# iFast vs Simple Fasting

The clearest difference is in-app purchases: iFast at none against Simple Fasting's 1. iFast also leads on update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Fasting sells 1 one-off in-app purchase. iFast asks for nothing beyond the download.

iFast ships an update every 3 days, Simple Fasting every 4 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iFast | Simple Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/ifast-simple-fast-tracker/id1670053693/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 62 MB | 28 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manu Mehrotra](https://appshunter.io/developer/1607252474) | [UIXLY AS](https://appshunter.io/developer/6789231409) |

## What reviewers say

### iFast

[App page](https://appshunter.io/ios/app/ifast-simple-fast-tracker/id1670053693)

This app helps you track your fasting periods and monitor your progress towards your health goals. It supports various popular fasting methods, including circadian rhythm fasting and intermittent fasting schedules.

**Highlights:** Track fasting periods, Monitor progress, Support for popular fasting types, Circadian rhythm fasting, Intermittent fasting schedules, Custom prolonged fasts

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

**In-app purchases:** none


### Simple Fasting

[App page](https://appshunter.io/ios/app/simple-fasting/id6756801491)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | one-time |


## Frequently asked questions

### Is iFast free?

iFast is free to download, with no in-app purchases.

### Is Simple Fasting free?

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

### Do iFast or Simple Fasting have ads?

Both iFast and Simple Fasting show ads.

### Which is updated more often, iFast or Simple Fasting?

iFast ships an update every 3 days, and Simple Fasting every 4 months. Most recently, iFast was updated on October 9, 2026 and Simple Fasting on October 12, 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.*