# Empty vs WeightFast

The clearest difference is in-app purchases: WeightFast at none against Empty's 1. WeightFast also leads on review sentiment (100% vs 70%). On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Empty | WeightFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (95 ratings)](https://appshunter.io/ios/app/empty-fasting-tracker/id1349345869/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 8 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Nhat Tran](https://appshunter.io/developer/1578060834) |

## 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 |


### WeightFast

[App page](https://appshunter.io/ios/app/weightfast-fasting-tracker/id1579272438)

This app helps you track intermittent fasting periods. It allows you to start and stop fasting sessions, receive notifications before your fast ends, and view detailed historical data and analytics. It supports popular fasting windows like 16/8.

**Highlights:** Intermittent fasting tracking, End-of-fast notifications, Detailed history charts, Analytics and progress tracking, Support for popular fasting windows

**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 WeightFast free?

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

### Do Empty or WeightFast have ads?

Both Empty and WeightFast show ads.

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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.*