# Fastyer vs Vazio

The clearest difference is update cadence: Fastyer at daily against Vazio's every 4 days. Fastyer also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Fastyer sells 3 in-app purchases, starting at $0.99 per month and Vazio sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fastyer ships an update daily, Vazio every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fastyer | Vazio |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 10 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Alfredo Zimperz](https://appshunter.io/developer/1803612667) | [Andres Rojas](https://appshunter.io/developer/1875305474) |

## What reviewers say

### Fastyer

[App page](https://appshunter.io/ios/app/fastyer/id6755938549)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $0.99 | per month |
| Premium yearly subscription | $7.99 | per year |
| Lifetime access | $22.99 | one-time |


### 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 |


## Frequently asked questions

### Is Fastyer free?

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

### Is Vazio free?

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

### Do Fastyer or Vazio have ads?

Neither Fastyer nor Vazio shows ads.

### Which is updated more often, Fastyer or Vazio?

Fastyer ships an update daily, and Vazio every 4 days. Most recently, Fastyer was updated on October 25, 2026 and Vazio on October 28, 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.*