# 中国象棋PGN阅读器 vs OhNo

The clearest difference is in-app purchases: OhNo at none against 中国象棋PGN阅读器's 1. OhNo also leads on update cadence (weekly vs every 6 months). 中国象棋PGN阅读器's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 中国象棋PGN阅读器 sells 1 one-off in-app purchase. OhNo asks for nothing beyond the download.

中国象棋PGN阅读器 ships an update every 6 months, OhNo weekly. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 中国象棋PGN阅读器 | OhNo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 12 MB | 3.1 GB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [丽娜 夏](https://appshunter.io/developer/1084968330) | [小爱 程](https://appshunter.io/developer/1314165165) |

## What reviewers say

### 中国象棋PGN阅读器

[App page](https://appshunter.io/ios/app/pgn/id1253331355)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pay to unlock all functions. | $0.99 | one-time |


### OhNo

[App page](https://appshunter.io/ios/app/ohno/id6743516246)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中国象棋PGN阅读器 free?

中国象棋PGN阅读器 is free to download, with in-app purchases available.

### Is OhNo free?

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

### Do 中国象棋PGN阅读器 or OhNo have ads?

Neither 中国象棋PGN阅读器 nor OhNo shows ads.

### Which is updated more often, 中国象棋PGN阅读器 or OhNo?

中国象棋PGN阅读器 ships an update every 6 months, and OhNo weekly. Most recently, 中国象棋PGN阅读器 was updated on September 27, 2026 and OhNo on October 3, 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.*