# 72Hour Fasting Timer vs Fast36

The clearest difference is price: Fast36 at Free against 72Hour Fasting Timer's $1.99. 72Hour Fasting Timer's advantage is in-app purchases (none vs 2) and chart position (#85 vs unranked). On ads and device support there is nothing between them.

Fast36 is free to download; 72Hour Fasting Timer costs $1.99 up front. Fast36 sells 2 in-app purchases, starting at $14.99 per month. 72Hour Fasting Timer asks for nothing beyond the download.

## The numbers

| Metric | 72Hour Fasting Timer | Fast36 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/72hour-fasting-timer/id6745131744/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | — |
| Best chart rank | **#85** | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [POWER SATELLITE LLC](https://appshunter.io/developer/1809833198) | [AKN Technologies FZ-LLC](https://appshunter.io/developer/1872738914) |

## What reviewers say

### 72Hour Fasting Timer

[App page](https://appshunter.io/ios/app/72hour-fasting-timer/id6745131744)

**Currently charting:** #85 Top Paid · Health & Fitness (US App Store)

This app assists users in tracking extended fasting periods of 24, 48, or 72 hours. It provides progress zones, statistics, and reminders to help users stay focused and motivated during their fasting journey.

**Highlights:** Smart fasting timer, Progress zones (fat burning, autophagy), Statistics and history, HealthKit sync, Notifications and reminders, Minimalist design

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

**In-app purchases:** none


### Fast36

[App page](https://appshunter.io/ios/app/fast36/id6758402027)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast36 Pro - Monthly | $14.99 | per month |
| Fast36 Pro - Yearly | $99.99 | per year |


## Frequently asked questions

### Is 72Hour Fasting Timer free?

72Hour Fasting Timer costs $1.99, with no in-app purchases.

### Is Fast36 free?

Fast36 is free to download, with in-app purchases available.

### Do 72Hour Fasting Timer or Fast36 have ads?

Neither 72Hour Fasting Timer nor Fast36 shows ads.

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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.*