# Just Fasting vs JustFast

The clearest difference is rating: JustFast at 4.5 against Just Fasting's 4.0. JustFast also leads on iOS requirement (18.0 vs 26.4). Just Fasting's advantage is update cadence (every 2 days vs fortnightly). On price, ratings volume, ads and in-app purchases 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, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Just Fasting ships an update every 2 days, JustFast fortnightly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Just Fasting | JustFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/just-fasting/id6761426623/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/justfast-timer/id6775042519/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 2 MB | 20 MB |
| Requires iOS | 26.4 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Clark](https://appshunter.io/developer/1797183728) | [Vitalii Vyrodov](https://appshunter.io/developer/1588698342) |

## What reviewers say

### Just Fasting

[App page](https://appshunter.io/ios/app/just-fasting/id6761426623)

This app helps you track your fasting periods with a simple, uncluttered interface. Easily start custom fasts of varying lengths and monitor your progress with detailed statistics. It's designed to be unobtrusive and straightforward for your intermittent fasting journey.

**Highlights:** Customizable fast durations (hours and days), One-tap start for common fasts, Visual countdown and progress arc, Detailed fasting statistics, Streak tracking, Remember last fast length

**Features:** macOS Compatibility, 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 Just Fasting free?

Just Fasting 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, Just Fasting or JustFast?

JustFast is rated higher. Just Fasting averages 4.0 out of 5 from 1 ratings, while JustFast averages 4.5 from 2 ratings.

### Do Just Fasting or JustFast have ads?

Neither Just Fasting nor JustFast shows ads.

### Which is updated more often, Just Fasting or JustFast?

Just Fasting ships an update every 2 days, and JustFast fortnightly. Most recently, Just Fasting was updated on October 31, 2026 and JustFast on November 5, 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.*