# 온스 vs Tempo study timer

The clearest difference is ads: Tempo study timer at none against 온스's shown. On price, in-app purchases, device support and iOS requirement 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 | 온스 | Tempo study timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Fortnightly |
| Size | 42 MB | 81 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seongji Kang](https://appshunter.io/developer/1879440659) | [Daihun Kim](https://appshunter.io/developer/1881549980) |

## What reviewers say

### 온스

[App page](https://appshunter.io/ios/app/id6759547245)

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

**In-app purchases:** none


### Tempo study timer

[App page](https://appshunter.io/ios/app/tempo-study-timer/id6759906734)

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

**In-app purchases:** none


## Frequently asked questions

### Is 온스 free?

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

### Is Tempo study timer free?

Tempo study timer is free to download, with no in-app purchases.

### Do 온스 or Tempo study timer have ads?

온스 shows ads; Tempo study timer 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.*