# Rocket Trials vs Clinical Study Research

The clearest difference is update cadence: Clinical Study Research at every 3 weeks against Rocket Trials's every 2 months. Clinical Study Research also leads on iOS requirement (11.0 vs 15.1). 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.

Rocket Trials ships an update every 2 months, Clinical Study Research every 3 weeks. The most recent releases landed on September 23, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | Rocket Trials | Clinical Study Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 19 MB | 105 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Rocket Trails LLC](https://appshunter.io/developer/1437489832) | [HelloMind APS](https://appshunter.io/developer/327538175) |

## What reviewers say

### Rocket Trials

[App page](https://appshunter.io/ios/app/rocket-trials/id1638050022)

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

**In-app purchases:** none


### Clinical Study Research

[App page](https://appshunter.io/ios/app/clinical-study-research/id6464368768)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Trials free?

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

### Is Clinical Study Research free?

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

### Do Rocket Trials or Clinical Study Research have ads?

Neither Rocket Trials nor Clinical Study Research shows ads.

### Which is updated more often, Rocket Trials or Clinical Study Research?

Rocket Trials ships an update every 2 months, and Clinical Study Research every 3 weeks. Most recently, Rocket Trials was updated on September 23, 2026 and Clinical Study Research on May 13, 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.*