# DARVISO vs Ustar Pro

The clearest difference is update cadence: Ustar Pro at fortnightly against DARVISO's every 6 weeks. Ustar Pro also leads on iOS requirement (13.0 vs 15). 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.

DARVISO ships an update every 6 weeks, Ustar Pro fortnightly. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DARVISO | Ustar Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 70 MB | 26 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Changsha Microbrain Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1820171560) | [杭州宇泛智能科技有限公司](https://appshunter.io/developer/1156327327) |

## What reviewers say

### DARVISO

[App page](https://appshunter.io/ios/app/darviso/id6740618541)

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

**In-app purchases:** none


### Ustar Pro

[App page](https://appshunter.io/ios/app/ustar-pro/id6757177965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DARVISO free?

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

### Is Ustar Pro free?

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

### Do DARVISO or Ustar Pro have ads?

Neither DARVISO nor Ustar Pro shows ads.

### Which is updated more often, DARVISO or Ustar Pro?

DARVISO ships an update every 6 weeks, and Ustar Pro fortnightly. Most recently, DARVISO was updated on September 9, 2026 and Ustar Pro on September 14, 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.*