# Sino OMS vs 安全口令

The clearest difference is ads: 安全口令 at none against Sino OMS's shown. 安全口令 also leads on iOS requirement (9.0 vs 12.0). Sino OMS's advantage is update cadence (every 3 weeks vs every 3 months). On price, 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.

Sino OMS ships an update every 3 weeks, 安全口令 every 3 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sino OMS | 安全口令 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 6 MB | 7 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sinodata Co.,LTD.](https://appshunter.io/developer/350093732) | [北京芯盾时代科技有限公司](https://appshunter.io/developer/1305542379) |

## What reviewers say

### Sino OMS

[App page](https://appshunter.io/ios/app/sino-oms/id1517785920)

**Features:** macOS Compatibility

**In-app purchases:** none


### 安全口令

[App page](https://appshunter.io/ios/app/id1543819081)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sino OMS free?

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

### Is 安全口令 free?

安全口令 is free to download, with no in-app purchases.

### Do Sino OMS or 安全口令 have ads?

Sino OMS shows ads; 安全口令 does not.

### Which is updated more often, Sino OMS or 安全口令?

Sino OMS ships an update every 3 weeks, and 安全口令 every 3 months. Most recently, Sino OMS was updated on October 25, 2026 and 安全口令 on November 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.*