# 九启数界 vs 山河纪元

The clearest difference is in-app purchases: 九启数界 at none against 山河纪元's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 山河纪元 sells 1 one-off in-app purchase. 九启数界 asks for nothing beyond the download.

九启数界 ships an update fortnightly, 山河纪元 every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 九启数界 | 山河纪元 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 234 MB | 84 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [JiuQiShuJie(Tianjin)Technology Co., Ltd](https://appshunter.io/developer/1719818979) | [Hubei Jianxing Heyi Kechuang Co., Ltd.](https://appshunter.io/developer/1894155509) |

## What reviewers say

### 九启数界

[App page](https://appshunter.io/ios/app/id6478385125)

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

**In-app purchases:** none


### 山河纪元

[App page](https://appshunter.io/ios/app/id6762441837)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 山河8元 | $0.99 | one-time |


## Frequently asked questions

### Is 九启数界 free?

九启数界 is free to download, with no in-app purchases.

### Is 山河纪元 free?

山河纪元 is free to download, with in-app purchases available.

### Do 九启数界 or 山河纪元 have ads?

Neither 九启数界 nor 山河纪元 shows ads.

### Which is updated more often, 九启数界 or 山河纪元?

九启数界 ships an update fortnightly, and 山河纪元 every 3 weeks. Most recently, 九启数界 was updated on October 7, 2026 and 山河纪元 on October 24, 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.*