# Provet Mobile vs MARLIN Study

The clearest difference is update cadence: Provet Mobile at every 2 weeks against MARLIN Study's every 6 weeks. MARLIN Study's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Provet Mobile ships an update every 2 weeks, MARLIN Study every 6 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Provet Mobile | MARLIN Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 78 MB | 149 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nordhealth Finland Oy](https://appshunter.io/developer/736658967) | [Hello Thread](https://appshunter.io/developer/996237890) |

## What reviewers say

### Provet Mobile

[App page](https://appshunter.io/ios/app/provet-mobile/id6443951711)

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

**In-app purchases:** none


### MARLIN Study

[App page](https://appshunter.io/ios/app/marlin-study/id6503040793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Provet Mobile free?

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

### Is MARLIN Study free?

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

### Do Provet Mobile or MARLIN Study have ads?

Neither Provet Mobile nor MARLIN Study shows ads.

### Which is updated more often, Provet Mobile or MARLIN Study?

Provet Mobile ships an update every 2 weeks, and MARLIN Study every 6 weeks. Most recently, Provet Mobile was updated on October 4, 2026 and MARLIN Study on October 2, 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.*