# SunDose vs UV Timer

The clearest difference is update cadence: UV Timer at every 3 days against SunDose's every 11 days. SunDose's advantage is iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SunDose sells 2 in-app purchases, starting at $2.99 per 7 days and UV Timer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SunDose ships an update every 11 days, UV Timer every 3 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SunDose | UV Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Size | 10 MB | 10 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [琳 陆](https://appshunter.io/developer/1836824413) | [Shyam Steenhaut](https://appshunter.io/developer/1895402238) |

## What reviewers say

### SunDose

[App page](https://appshunter.io/ios/app/sundose-live-uv-and-tan-timer-plus/id6755374940)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sundose Pro Weekly | $2.99 | per 7 days |
| Sundose Pro Yearly | $39.99 | per year |


### UV Timer

[App page](https://appshunter.io/ios/app/uv-timer/id6763620315)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Location Pack | $0.99 | one-time |
| 5 Locations Pack | $3.99 | one-time |
| 10 Locations Pack | $4.99 | one-time |


## Frequently asked questions

### Is SunDose free?

SunDose is free to download, with in-app purchases available.

### Is UV Timer free?

UV Timer is free to download, with in-app purchases available.

### Do SunDose or UV Timer have ads?

Neither SunDose nor UV Timer shows ads.

### Which is updated more often, SunDose or UV Timer?

SunDose ships an update every 11 days, and UV Timer every 3 days. Most recently, SunDose was updated on October 16, 2026 and UV Timer on October 10, 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.*