# UV vs Tan Timer & Tracker

The clearest difference is in-app purchases: UV at none against Tan Timer & Tracker's 2. UV also leads on iOS requirement (16.7.10 vs 26.0). Tan Timer & Tracker's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Tan Timer & Tracker sells 2 in-app purchases, starting at $2.99 per month. UV asks for nothing beyond the download.

UV ships an update every 2 weeks, Tan Timer & Tracker every 9 days. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | UV | Tan Timer & Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 109 MB |
| Requires iOS | **16.7.10** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [CARLOS FELIPE GARCIA MURILLO](https://appshunter.io/developer/1740440820) |

## What reviewers say

### UV

[App page](https://appshunter.io/ios/app/uv-index-forecast/id6503669685)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tan Timer & Tracker

[App page](https://appshunter.io/ios/app/tan-timer-and-tracker-uvbuddy/id6745769252)

This app monitors UV levels in real-time and provides hourly forecasts up to 7 days. It offers personalized advice based on skin type, smart background timers for sun exposure, and intelligent alerts for changing UV conditions. Create family profiles with custom settings for everyone's safety.

**Highlights:** Real-time UV index monitoring, 7-day UV index forecasts, Smart sun exposure timers, Personalized skin type advice, Family profiles, Apple Watch app and widgets, Intelligent UV alerts

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $2.99 | per month |
| Unlimited Access | $29.99 | per year |


## Frequently asked questions

### Is UV free?

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

### Is Tan Timer & Tracker free?

Tan Timer & Tracker is free to download, with in-app purchases available.

### Do UV or Tan Timer & Tracker have ads?

UV shows ads; Tan Timer & Tracker does not.

### Which is updated more often, UV or Tan Timer & Tracker?

UV ships an update every 2 weeks, and Tan Timer & Tracker every 9 days. Most recently, UV was updated on October 11, 2026 and Tan Timer & Tracker 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.*