# Carbon Training vs CPR Timer

The clearest difference is in-app purchases: CPR Timer at none against Carbon Training's 1. CPR Timer also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. Carbon Training sells 1 in-app purchase, starting at $299.00 per month. CPR Timer asks for nothing beyond the download.

## The numbers

| Metric | Carbon Training | CPR Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 46 MB | 1 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Carbon Culture LLC](https://appshunter.io/developer/1710809089) | [Michael D. Thompson](https://appshunter.io/developer/1866976911) |

## What reviewers say

### Carbon Training

[App page](https://appshunter.io/ios/app/carbon-training/id6501955227)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $299.00 | per month |


### CPR Timer

[App page](https://appshunter.io/ios/app/cpr-timer/id6757443860)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Carbon Training free?

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

### Is CPR Timer free?

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

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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.*