# VBS UV vs QT

The clearest difference is iOS requirement: QT at 10 against VBS UV's 26.0. 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.

VBS UV ships an update every 6 weeks, QT every 2 months. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | VBS UV | QT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vbs-uv-index/id1179934658/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 6 MB | 33 MB |
| Requires iOS | 26.0 | **10** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mark Spaulding](https://appshunter.io/developer/1166710709) | [BSN (HK) Limited](https://appshunter.io/developer/1478716662) |

## What reviewers say

### VBS UV

[App page](https://appshunter.io/ios/app/vbs-uv-index/id1179934658)

This app provides UV-Index forecasts to help manage sun exposure. It offers a simple interface for users to check daily UV levels. More information about the VBS model is available online.

**Highlights:** UV-Index forecasts, Sun exposure management, Simple user interface, VBS model information link

**Features:** macOS Compatibility

**In-app purchases:** none


### QT

[App page](https://appshunter.io/ios/app/qt/id1454476488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VBS UV free?

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

### Is QT free?

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

### Do VBS UV or QT have ads?

Neither VBS UV nor QT shows ads.

### Which is updated more often, VBS UV or QT?

VBS UV ships an update every 6 weeks, and QT every 2 months. Most recently, VBS UV was updated on October 18, 2026 and QT on October 20, 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.*