# Rocket Trials vs Enterra Clinical PRO

The clearest difference is update cadence: Rocket Trials at every 2 months against Enterra Clinical PRO's every 7 months. 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, Enterra Clinical PRO every 7 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rocket Trials | Enterra Clinical PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 19 MB | 12 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rocket Trails LLC](https://appshunter.io/developer/1437489832) | [Enterra Medical](https://appshunter.io/developer/1759182120) |

## 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


### Enterra Clinical PRO

[App page](https://appshunter.io/ios/app/enterra-clinical-pro/id6572304105)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Trials free?

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

### Is Enterra Clinical PRO free?

Enterra Clinical PRO is free to download, with no in-app purchases.

### Do Rocket Trials or Enterra Clinical PRO have ads?

Neither Rocket Trials nor Enterra Clinical PRO shows ads.

### Which is updated more often, Rocket Trials or Enterra Clinical PRO?

Rocket Trials ships an update every 2 months, and Enterra Clinical PRO every 7 months. Most recently, Rocket Trials was updated on November 7, 2026 and Enterra Clinical PRO on October 30, 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.*