# FastiMate vs Just Fast

The clearest difference is in-app purchases: Just Fast at none against FastiMate's 3. Just Fast also leads on ratings volume (7 vs 1) and device support (3 vs 1). FastiMate's advantage is ads (none vs shown). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. FastiMate sells 3 in-app purchases, starting at $4.99 per 7 days. Just Fast asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FastiMate against 5.0 for Just Fast. That said, the two scores are not equally well evidenced: Just Fast has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 20, 2026.

## The numbers

| Metric | FastiMate | Just Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fastimate-fasting-timer/id6630364307/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/just-fast-fasting-timer/id6752963711/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 31 MB | 47 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [lutfu dogan akbas](https://appshunter.io/developer/1762317148) | [Adrian Cabala](https://appshunter.io/developer/1841708643) |

## What reviewers say

### FastiMate

[App page](https://appshunter.io/ios/app/fastimate-fasting-timer/id6630364307)

Build a sustainable fasting routine with personalized plans and reliable tracking. This app offers hydration and habit tracking, with advanced features for consistency and insights. Designed for real life, it focuses on gentle approaches for long-term results.

**Highlights:** Fasting Timer with reliable tracking, Fasting History & basic stats, Hydration tracking with custom goals, Habit tracking for daily consistency, Adaptive weekly plans, Streak protection, Data export (CSV)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| 1 Month Subscription | $9.99 | per month |
| 1 Year Subscription | $59.99 | per year |


### 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


## Frequently asked questions

### Is FastiMate free?

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

### Is Just Fast free?

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

### Which has better reviews, FastiMate or Just Fast?

FastiMate and Just Fast are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do FastiMate or Just Fast have ads?

Just Fast shows ads; FastiMate does not.

### Which is updated more often, FastiMate or Just Fast?

FastiMate ships an update every 3 weeks, and Just Fast every 3 weeks. Most recently, FastiMate was updated on September 20, 2026 and Just Fast on September 20, 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.*