VBS UV vs QT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VBS UV
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.
- UV-Index forecasts
- Sun exposure management
- Simple user interface
- VBS model information link
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The UI-Index app is a simple app to help us manage the sun exposure of our campers. For more information about this model of VBS, head to https://vbsonline.org
QT
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QT code has the characteristics of high security, concealment, fast recognition and minimal size. It is an excellent anti-counterfeiting code.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | VBS UV | QT |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 10 — better |
| Further details — not scored | ||
| Size | 6 MB | 33 MB |
| Age rating | 4+ | 17+ |
| Developer | Mark Spaulding | BSN (HK) Limited |
In-app purchases
VBS UV
No in-app purchases
QT
No in-app purchases
