# Just Fasting vs Water Fasting

The clearest difference is in-app purchases: Just Fasting at none against Water Fasting's 2. Just Fasting also leads on update cadence (every 2 days vs every 3 weeks). Water Fasting's advantage is iOS requirement (18.0 vs 26.4). 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. Just Fasting asks for nothing beyond the download.

Just Fasting ships an update every 2 days, Water Fasting every 3 weeks. The most recent releases landed on September 18, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Just Fasting | Water Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/water-fasting-tracker-and-timer/id6767459809/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 2 MB | 19 MB |
| Requires iOS | 26.4 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Matthew Clark](https://appshunter.io/developer/1797183728) | [SUKRU DEMIR](https://appshunter.io/developer/1856005733) |

## What reviewers say

### Just Fasting

[App page](https://appshunter.io/ios/app/just-fasting/id6761426623)

**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 Just Fasting free?

Just Fasting 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 Just Fasting or Water Fasting have ads?

Neither Just Fasting nor Water Fasting shows ads.

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

Just Fasting ships an update every 2 days, and Water Fasting every 3 weeks. Most recently, Just Fasting was updated on September 18, 2026 and Water Fasting on August 31, 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.*