai every 3 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Pocket Chess | Block Jai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15K ratings)](https://appshunter.io/ios/app/pocket-chess/id1580054076/reviews)** | — |
| Number of ratings | **15K** | — |
| Positive reviews | 61.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#125** | — |
| Size | 199 MB | 105 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lessmore GmbH](https://appshunter.io/developer/1579865033) | [SAMUEL DAO MING CHUNG](https://appshunter.io/developer/6814092751) |

## What reviewers say

### Pocket Chess

[App page](https://appshunter.io/ios/app/pocket-chess/id1580054076)

**Currently charting:** #125 Top Free · Board (US App Store)

Enhance your chess skills with hundreds of challenging chess problems and puzzles. This app focuses on simplified boards to help you quickly recognize chess patterns and improve your game.

**Highlights:** Hundreds of chess problems, Checkmate in 2 and 4 puzzles, Simplified boards for pattern recognition, Improve chess game, Learn chess patterns faster

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coin Bundle | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Starter Package | $4.99 | one-time |
| Event Offer | $4.99 | one-time |
| Medium Coin Bundle | $5.99 | one-time |
| Large Coin Bundle | $11.99 | one-time |
| Super Coin Bundle | $25.99 | one-time |

**What reviewers like**

- 🚀 Improved chess skills
- 👍 Challenging yet fun puzzles
- 🤩 Addictive and engaging
- 🧠 Helps develop tactical thinking
- 📈 Tracks progress and skill level

**What reviewers complain about**

- 🙄 Excessive ads
- 💰 Expensive to remove ads
- 🐛 Some puzzles have issues
- 🤔 Opponent moves don't always make sense

**Reported bugs**

- Progress data loss
- Incorrect checkmate solutions
- Game freezing after certain moves

**Requested features**

- Ability to review past puzzles
- More advanced puzzles and levels
- Option to disable audio/music
- Sync progress across devices


### Block Jai

[App page](https://appshunter.io/ios/app/block-jai/id6814092749)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Diamonds | $0.99 | one-time |
| 550 Diamonds | $4.99 | one-time |
| 1,200 Diamonds | $9.99 | one-time |
| 3,000 Diamonds | $19.99 | one-time |
| 10,000 Diamonds | $49.99 | one-time |


## Frequently asked questions

### Is Pocket Chess free?

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

### Is Block Jai free?

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

### Do Pocket Chess or Block Jai have ads?

Both Pocket Chess and Block Jai show ads.

### Which is updated more often, Pocket Chess or Block Jai?

Pocket Chess ships an update every 2 months, and Block Jai every 3 days. Most recently, Pocket Chess was updated on November 10, 2026 and Block Jai on November 6, 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.*