# PureBite vs Fasty

The clearest difference is in-app purchases: PureBite at none against Fasty's 3. Fasty's advantage is update cadence (every 9 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fasty sells 3 in-app purchases, starting at $9.99 per month. PureBite asks for nothing beyond the download.

PureBite ships an update every 7 months, Fasty every 9 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PureBite | Fasty |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Size | 44 MB | 44 MB |
| Requires iOS | 17 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Alexander Ryakhin](https://appshunter.io/developer/1588418795) | [shaked peleg](https://appshunter.io/developer/1896655906) |

## What reviewers say

### PureBite

[App page](https://appshunter.io/ios/app/purebite-fasting-tracker/id6505026086)

**In-app purchases:** none


### Fasty

[App page](https://appshunter.io/ios/app/fasty/id6800707602)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasty - חודשי | $9.99 | per month |
| Fasty - מנוי שנתי | $39.99 | per year |
| fasty plus lifetime | $99.99 | one-time |


## Frequently asked questions

### Is PureBite free?

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

### Is Fasty free?

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

### Do PureBite or Fasty have ads?

Neither PureBite nor Fasty shows ads.

### Which is updated more often, PureBite or Fasty?

PureBite ships an update every 7 months, and Fasty every 9 days. Most recently, PureBite was updated on November 4, 2026 and Fasty on November 6, 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.*