# IF Dietº vs Rhythm

The clearest difference is rating: Rhythm at 4.7 against IF Dietº's 4.0. Rhythm also leads on review sentiment (89% vs 59%) and ratings volume (454 vs 101). IF Dietº's advantage is update cadence (monthly vs every 13 months) and iOS requirement (6.0 vs 17.6). 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.

Rhythm holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 101 and 454 respectively. Written reviews point the same way: 59% of IF Dietº's written reviews are positive against 89% of Rhythm's.

IF Dietº ships an update monthly, Rhythm every 13 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | IF Dietº | Rhythm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (101 ratings)](https://appshunter.io/ios/app/if-diet/id733449547/reviews) | **[4.7 (454 ratings)](https://appshunter.io/ios/app/rhythm-fasting-tracker/id1377199450/reviews)** |
| Number of ratings | 101 | **454** |
| Positive reviews | 59.2% of reviews | **88.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Free | Free |
| Size | 16 MB | 3 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Apption](https://appshunter.io/developer/485729500) | [Bijan Cronin](https://appshunter.io/developer/1377199449) |

## 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


### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-fasting-tracker/id1377199450)

This app simplifies intermittent fasting with a daily tracker. It supports various fasting schedules, from beginner-friendly to advanced, and helps users monitor their progress over time. Get notifications when your fast is complete.

**Highlights:** Daily fasting tracker, Flexible schedule support, Weekly progress tracking, Customizable fasting goals, One-click start, Progress monitoring, Completion notifications

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💎 Simple and easy to use
- 🆓 Free app with no ads or subscriptions
- ⏱️ Straightforward fasting timer
- 📊 Tracks fasting progress
- 🔍 Allows editing of start/end times

**What reviewers complain about**

- ⏰ Can't track fasts longer than 24 hours
- 📅 Limited history view (only past week)
- 🔔 Lacks customizable notifications/reminders

**Reported bugs**

- Can't add past fasts
- Inconsistent weekly progress tracking

**Requested features**

- Ability to track longer fasts (e.g., 48-72 hours)
- Option to view fasting history beyond the past week
- Customizable notifications and reminders
- Integration with health/fitness tracking apps
- Weight tracking and progress visualization


## Frequently asked questions

### Is IF Dietº free?

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

### Is Rhythm free?

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

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

Rhythm is rated higher. IF Dietº averages 4.0 out of 5 from 101 ratings, while Rhythm averages 4.7 from 454 ratings.

### Do IF Dietº or Rhythm have ads?

Neither IF Dietº nor Rhythm shows ads.

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

IF Dietº ships an update monthly, and Rhythm every 13 months. Most recently, IF Dietº was updated on October 17, 2026 and Rhythm on October 18, 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.*