# IF vs Fasting Diary

The clearest difference is ads: Fasting Diary at none against IF's shown. Fasting Diary also leads on iOS requirement (13.0 vs 15.0). IF's advantage is review sentiment (61% vs 43%) and device support (4 vs 2). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. IF sells 14 in-app purchases, starting at $9.99 per month and Fasting Diary sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

IF ships an update every 3 weeks, Fasting Diary fortnightly. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | IF | Fasting Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.7K ratings)](https://appshunter.io/ios/app/if-intermittent-fasting-168/id1442203676/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | **61.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 172 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [5W APPS GmbH](https://appshunter.io/developer/528547598) | [Dimo Co.,Ltd.](https://appshunter.io/developer/495557603) |

## What reviewers say

### IF

[App page](https://appshunter.io/ios/app/if-intermittent-fasting-168/id1442203676)

This app simplifies intermittent fasting for weight loss and improved health. It offers personalized meal plans, a fasting tracker with reminders, and a supportive community. Achieve your fitness goals without restrictive dieting.

**Highlights:** Fasting tracker with customizable intervals, Personalized meal plans and recipes, Water intake reminders, Weight and measurement tracking, Motivational features and community support, Daily lessons and expert advice

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month premium | $9.99 | per month |
| 1 month premium | $12.49 | per month |
| Premium discount | $12.99 | per 3 months |
| Premium discount | $14.49 | per 3 months |
| 3 months premium | $22.99 | per 3 months |
| 3 months premium | $24.99 | per 3 months |
| 12 months premium | $39.99 | per year |
| 12 months premium | $49.99 | per year |
| 12 months premium | $59.99 | per year |
| Lifetime | $4.99 | one-time |
| Lifetime | $14.99 | one-time |
| Lifetime | $16.99 | one-time |
| Lifetime | $19.99 | one-time |
| Easy Keto | $19.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful notifications
- 💡 Engaging and motivating
- 😊 Favorite intermittent fasting app
- 👍 Simple to follow

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 🐛 Conversion and calendar issues
- 🐛 Inconsistent time changes
- 💰 Paid version not worth it
- 🐛 Login and access problems

**Reported bugs**

- App locking up and not resetting
- Losing premium version after update
- App not working after one day of use
- Paid version not granting access

**Requested features**

- More guidance on the overall process
- Apple Watch companion app
- Improved nutrition section and recipes
- Manual time adjustment option


### Fasting Diary

[App page](https://appshunter.io/ios/app/fasting-diary-if-tracker/id6483368664)

This app helps users achieve their weight loss and health goals through intermittent fasting. It provides guidance, motivation, and customizable fasting schedules to support users in burning fat, boosting energy, and improving metabolic health.

**Highlights:** Customizable fasting schedules, Plans for beginners and experts, One-tap start/stop for fasting, Adjustable eating and fasting times, Fasting alerts and reminders

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $0.99 | per month |
| Pro 3 months | $1.99 | per 3 months |
| Pro yearly | $2.99 | per year |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is IF free?

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

### Is Fasting Diary free?

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

### Do IF or Fasting Diary have ads?

IF shows ads; Fasting Diary does not.

### Which is updated more often, IF or Fasting Diary?

IF ships an update every 3 weeks, and Fasting Diary fortnightly. Most recently, IF was updated on October 29, 2026 and Fasting Diary on October 15, 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.*