# interfasting vs 30 Day Abs

The clearest difference is in-app purchases: 30 Day Abs at none against interfasting's 2. 30 Day Abs also leads on ratings volume (3 vs 1) and iOS requirement (16.1 vs 18.5). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. interfasting sells 2 in-app purchases, starting at $9.99 per month. 30 Day Abs asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for interfasting against 5.0 for 30 Day Abs. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

interfasting ships an update every 5 days, 30 Day Abs weekly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | interfasting | 30 Day Abs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interfasting/id6751507755/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/30-day-abs-core-workout/id6799740458/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | Free |
| Size | 3 MB | 99 MB |
| Requires iOS | 18.5 | **16.1** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Morel](https://appshunter.io/developer/1497560273) | [Olivio Waldemar Becker Neto](https://appshunter.io/developer/6799715574) |

## What reviewers say

### interfasting

[App page](https://appshunter.io/ios/app/interfasting/id6751507755)

This app helps users achieve wellness goals through intermittent fasting. It offers custom fasting plans, real-time progress tracking, and detailed statistics on fasting success and weight changes. The app prioritizes privacy with local data storage and no account creation required.

**Highlights:** Custom fasting plans (16:8, 18:6, 20:4), Real-time progress countdown, Session history and statistics, Weight tracking and visualization, Success/failure tracking, Data export for healthcare providers, Local data storage for privacy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InterFasting Pro | $9.99 | per month |
| InterFasting Pro (Yearly) | $108.99 | per year |


### 30 Day Abs

[App page](https://appshunter.io/ios/app/30-day-abs-core-workout/id6799740458)

Follow a guided 30-day core workout plan with audio cues for each exercise, requiring no equipment or screen time. Customize your plan based on your fitness level and focus areas for effective at-home training.

**Highlights:** Audio-guided workouts, No equipment needed, Customizable 30-day plans, Beginner to hard difficulty, Focus on specific ab areas, Offline workout capability, Apple Watch integration

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

**In-app purchases:** none


## Frequently asked questions

### Is interfasting free?

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

### Is 30 Day Abs free?

30 Day Abs is free to download, with no in-app purchases.

### Which has better reviews, interfasting or 30 Day Abs?

interfasting and 30 Day Abs are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do interfasting or 30 Day Abs have ads?

Neither interfasting nor 30 Day Abs shows ads.

### Which is updated more often, interfasting or 30 Day Abs?

interfasting ships an update every 5 days, and 30 Day Abs weekly. Most recently, interfasting was updated on October 9, 2026 and 30 Day Abs on October 14, 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.*