# iFast vs AllyFastLite

The clearest difference is ads: AllyFastLite at none against iFast's shown. AllyFastLite also leads on review sentiment (100% vs 86%). iFast's advantage is update cadence (every 3 days vs every 5 months) and monetization model (ad-supported vs paid). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for iFast against 4.8 for AllyFastLite. Both are backed by a comparable volume of ratings — 23 and 9 respectively. Written reviews are what separate them: 86% of iFast's written reviews are positive against 100% of AllyFastLite's.

iFast ships an update every 3 days, AllyFastLite every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iFast | AllyFastLite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/ifast-simple-fast-tracker/id1670053693/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/allyfastlite-fasting-tracker/id6748102745/reviews)** |
| Number of ratings | **23** | 9 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | **Ad-supported** | Paid |
| Size | 62 MB | 3 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manu Mehrotra](https://appshunter.io/developer/1607252474) | [Wonseok Lee](https://appshunter.io/developer/1801568032) |

## What reviewers say

### iFast

[App page](https://appshunter.io/ios/app/ifast-simple-fast-tracker/id1670053693)

This app helps you track your fasting periods and monitor your progress towards your health goals. It supports various popular fasting methods, including circadian rhythm fasting and intermittent fasting schedules.

**Highlights:** Track fasting periods, Monitor progress, Support for popular fasting types, Circadian rhythm fasting, Intermittent fasting schedules, Custom prolonged fasts

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

**In-app purchases:** none


### AllyFastLite

[App page](https://appshunter.io/ios/app/allyfastlite-fasting-tracker/id6748102745)

This app offers a clean and private intermittent fasting timer. It supports various fasting schedules and provides insights into fasting stages. All data is stored locally on your device for enhanced privacy.

**Highlights:** Intermittent fasting timer, Supports multiple fasting plans, Extended fast tracking, Editable fasting history, Fasting stage insights, Local data import/export, Dark Mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iFast free?

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

### Is AllyFastLite free?

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

### Which has better reviews, iFast or AllyFastLite?

AllyFastLite is rated higher. iFast averages 4.7 out of 5 from 23 ratings, while AllyFastLite averages 4.8 from 9 ratings.

### Do iFast or AllyFastLite have ads?

iFast shows ads; AllyFastLite does not.

### Which is updated more often, iFast or AllyFastLite?

iFast ships an update every 3 days, and AllyFastLite every 5 months. Most recently, iFast was updated on October 24, 2026 and AllyFastLite 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.*