# Chess Alliance vs 同步学

The clearest difference is in-app purchases: Chess Alliance at none against 同步学's 10. Chess Alliance also leads on iOS requirement (13 vs 15). 同步学's advantage is ads (none vs shown) and rating (4.3 vs 3.9). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. 同步学 sells 10 one-off in-app purchases. Chess Alliance asks for nothing beyond the download.

同步学 holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 105 and 99 respectively. Written reviews point the same way: 50% of Chess Alliance's written reviews are positive against 76% of 同步学's.

Chess Alliance ships an update every 3 weeks, 同步学 fortnightly. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Chess Alliance | 同步学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (105 ratings)](https://appshunter.io/ios/app/chess-alliance/id1089848809/reviews) | **[4.3 (99 ratings)](https://appshunter.io/ios/app/id1216626596/reviews)** |
| Number of ratings | **105** | 99 |
| Positive reviews | 50.0% of reviews | **75.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 131 MB | 340 MB |
| Requires iOS | **13** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [北京棋易科技有限公司](https://appshunter.io/developer/1089848808) | [深圳市方直科技股份有限公司](https://appshunter.io/developer/1018642637) |

## What reviewers say

### Chess Alliance

[App page](https://appshunter.io/ios/app/chess-alliance/id1089848809)

This platform offers a comprehensive suite of tools for chess players of all levels to play, practice, learn, and improve. Engage in live games, solve thousands of puzzles, analyze your matches with AI feedback, and join or create chess clubs for community interaction and tournaments.

**Highlights:** Play against similar level opponents, Challenge friends and chat, Watch live games and tournaments, Solve over 100,000 tactics puzzles, Analyze games with AI feedback, Create and join chess clubs, Access learning tools like opening trees and game databases

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

**In-app purchases:** none


### 同步学

[App page](https://appshunter.io/ios/app/id1216626596)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【外研新视角】配套英语VIP会员12个月 | $39.99 | one-time |
| 【湘少版】配套超级VIP会员+作文12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级VIP会员12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级会员+作文12个月 | $39.99 | one-time |
| 【粤教沪外版】配套英语VIP会员12个月 | $39.99 | one-time |
| 【重大版】配套超级VIP会员12个月 | $39.99 | one-time |
| 【重大版】配套超级会员+作文12个月 | $39.99 | one-time |
| 【重大版】配套英语VIP会员12个月 | $39.99 | one-time |
| 【粤教沪外版】配套超级VIP会员24个月 | $69.99 | one-time |
| 【重大版】配套超级VIP会员24个月 | $69.99 | one-time |


## Frequently asked questions

### Is Chess Alliance free?

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

### Is 同步学 free?

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

### Which has better reviews, Chess Alliance or 同步学?

同步学 is rated higher. Chess Alliance averages 3.9 out of 5 from 105 ratings, while 同步学 averages 4.3 from 99 ratings.

### Do Chess Alliance or 同步学 have ads?

Chess Alliance shows ads; 同步学 does not.

### Which is updated more often, Chess Alliance or 同步学?

Chess Alliance ships an update every 3 weeks, and 同步学 fortnightly. Most recently, Chess Alliance was updated on October 26, 2026 and 同步学 on November 2, 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.*