# Simply Fast vs breatheX Pro

The clearest difference is update cadence: breatheX Pro at weekly against Simply Fast's every 2 months. breatheX Pro also leads on rating (4.9 vs 4.5) and ratings volume (13 vs 2). Simply Fast's advantage is price ($0.99 vs $4.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Simply Fast costs $0.99 and breatheX Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

breatheX Pro holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: breatheX Pro has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Simply Fast ships an update every 2 months, breatheX Pro weekly. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Simply Fast | breatheX Pro |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/simply-fast/id1463942932/reviews) | **[4.9 (13 ratings)](https://appshunter.io/ios/app/breathex-pro/id1540642268/reviews)** |
| Number of ratings | 2 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 82 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Mpathy Tech](https://appshunter.io/developer/1463942931) | [PEAKX LLC](https://appshunter.io/developer/1522996280) |

## What reviewers say

### Simply Fast

[App page](https://appshunter.io/ios/app/simply-fast/id1463942932)

This minimalist app helps you achieve time-restricted fasting goals with a simple, intuitive interface. Configure fasting start times and durations, and receive timely notifications for your fasting and eating windows. No account or sign-in is required.

**Highlights:** Simple and easy-to-use design, Customizable fasting start times, Adjustable fasting durations (12-23 hours), Fasting and eating window notifications, No sign-in or account required, Privacy-focused, no data collection

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### breatheX Pro

[App page](https://appshunter.io/ios/app/breathex-pro/id1540642268)

This app offers a flexible tool for guided breathing exercises. Create custom routines or choose from pre-made patterns, with options for sound and haptic feedback. Track your progress and integrate with health apps.

**Highlights:** Dozens of pre-made breathing routines, Create custom multi-step routines, Adjustable sound and haptic feedback, Track results over time, Integrate with Apple Health, Watch Companion App for practice and data sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simply Fast free?

Simply Fast costs $0.99, with no in-app purchases.

### Is breatheX Pro free?

breatheX Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Simply Fast or breatheX Pro?

breatheX Pro is rated higher. Simply Fast averages 4.5 out of 5 from 2 ratings, while breatheX Pro averages 4.9 from 13 ratings.

### Do Simply Fast or breatheX Pro have ads?

Neither Simply Fast nor breatheX Pro shows ads.

### Which is updated more often, Simply Fast or breatheX Pro?

Simply Fast ships an update every 2 months, and breatheX Pro weekly. Most recently, Simply Fast was updated on September 22, 2026 and breatheX Pro on September 6, 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.*