# Autophagy Tracker vs ByteFast

The clearest difference is update cadence: Autophagy Tracker at every 3 days against ByteFast's weekly. On price, ads, 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.

Autophagy Tracker ships an update every 3 days, ByteFast weekly. The most recent releases landed on September 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Autophagy Tracker | ByteFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 2 MB | 10 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [tva Pte. Ltd.](https://appshunter.io/developer/1838664273) | [BYTESEED LLC](https://appshunter.io/developer/1896674402) |

## What reviewers say

### Autophagy Tracker

[App page](https://appshunter.io/ios/app/autophagy-tracker/id6759151370)

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

**In-app purchases:** none


### 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 Autophagy Tracker free?

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

### Is ByteFast free?

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

### Do Autophagy Tracker or ByteFast have ads?

Neither Autophagy Tracker nor ByteFast shows ads.

### Which is updated more often, Autophagy Tracker or ByteFast?

Autophagy Tracker ships an update every 3 days, and ByteFast weekly. Most recently, Autophagy Tracker was updated on September 12, 2026 and ByteFast on September 26, 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.*