# SheFast vs ByteFast

The clearest difference is in-app purchases: ByteFast at none against SheFast's 3. ByteFast also leads on update cadence (every 2 weeks vs every 4 weeks). SheFast's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. SheFast sells 3 in-app purchases, starting at $3.99 per 7 days. ByteFast asks for nothing beyond the download.

SheFast ships an update every 4 weeks, ByteFast every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SheFast | ByteFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Subscription | — |
| Size | 37 MB | 11 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Omnivera LLC](https://appshunter.io/developer/1895315592) | [ByteSeed](https://appshunter.io/developer/1896674402) |

## What reviewers say

### SheFast

[App page](https://appshunter.io/ios/app/shefast-cycle-fasting-tracker/id6763439355)

This app offers cycle-synced fasting plans that adapt to your body's natural phases. It provides personalized fasting windows, gentle reminders, and progress tracking to support your wellness journey without demanding perfection.

**Highlights:** Cycle-aware fasting plans, Personalized fasting windows, Rest days to protect streaks, Guided daily wellness course, Fasting history and progress insights, Water and protein tracking, Gentle reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| SheFast Premium Monthly | $14.99 | per month |
| Yearly Access | $64.99 | per year |


### ByteFast

[App page](https://appshunter.io/ios/app/bytefast-fasting-tracker-168/id6769618458)

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

**In-app purchases:** none


## Frequently asked questions

### Is SheFast free?

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

### Is ByteFast free?

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

### Do SheFast or ByteFast have ads?

Neither SheFast nor ByteFast shows ads.

### Which is updated more often, SheFast or ByteFast?

SheFast ships an update every 4 weeks, and ByteFast every 2 weeks. Most recently, SheFast was updated on October 31, 2026 and ByteFast on October 25, 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.*