# IntHea vs Marble

The clearest difference is in-app purchases: IntHea at none against Marble's 3. IntHea also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Marble sells 3 in-app purchases, starting at $1.99 per month. IntHea asks for nothing beyond the download.

IntHea ships an update every 10 days, Marble fortnightly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IntHea | Marble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marble-intermittent-fasting/id6477356664/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 56 MB | 280 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Van Tri Truong](https://appshunter.io/developer/1688913821) | [Maksim Vakarchuk](https://appshunter.io/developer/1504357263) |

## What reviewers say

### IntHea

[App page](https://appshunter.io/ios/app/inthea/id6449401822)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marble

[App page](https://appshunter.io/ios/app/marble-intermittent-fasting/id6477356664)

This app helps you track intermittent fasting with personalized schedules and timers. It offers home screen widgets for easy monitoring and prioritizes user privacy by syncing data via iCloud without collection.

**Highlights:** Personalized fasting schedules, Next fast timer, Home screen widgets, iCloud data sync, No data collection, Ad-free experience

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Annual Subscription | $14.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is IntHea free?

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

### Is Marble free?

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

### Do IntHea or Marble have ads?

Neither IntHea nor Marble shows ads.

### Which is updated more often, IntHea or Marble?

IntHea ships an update every 10 days, and Marble fortnightly. Most recently, IntHea was updated on October 18, 2026 and Marble on October 10, 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.*