# QoFast vs Waterfaster

The clearest difference is device support: QoFast at 3 against Waterfaster's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

QoFast ships an update every 6 days, Waterfaster every 11 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | QoFast | Waterfaster |
| --- | --- | --- |
| 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 6 days** | Every 11 days |
| Monetization | — | Freemium |
| Size | 75 MB | 59 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Qorinx OU](https://appshunter.io/developer/1554751147) | [AMIT Solutions](https://appshunter.io/developer/1892726088) |

## What reviewers say

### QoFast

[App page](https://appshunter.io/ios/app/qofast-intermittent-fasting/id6761296844)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QoFast Pro | $2.99 | per 7 days |
| QoFast Pro | $9.99 | per month |
| QoFast Pro | $49.99 | per year |


### 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 |


## Frequently asked questions

### Is QoFast free?

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

### Is Waterfaster free?

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

### Do QoFast or Waterfaster have ads?

Neither QoFast nor Waterfaster shows ads.

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

QoFast ships an update every 6 days, and Waterfaster every 11 days. Most recently, QoFast was updated on October 24, 2026 and Waterfaster on October 23, 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.*