# Waterfaster vs xHours

The clearest difference is iOS requirement: Waterfaster at 16.4 against xHours's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days and xHours sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Waterfaster ships an update every 11 days, xHours every 9 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Waterfaster | xHours |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 59 MB | 9 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [AMIT Solutions](https://appshunter.io/developer/1892726088) | [Nicola Radaelli](https://appshunter.io/developer/1895174746) |

## What reviewers say

### Waterfaster

[App page](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095)

Track intermittent and water fasts with live countdowns on your Lock Screen and widgets. Monitor your body's progress and connect with friends anonymously for support and challenges. Offers various fasting protocols and integrates with Apple Health.

**Highlights:** Live Lock Screen and widget countdowns, Anonymous social fasting with friends, Support for various fasting protocols, Apple Health integration, Hydration and electrolyte guidance, Progress tracking and insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waterfaster+ | $3.99 | per 7 days |
| Waterfaster+ | $44.99 | per year |
| Lifetime | $89.99 | one-time |


### xHours

[App page](https://appshunter.io/ios/app/xhours-intermittent-fasting/id6763129519)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| xHours Premium Monthly | $2.99 | per month |
| xHours Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Waterfaster free?

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

### Is xHours free?

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

### Do Waterfaster or xHours have ads?

Neither Waterfaster nor xHours shows ads.

### Which is updated more often, Waterfaster or xHours?

Waterfaster ships an update every 11 days, and xHours every 9 days. Most recently, Waterfaster was updated on October 23, 2026 and xHours 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.*