# TrekDay vs UV Timer

The clearest difference is ads: UV Timer at none against TrekDay's shown. TrekDay's advantage is iOS requirement (13.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. TrekDay sells 2 in-app purchases, starting at $1.99 per month and UV Timer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

TrekDay ships an update every 4 days, UV Timer every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TrekDay | UV Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 67 MB | 10 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mariano Ceccarelli](https://appshunter.io/developer/1875444811) | [Shyam Steenhaut](https://appshunter.io/developer/1895402238) |

## What reviewers say

### TrekDay

[App page](https://appshunter.io/ios/app/trekday-hiking-trails/id6760348572)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrekDay Premium Monthly | $1.99 | per month |
| TrekDay Premium Yearly | $8.99 | 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 TrekDay free?

TrekDay 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 TrekDay or UV Timer have ads?

TrekDay shows ads; UV Timer does not.

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

TrekDay ships an update every 4 days, and UV Timer every 3 days. Most recently, TrekDay was updated on November 5, 2026 and UV Timer on October 31, 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.*