# ViBus vs UniQMS

The clearest difference is update cadence: UniQMS at every 3 weeks against ViBus's every 2 months. ViBus's advantage is iOS requirement (11.0 vs 15.1). 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.

ViBus ships an update every 2 months, UniQMS every 3 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ViBus | UniQMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 104 MB | 18 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [IOTLINK LLC](https://appshunter.io/developer/1439308875) | [United Technologies Corporation](https://appshunter.io/developer/423059994) |

## What reviewers say

### ViBus

[App page](https://appshunter.io/ios/app/vibus/id1491701134)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniQMS

[App page](https://appshunter.io/ios/app/uniqms/id6742391918)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ViBus free?

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

### Is UniQMS free?

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

### Do ViBus or UniQMS have ads?

Neither ViBus nor UniQMS shows ads.

### Which is updated more often, ViBus or UniQMS?

ViBus ships an update every 2 months, and UniQMS every 3 weeks. Most recently, ViBus was updated on October 15, 2026 and UniQMS on October 16, 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.*