# Vazio vs FastJoy

The clearest difference is in-app purchases: FastJoy at none against Vazio's 3. FastJoy also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). Vazio's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Vazio sells 3 in-app purchases, starting at $0.99 per 7 days. FastJoy asks for nothing beyond the download.

## The numbers

| Metric | Vazio | FastJoy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vazio-simple-fasting-tracker/id6758858128/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 41 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Andres Rojas](https://appshunter.io/developer/1875305474) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Vazio

[App page](https://appshunter.io/ios/app/vazio-simple-fasting-tracker/id6758858128)

This app offers a minimalist approach to intermittent fasting with a focus on privacy and a clean interface. It provides tools to track fasting periods, understand metabolic stages, and view progress directly on your device's lock screen.

**Highlights:** Live Activities for Dynamic Island and Lock Screen, Flexible fasting presets (16:8, 18:6, 20:4, OMAD), Metabolic stage tracking (Sugar Burning, Ketosis, Autophagy), Privacy-focused data storage on-device/iCloud, Home Screen widgets for quick start/stop, Dark Zen interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $0.99 | per 7 days |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $12.99 | per year |


### FastJoy

[App page](https://appshunter.io/ios/app/fastjoy-fasting-tracker/id6780417525)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vazio free?

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

### Is FastJoy free?

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

### Do Vazio or FastJoy have ads?

FastJoy shows ads; Vazio does not.

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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.*