# Timer Tracker vs UID.one

The clearest difference is ads: UID.one at none against Timer Tracker's shown. UID.one also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.6). On price 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.

## The numbers

| Metric | Timer Tracker | UID.one |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 days |
| Size | 26 MB | 50 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [taichi nakazono](https://appshunter.io/developer/894494641) | [TRIP EXPRESS VIETNAM COMPANY LIMITED](https://appshunter.io/developer/6774900975) |

## What reviewers say

### Timer Tracker

[App page](https://appshunter.io/ios/app/timer-tracker-multi-timer/id6751625444)

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

**In-app purchases:** none


### UID.one

[App page](https://appshunter.io/ios/app/uidone-passkey-and-digital-id/id6774900973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Timer Tracker free?

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

### Is UID.one free?

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

### Do Timer Tracker or UID.one have ads?

Timer Tracker shows ads; UID.one does not.

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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.*