# UITS vs 犀信优选

The clearest difference is iOS requirement: UITS at 13.0 against 犀信优选's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

UITS ships an update every 2 months, 犀信优选 monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UITS | 犀信优选 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 36 MB | 66 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dong Sheng Bai](https://appshunter.io/developer/1568666533) | [河南千犀信息科技有限公司](https://appshunter.io/developer/1873262469) |

## What reviewers say

### UITS

[App page](https://appshunter.io/ios/app/uits/id1568987455)

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

**In-app purchases:** none


### 犀信优选

[App page](https://appshunter.io/ios/app/id6758514406)

**In-app purchases:** none


## Frequently asked questions

### Is UITS free?

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

### Is 犀信优选 free?

犀信优选 is free to download, with no in-app purchases.

### Do UITS or 犀信优选 have ads?

Neither UITS nor 犀信优选 shows ads.

### Which is updated more often, UITS or 犀信优选?

UITS ships an update every 2 months, and 犀信优选 monthly. Most recently, UITS was updated on November 3, 2026 and 犀信优选 on October 31, 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.*