# Simple Fasting App vs JustFast

The clearest difference is rating: JustFast at 5.0 against Simple Fasting App's 4.4. JustFast also leads on update cadence (fortnightly vs every 6 weeks). Simple Fasting App's advantage is ratings volume (38 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JustFast holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Simple Fasting App has 38 ratings behind it against 1, so its average is the more settled of the two.

Simple Fasting App ships an update every 6 weeks, JustFast fortnightly. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Simple Fasting App | JustFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (38 ratings)](https://appshunter.io/ios/app/simple-fasting-app/id6738610803/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfast-timer/id6775042519/reviews)** |
| Number of ratings | **38** | 1 |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 6 MB | 20 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Emrah Konya](https://appshunter.io/developer/1752657386) | [Vitalii Vyrodov](https://appshunter.io/developer/1588698342) |

## 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


### JustFast

[App page](https://appshunter.io/ios/app/justfast-timer/id6775042519)

This app offers a straightforward intermittent fasting timer. It focuses on tracking your fast with a clear, calm interface, providing insights into metabolic stages without gamification or pressure. It prioritizes privacy with on-device data storage and no accounts.

**Highlights:** One-tap start and stop, Live timer with accurate timekeeping, Metabolic milestone tracking, Plain-language explanations of milestones, Adjustable start/stop times, Ongoing notification for duration, Simple history of past fasts, 18 languages and dark design

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

**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 JustFast free?

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

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

JustFast is rated higher. Simple Fasting App averages 4.4 out of 5 from 38 ratings, while JustFast averages 5.0 from 1 ratings.

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

Neither Simple Fasting App nor JustFast shows ads.

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

Simple Fasting App ships an update every 6 weeks, and JustFast fortnightly. Most recently, Simple Fasting App was updated on October 15, 2026 and JustFast on September 28, 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.*