# FitIntervals vs MARYN

The clearest difference is price: MARYN at Free against FitIntervals's $0.99. MARYN also leads on update cadence (every 3 days vs every 3 months). FitIntervals's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

MARYN is free to download; FitIntervals costs $0.99 up front. MARYN sells 2 in-app purchases, starting at $19.00 per month. FitIntervals asks for nothing beyond the download.

FitIntervals ships an update every 3 months, MARYN every 3 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FitIntervals | MARYN |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 4 MB | 76 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Harshad Jadav](https://appshunter.io/developer/1687259507) | [MT Fitness OU](https://appshunter.io/developer/6779620986) |

## What reviewers say

### FitIntervals

[App page](https://appshunter.io/ios/app/fitintervals-hiit-timer/id6753976971)

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

**In-app purchases:** none


### MARYN

[App page](https://appshunter.io/ios/app/maryn/id6779620984)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MARYN Pro Monthly | $19.00 | per month |
| MARYN Pro Yearly | $190.00 | per year |


## Frequently asked questions

### Is FitIntervals free?

FitIntervals costs $0.99, with no in-app purchases.

### Is MARYN free?

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

### Do FitIntervals or MARYN have ads?

Neither FitIntervals nor MARYN shows ads.

### Which is updated more often, FitIntervals or MARYN?

FitIntervals ships an update every 3 months, and MARYN every 3 days. Most recently, FitIntervals was updated on October 15, 2026 and MARYN on October 4, 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.*