# Empty vs iFast

The clearest difference is in-app purchases: iFast at none against Empty's 1. iFast also leads on update cadence (every 3 days vs every 6 months) and review sentiment (86% vs 70%). Empty's advantage is ratings volume (95 vs 22). On price, rating, ads and device support there is nothing between them.

Both are free to download. Empty sells 1 one-off in-app purchase. iFast asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Empty against 4.6 for iFast. Both are backed by a comparable volume of ratings — 95 and 22 respectively. Written reviews are what separate them: 70% of Empty's written reviews are positive against 86% of iFast's.

Empty ships an update every 6 months, iFast every 3 days. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Empty | iFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (95 ratings)](https://appshunter.io/ios/app/empty-fasting-tracker/id1349345869/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/ifast-simple-fast-tracker/id1670053693/reviews)** |
| Number of ratings | **95** | 22 |
| Positive reviews | 70.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 62 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Manu Mehrotra](https://appshunter.io/developer/1607252474) |

## What reviewers say

### Empty

[App page](https://appshunter.io/ios/app/empty-fasting-tracker/id1349345869)

This app helps you track various fasting methods, including intermittent, circadian rhythm, and custom plans. It provides smart reminders and detailed progress views to support your health goals.

**Highlights:** Intermittent Fasting Tracking, Circadian Rhythm Fasting, Custom Fasting Plans, Smart Reminders, Progress Visualization, Fasting History

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Empty free?

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

### Is iFast free?

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

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

iFast is rated higher. Empty averages 4.5 out of 5 from 95 ratings, while iFast averages 4.6 from 22 ratings.

### Do Empty or iFast have ads?

Both Empty and iFast show ads.

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

Empty ships an update every 6 months, and iFast every 3 days. Most recently, Empty was updated on September 26, 2026 and iFast on September 22, 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.*