# IF Dietº vs Fasty

The clearest difference is rating: Fasty at 4.9 against IF Dietº's 4.0. Fasty also leads on review sentiment (100% vs 59%). IF Dietº's advantage is update cadence (monthly vs every 16 months) and ratings volume (101 vs 7). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Fasty holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: IF Dietº has 101 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 59% of IF Dietº's written reviews are positive against 100% of Fasty's.

IF Dietº ships an update monthly, Fasty every 16 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IF Dietº | Fasty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (101 ratings)](https://appshunter.io/ios/app/if-diet/id733449547/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/fasty-fasting-tracker/id1596329455/reviews)** |
| Number of ratings | **101** | 7 |
| Positive reviews | 59.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Free | Free |
| Size | 16 MB | 2 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Apption](https://appshunter.io/developer/485729500) | [Forest and the Trees, LLC](https://appshunter.io/developer/1596329457) |

## What reviewers say

### IF Dietº

[App page](https://appshunter.io/ios/app/if-diet/id733449547)

This app assists users in achieving their desired physique through intermittent fasting. It offers tools for tracking weight, calculating BMI, and managing calorie intake with a large database. The app also provides customizable fasting schedules and reminders to support your health and fitness goals.

**Highlights:** Customized Fasting Days, Fasting Alarm Settings, Weight Manager, BMI Calculation, Calorie-intake Calculator, Daily Diet Diary

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is IF Dietº free?

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

### Is Fasty free?

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

### Which has better reviews, IF Dietº or Fasty?

Fasty is rated higher. IF Dietº averages 4.0 out of 5 from 101 ratings, while Fasty averages 4.9 from 7 ratings.

### Do IF Dietº or Fasty have ads?

Neither IF Dietº nor Fasty shows ads.

### Which is updated more often, IF Dietº or Fasty?

IF Dietº ships an update monthly, and Fasty every 16 months. Most recently, IF Dietº was updated on October 23, 2026 and Fasty on October 24, 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.*