# JustFast vs Fastix

The clearest difference is in-app purchases: JustFast at none against Fastix's 2. Fastix's advantage is iOS requirement (16 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Fastix sells 2 in-app purchases, starting at $9.99 per month. JustFast asks for nothing beyond the download.

## The numbers

| Metric | JustFast | Fastix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfast-timer/id6775042519/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 20 MB | 25 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vitalii Vyrodov](https://appshunter.io/developer/1588698342) | [Danylo Budylkin](https://appshunter.io/developer/6778012130) |

## What reviewers say

### 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


### Fastix

[App page](https://appshunter.io/ios/app/fastix-fasting-timer-and-diet/id6780178790)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastix Premium — Monthly | $9.99 | per month |
| Fastix Premium — Yearly Discount | $59.99 | per year |


## Frequently asked questions

### Is JustFast free?

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

### Is Fastix free?

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

### Do JustFast or Fastix have ads?

Neither JustFast nor Fastix 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.*