# Fasty vs AllyFast

The clearest difference is price: Fasty at Free against AllyFast's $0.99. Fasty also leads on iOS requirement (14.0 vs 18.2). AllyFast's advantage is update cadence (monthly vs every 16 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

Fasty is free to download; AllyFast costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Fasty against 5.0 for AllyFast. Both are backed by a comparable volume of ratings — 7 and 18 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Fasty ships an update every 16 months, AllyFast monthly. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Fasty | AllyFast |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/fasty-fasting-tracker/id1596329455/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/allyfast-fasting-tracker/id6743131202/reviews)** |
| Number of ratings | 7 | **18** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 2 MB |
| Requires iOS | **14.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Forest and the Trees, LLC](https://appshunter.io/developer/1596329457) | [Wonseok Lee](https://appshunter.io/developer/1801568032) |

## What reviewers say

### Fasty

[App page](https://appshunter.io/ios/app/fasty-fasting-tracker/id1596329455)

This app helps users track intermittent fasting by monitoring fasting days and eating periods. It supports weight tracking in both pounds and kilograms and does not collect user data.

**Highlights:** Intermittent fasting tracking, Weight tracking, Fasting day monitoring, Eating period logging, Pound and kilogram support, No data collection

**In-app purchases:** none


### AllyFast

[App page](https://appshunter.io/ios/app/allyfast-fasting-tracker/id6743131202)

This app offers a streamlined fasting timer with a clean, SwiftUI-based interface. It prioritizes user privacy with local data storage and provides science-based insights into fasting stages. Enjoy a clutter-free, ad-free experience with no subscriptions.

**Highlights:** SwiftUI fasting timer, Local data storage, No subscriptions or ads, Fasts up to 72 hours, Editable fasting history, Science-based fasting insights

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fasty free?

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

### Is AllyFast free?

AllyFast costs $0.99, with no in-app purchases.

### Which has better reviews, Fasty or AllyFast?

AllyFast is rated higher. Fasty averages 4.9 out of 5 from 7 ratings, while AllyFast averages 5.0 from 18 ratings.

### Do Fasty or AllyFast have ads?

Neither Fasty nor AllyFast shows ads.

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

Fasty ships an update every 16 months, and AllyFast monthly. Most recently, Fasty was updated on October 1, 2026 and AllyFast on October 16, 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.*