# Exercise Timer Resero vs Coach Clock

The clearest difference is in-app purchases: Exercise Timer Resero at none against Coach Clock's 1. Exercise Timer Resero also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Coach Clock sells 1 one-off in-app purchase. Exercise Timer Resero asks for nothing beyond the download.

Exercise Timer Resero ships an update every 3 weeks, Coach Clock every 2 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Exercise Timer Resero | Coach Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 112 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imarum GmbH](https://appshunter.io/developer/1856347447) | [Quoc Nguyen](https://appshunter.io/developer/1883194471) |

## What reviewers say

### Exercise Timer Resero

[App page](https://appshunter.io/ios/app/exercise-timer-resero/id6761783791)

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

**In-app purchases:** none


### Coach Clock

[App page](https://appshunter.io/ios/app/coach-clock-class-timer/id6781803094)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coach Clock Pro | $19.99 | one-time |


## Frequently asked questions

### Is Exercise Timer Resero free?

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

### Is Coach Clock free?

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

### Do Exercise Timer Resero or Coach Clock have ads?

Coach Clock shows ads; Exercise Timer Resero does not.

### Which is updated more often, Exercise Timer Resero or Coach Clock?

Exercise Timer Resero ships an update every 3 weeks, and Coach Clock every 2 weeks. Most recently, Exercise Timer Resero was updated on September 27, 2026 and Coach Clock on September 28, 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.*