# Tistron vs Carbon Free Step

The clearest difference is device support: Tistron at 3 against Carbon Free Step's 1. Tistron also leads on iOS requirement (15.6 vs 17.0). On price, ads 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 | Tistron | Carbon Free Step |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 69 MB | 0 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lakhmi Ahuja](https://appshunter.io/developer/1707905883) | [Gabriel Sabaini](https://appshunter.io/developer/1711468551) |

## What reviewers say

### Tistron

[App page](https://appshunter.io/ios/app/tistron/id6467557293)

**Features:** macOS Compatibility

**In-app purchases:** none


### Carbon Free Step

[App page](https://appshunter.io/ios/app/carbon-free-step/id6503259472)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tistron free?

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

### Is Carbon Free Step free?

Carbon Free Step is free to download, with no in-app purchases.

### Do Tistron or Carbon Free Step have ads?

Neither Tistron nor Carbon Free Step shows ads.

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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.*