# Intermittent Fasting vs Slimming Diary

The clearest difference is price: Intermittent Fasting at Free against Slimming Diary's $0.99. Intermittent Fasting also leads on update cadence (every 2 months vs every 8 months). Slimming Diary's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

Intermittent Fasting is free to download; Slimming Diary costs $0.99 up front. Intermittent Fasting sells 6 in-app purchases, starting at $3.99 per 7 days. Slimming Diary asks for nothing beyond the download.

Intermittent Fasting ships an update every 2 months, Slimming Diary every 8 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting | Slimming Diary |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/intermittent-fasting-purefast/id823305987/reviews)** | — |
| Number of ratings | **15K** | — |
| Positive reviews | 90.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Subscription | **Paid** |
| Size | 334 MB | 7 MB |
| Requires iOS | 16.0 | **12.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Fast Builder Limited](https://appshunter.io/developer/596300475) | [Alex Weir](https://appshunter.io/developer/1239930447) |

## What reviewers say

### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-purefast/id823305987)

Achieve your weight loss goals with personalized workout and meal plans. Track your progress and receive expert guidance to ensure safe and effective exercise. Take control of your health and fitness journey.

**Highlights:** Personalized workout plans, Personalized meal plans, Variety of exercises, Progress tracking, Expert guidance

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lose weight in just 12 weeks! | $3.99 | per 7 days |
| Lose Weight Fast with PRO | $12.99 | per month |
| Lose weight in just 30 days! | $19.99 | per 3 months |
| Lock-in our lowest price! | $29.99 | per year |
| Weight Loss Premium | $39.99 | per year |
| Weight Loss Premium | $49.99 | per year |

**What reviewers like**

- 🚀 Effective workouts
- 👍 Variety of exercises
- 💪 Helps with weight loss
- 🙌 Motivating and encouraging
- 🕰️ Short and manageable workouts

**What reviewers complain about**

- 🔒 Requires internet connection
- 🤔 Limited customization options
- 🤕 Can be challenging for beginners
- 🕰️ Workouts can be repetitive

**Reported bugs**

- Workout duration inconsistencies
- Compatibility issues with certain devices

**Requested features**

- Offline mode
- More personalized workout plans
- Ability to track water intake
- Reminders and notifications


### Slimming Diary

[App page](https://appshunter.io/ios/app/slimming-diary/id1239930448)

This app helps you track your health and fitness journey by monitoring daily exercise, BMI, body dimensions, food intake, vital signs, and weight. It also includes features for storing meals, recipes, and shopping lists, along with a personal diary.

**Highlights:** Activity Monitor, Body Mass Index (BMI) Tracker, Dimension Tracker, Food Diary & Calorie Intake, Vital Signs Monitoring (BP, SPO2), Weight Tracker, Water Intake Monitor

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

**In-app purchases:** none


## Frequently asked questions

### Is Intermittent Fasting free?

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

### Is Slimming Diary free?

Slimming Diary costs $0.99, with no in-app purchases.

### Do Intermittent Fasting or Slimming Diary have ads?

Intermittent Fasting shows ads; Slimming Diary does not.

### Which is updated more often, Intermittent Fasting or Slimming Diary?

Intermittent Fasting ships an update every 2 months, and Slimming Diary every 8 months. Most recently, Intermittent Fasting was updated on October 29, 2026 and Slimming Diary 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.*