# Fasten vs Water Fasting

The clearest difference is in-app purchases: Fasten at none against Water Fasting's 2. Fasten also leads on iOS requirement (15.1 vs 18.0). Water Fasting's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Water Fasting sells 2 in-app purchases, starting at $9.99 per month. Fasten asks for nothing beyond the download.

Fasten ships an update every 2 months, Water Fasting every 3 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fasten | Water Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/water-fasting-tracker-and-timer/id6767459809/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 37 MB | 19 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yoel Mebrahtu](https://appshunter.io/developer/1886822133) | [SUKRU DEMIR](https://appshunter.io/developer/1856005733) |

## What reviewers say

### Fasten

[App page](https://appshunter.io/ios/app/fasten-fasting-tracker/id6760921042)

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

**In-app purchases:** none


### Water Fasting

[App page](https://appshunter.io/ios/app/water-fasting-tracker-and-timer/id6767459809)

Track your fasting journey with a visually engaging water orb timer. Understand your body's stages, log hydration, and gain personalized wellness insights. Offers science-backed information and a premium minimalist design.

**Highlights:** Living water orb timer with gyroscope physics, Six science-backed fasting stages, Hydration and wellness logging, Personalized wellness insights, Premium minimalist design, Data export

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Fasting Pro | $9.99 | per month |
| Water Fasting Pro | $59.99 | per year |


## Frequently asked questions

### Is Fasten free?

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

### Is Water Fasting free?

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

### Do Fasten or Water Fasting have ads?

Neither Fasten nor Water Fasting shows ads.

### Which is updated more often, Fasten or Water Fasting?

Fasten ships an update every 2 months, and Water Fasting every 3 weeks. Most recently, Fasten was updated on October 16, 2026 and Water Fasting on October 24, 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.*