# Just Fast vs Fasting Timer

The clearest difference is rating: Just Fast at 5.0 against Fasting Timer's 4.5. Just Fast also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (7 vs 2). Fasting Timer's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

Just Fast holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Just Fast ships an update every 3 weeks, Fasting Timer every 4 months. The most recent releases landed on September 20, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Just Fast | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/just-fast-fasting-timer/id6752963711/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/fasting-timer-nova-fast/id6761011600/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 47 MB | 10 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Adrian Cabala](https://appshunter.io/developer/1841708643) | [Jakub Laszczyk](https://appshunter.io/developer/568719342) |

## What reviewers say

### Just Fast

[App page](https://appshunter.io/ios/app/just-fast-fasting-timer/id6752963711)

This app tracks both your fasting periods and your eating windows, offering a unique dual-countdown feature. It visualizes metabolic phases like fat burning and ketosis, supports various fasting methods, and provides insights into your progress. It's designed to be user-friendly and privacy-conscious, working entirely offline.

**Highlights:** Eating window countdown, Fasting phases visualization, Support for multiple fasting methods, Streak tracking with grace periods, Pattern insights, Weight and BMI tracking, Smart notifications, 100% offline functionality

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

**In-app purchases:** none


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-nova-fast/id6761011600)

This app tracks intermittent fasting, visualizing your body's biological phases and progress. It offers customizable timers, water tracking, a journal, and gamified elements to motivate users. Monitor body measurements and weight to see your transformation.

**Highlights:** Biological phase tracking, Customizable fasting timers, Home screen widgets, Body measurements and weight tracking, Water tracking with reminders, Fasting journal, Gamified progress with XP and badges

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

**In-app purchases:** none


## Frequently asked questions

### Is Just Fast free?

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

### Is Fasting Timer free?

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

### Which has better reviews, Just Fast or Fasting Timer?

Just Fast is rated higher. Just Fast averages 5.0 out of 5 from 7 ratings, while Fasting Timer averages 4.5 from 2 ratings.

### Do Just Fast or Fasting Timer have ads?

Just Fast shows ads; Fasting Timer does not.

### Which is updated more often, Just Fast or Fasting Timer?

Just Fast ships an update every 3 weeks, and Fasting Timer every 4 months. Most recently, Just Fast was updated on September 20, 2026 and Fasting Timer on September 7, 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.*