# Simple Fasting App vs AllyFast

The clearest difference is price: Simple Fasting App at Free against AllyFast's $0.99. AllyFast's advantage is rating (5.0 vs 4.4) and review sentiment (100% vs 77%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Simple Fasting App is free to download; AllyFast costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AllyFast holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 38 and 18 respectively. Written reviews point the same way: 77% of Simple Fasting App's written reviews are positive against 100% of AllyFast's.

Simple Fasting App ships an update every 6 weeks, AllyFast monthly. Both last shipped on October 15, 2026.

## The numbers

| Metric | Simple Fasting App | AllyFast |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.4 (38 ratings)](https://appshunter.io/ios/app/simple-fasting-app/id6738610803/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/allyfast-fasting-tracker/id6743131202/reviews)** |
| Number of ratings | **38** | 18 |
| Positive reviews | 76.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 2 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Emrah Konya](https://appshunter.io/developer/1752657386) | [Wonseok Lee](https://appshunter.io/developer/1801568032) |

## What reviewers say

### Simple Fasting App

[App page](https://appshunter.io/ios/app/simple-fasting-app/id6738610803)

This app simplifies intermittent fasting with a focus on privacy and ease of use. It offers popular fasting schedules, progress tracking, and smart notifications without ads, subscriptions, or data collection.

**Highlights:** Free and private, Popular fasting schedules, Progress tracking, Smart notifications, Intuitive design, Customizable themes, Quick start

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

**In-app purchases:** none


### AllyFast

[App page](https://appshunter.io/ios/app/allyfast-fasting-tracker/id6743131202)

This app offers a streamlined fasting timer with a clean, SwiftUI-based interface. It prioritizes user privacy with local data storage and provides science-based insights into fasting stages. Enjoy a clutter-free, ad-free experience with no subscriptions.

**Highlights:** SwiftUI fasting timer, Local data storage, No subscriptions or ads, Fasts up to 72 hours, Editable fasting history, Science-based fasting insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Fasting App free?

Simple Fasting App is free to download, with no in-app purchases.

### Is AllyFast free?

AllyFast costs $0.99, with no in-app purchases.

### Which has better reviews, Simple Fasting App or AllyFast?

AllyFast is rated higher. Simple Fasting App averages 4.4 out of 5 from 38 ratings, while AllyFast averages 5.0 from 18 ratings.

### Do Simple Fasting App or AllyFast have ads?

Neither Simple Fasting App nor AllyFast shows ads.

### Which is updated more often, Simple Fasting App or AllyFast?

Simple Fasting App ships an update every 6 weeks, and AllyFast monthly. Most recently, Simple Fasting App was updated on October 15, 2026 and AllyFast on October 15, 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.*