# Ustar Mobile vs Pro OnTime

The clearest difference is update cadence: Pro OnTime at fortnightly against Ustar Mobile's every 5 weeks. Ustar Mobile's advantage is iOS requirement (10.0 vs 15.0). 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.

Ustar Mobile ships an update every 5 weeks, Pro OnTime fortnightly. The most recent releases landed on May 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Ustar Mobile | Pro OnTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 34 MB | 37 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杭州宇泛智能科技有限公司](https://appshunter.io/developer/1156327327) | [SIDEREAL TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1481462615) |

## What reviewers say

### Ustar Mobile

[App page](https://appshunter.io/ios/app/ustar-mobile/id1565295845)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pro OnTime

[App page](https://appshunter.io/ios/app/pro-ontime/id6499000843)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ustar Mobile free?

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

### Is Pro OnTime free?

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

### Do Ustar Mobile or Pro OnTime have ads?

Neither Ustar Mobile nor Pro OnTime shows ads.

### Which is updated more often, Ustar Mobile or Pro OnTime?

Ustar Mobile ships an update every 5 weeks, and Pro OnTime fortnightly. Most recently, Ustar Mobile was updated on May 17, 2026 and Pro OnTime on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*