# DiffChar vs Chess with Ai offline

The clearest difference is in-app purchases: Chess with Ai offline at none against DiffChar's 3. DiffChar's advantage is ads (none vs shown) and update cadence (weekly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. DiffChar sells 3 one-off in-app purchases. Chess with Ai offline asks for nothing beyond the download.

DiffChar ships an update weekly, Chess with Ai offline every 3 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DiffChar | Chess with Ai offline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diffchar/id1258682952/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 16 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [景灯 梁](https://appshunter.io/developer/977915723) | [Alexander Timoshkov](https://appshunter.io/developer/1059090945) |

## What reviewers say

### DiffChar

[App page](https://appshunter.io/ios/app/diffchar/id1258682952)

Test your observation skills by finding the unique Chinese character among many that look alike. This game offers over 360 challenges, combining fun with education for a simple yet engaging experience.

**Highlights:** Identify unique Chinese characters, Over 360 challenging levels, Simple and fun gameplay, Educational value, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Characters | $0.99 | one-time |
| Removing balls 10 times | $0.99 | one-time |
| Removing Ads | $1.99 | one-time |


### Chess with Ai offline

[App page](https://appshunter.io/ios/app/chess-with-ai-offline/id6757577055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DiffChar free?

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

### Is Chess with Ai offline free?

Chess with Ai offline is free to download, with no in-app purchases.

### Do DiffChar or Chess with Ai offline have ads?

Chess with Ai offline shows ads; DiffChar does not.

### Which is updated more often, DiffChar or Chess with Ai offline?

DiffChar ships an update weekly, and Chess with Ai offline every 3 months. Most recently, DiffChar was updated on October 29, 2026 and Chess with Ai offline on October 31, 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.*