# Waterfaster vs WaterFast

Waterfaster and WaterFast are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days and WaterFast sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Waterfaster ships an update every 11 days, WaterFast weekly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Waterfaster | WaterFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/waterfast-if-fasting-timer/id6787013484/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | — | Freemium |
| Size | 59 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [AMIT Solutions](https://appshunter.io/developer/1892726088) | [LUIS ORLANDO LAZO GONZALEZ](https://appshunter.io/developer/1896012382) |

## What reviewers say

### Waterfaster

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

**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 |


### WaterFast

[App page](https://appshunter.io/ios/app/waterfast-if-fasting-timer/id6787013484)

This app provides a synchronized intermittent fasting timer designed for seamless use across your iPhone and Apple Watch. It offers detailed insights into fasting zones and hydration tracking, with a focus on privacy and a user-friendly experience.

**Highlights:** Synchronized iPhone and Apple Watch timer, Fasting zone insights, Hydration tracking, Multiple fasting plans, Streak calendar, Data export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WaterFast PRO Yearly | $9.99 | per year |
| WaterFast PRO Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Waterfaster free?

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

### Is WaterFast free?

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

### Do Waterfaster or WaterFast have ads?

Neither Waterfaster nor WaterFast shows ads.

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

Waterfaster ships an update every 11 days, and WaterFast weekly. Most recently, Waterfaster was updated on October 5, 2026 and WaterFast on October 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.*