# Fasty vs Zenit

The clearest difference is in-app purchases: Zenit at none against Fasty's 3. Zenit also leads on update cadence (every 3 weeks vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fasty sells 3 in-app purchases, starting at $9.99 per 7 days. Zenit asks for nothing beyond the download.

Fasty ships an update every 9 months, Zenit every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fasty | Zenit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/fasty-intermittent-fasting/id6744280079/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 43 MB |
| Requires iOS | 16.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gabe Rogers](https://appshunter.io/developer/1584630702) | [MYNTER S.A.S.](https://appshunter.io/developer/1614159746) |

## What reviewers say

### Fasty

[App page](https://appshunter.io/ios/app/fasty-intermittent-fasting/id6744280079)

This app offers a straightforward and privacy-focused way to track intermittent fasting. It provides tools for timing fasts, monitoring weight and BMI, and maintaining progress streaks without requiring sign-up or displaying ads.

**Highlights:** One-tap fasting timer, Multiple fasting programs, Custom fast durations, Weight tracking, BMI tracking, Progress and streak tracking, Ad-free experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $24.99 | per month |
| Annual | $34.99 | per year |


### Zenit

[App page](https://appshunter.io/ios/app/zenit/id6751211421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fasty free?

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

### Is Zenit free?

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

### Do Fasty or Zenit have ads?

Neither Fasty nor Zenit shows ads.

### Which is updated more often, Fasty or Zenit?

Fasty ships an update every 9 months, and Zenit every 3 weeks. Most recently, Fasty was updated on October 30, 2026 and Zenit 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.*