# InterFasting vs BurningON Diet Challenge

The clearest difference is in-app purchases: BurningON Diet Challenge at none against InterFasting's 3. BurningON Diet Challenge also leads on review sentiment (100% vs 88%) and iOS requirement (13.0 vs 15.0). InterFasting's advantage is update cadence (every 2 days vs every 4 days). On price, ads and device support there is nothing between them.

Both are free to download. InterFasting sells 3 in-app purchases, starting at $3.99 per month. BurningON Diet Challenge asks for nothing beyond the download.

InterFasting ships an update every 2 days, BurningON Diet Challenge every 4 days. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | InterFasting | BurningON Diet Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (267 ratings)](https://appshunter.io/ios/app/interfasting-fasting-timer/id1467464443/reviews)** | — |
| Number of ratings | **267** | — |
| Positive reviews | 88.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 85 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kim Yunhoo](https://appshunter.io/developer/1464827169) | [KaHee Jeon](https://appshunter.io/developer/1827018623) |

## What reviewers say

### InterFasting

[App page](https://appshunter.io/ios/app/interfasting-fasting-timer/id1467464443)

This app helps users succeed with intermittent fasting through scientific and systematic management. It offers AI-powered schedule and calorie recommendations, a simple timer, and comprehensive tracking of fasting hours, meals, workouts, and water intake. Users can visualize progress and receive detailed reports to build healthy habits.

**Highlights:** AI fasting schedule recommendations, AI food calorie calculation, Intermittent fasting timer, Customizable fasting plans, All-in-one health tracking, Fasting analysis and reports, Home screen widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $3.99 | per month |
| Gandan Premium Annual | $12.99 | per year |
| Premium User | $12.99 | one-time |


### BurningON Diet Challenge

[App page](https://appshunter.io/ios/app/burningon-diet-challenge/id6752829944)

This app helps manage your diet, weight, and health data in one place. It offers meal plans, a fasting timer, workout tracking, and progress photos. Visualize your journey with detailed statistics and analysis.

**Highlights:** 4-week program schedule, Phase-specific meal plans, Intermittent fasting timer, InBody data tracking, Progress photo logging, Workout and GPS tracking, Detailed statistics and graphs

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

**In-app purchases:** none


## Frequently asked questions

### Is InterFasting free?

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

### Is BurningON Diet Challenge free?

BurningON Diet Challenge is free to download, with no in-app purchases.

### Do InterFasting or BurningON Diet Challenge have ads?

Both InterFasting and BurningON Diet Challenge show ads.

### Which is updated more often, InterFasting or BurningON Diet Challenge?

InterFasting ships an update every 2 days, and BurningON Diet Challenge every 4 days. Most recently, InterFasting was updated on September 22, 2026 and BurningON Diet Challenge on September 11, 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.*