# Medable vs MARLIN Study

The clearest difference is update cadence: Medable at every 2 weeks against MARLIN Study's every 6 weeks. MARLIN Study's advantage is iOS requirement (12.0 vs 16.5). 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.

Medable ships an update every 2 weeks, MARLIN Study every 6 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Medable | MARLIN Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (17 ratings)](https://appshunter.io/ios/app/medable/id1160464791/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 114 MB | 149 MB |
| Requires iOS | 16.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Medable, Inc.](https://appshunter.io/developer/660544651) | [Hello Thread](https://appshunter.io/developer/996237890) |

## What reviewers say

### Medable

[App page](https://appshunter.io/ios/app/medable/id1160464791)

This app connects participants to clinical trials, providing a comprehensive eCOA solution. It facilitates digital data collection, ePRO, eDiaries, visit scheduling, and televisits. Users receive notifications and access trial resources, with potential integrations for sensors and wearables.

**Highlights:** Digital data collection, Electronic patient-reported outcome (ePRO), eDiaries and questionnaires, Visit and activity scheduling, Televisit capabilities, Notifications and reminders, Trial resources access

**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 Medable free?

Medable 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 Medable or MARLIN Study have ads?

Neither Medable nor MARLIN Study shows ads.

### Which is updated more often, Medable or MARLIN Study?

Medable ships an update every 2 weeks, and MARLIN Study every 6 weeks. Most recently, Medable was updated on October 13, 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.*