# 九启数界 vs OCart

The clearest difference is update cadence: OCart at every 4 days against 九启数界's fortnightly. 九启数界's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

九启数界 ships an update fortnightly, OCart every 4 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 九启数界 | OCart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 234 MB | 104 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [JiuQiShuJie(Tianjin)Technology Co., Ltd](https://appshunter.io/developer/1719818979) | [Hainan No.1 Creative Technology Co., Ltd.](https://appshunter.io/developer/1891246940) |

## 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


### OCart

[App page](https://appshunter.io/ios/app/ocart/id6761746013)

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

**In-app purchases:** none


## Frequently asked questions

### Is 九启数界 free?

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

### Is OCart free?

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

### Do 九启数界 or OCart have ads?

Neither 九启数界 nor OCart shows ads.

### Which is updated more often, 九启数界 or OCart?

九启数界 ships an update fortnightly, and OCart every 4 days. Most recently, 九启数界 was updated on October 7, 2026 and OCart on September 30, 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.*