# ClearFast vs Keepfasting

The clearest difference is in-app purchases: Keepfasting at none against ClearFast's 2. ClearFast's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ClearFast sells 2 in-app purchases, starting at $1.99 per month. Keepfasting asks for nothing beyond the download.

## The numbers

| Metric | ClearFast | Keepfasting |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 40 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Janardan Ayachi](https://appshunter.io/developer/1890658992) | [Lars Ursprung](https://appshunter.io/developer/1440265976) |

## What reviewers say

### ClearFast

[App page](https://appshunter.io/ios/app/clearfast-fasting-timer/id6763855541)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClearFast Premium Monthly | $1.99 | per month |
| ClearFast Lifetime | $19.99 | one-time |


### Keepfasting

[App page](https://appshunter.io/ios/app/keepfasting/id6804500955)

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

**In-app purchases:** none


## Frequently asked questions

### Is ClearFast free?

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

### Is Keepfasting free?

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

### Do ClearFast or Keepfasting have ads?

Neither ClearFast nor Keepfasting 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.*