# cTrials vs HIPGEN

The clearest difference is update cadence: cTrials at every 12 months against HIPGEN's every 40 months. cTrials also leads on iOS requirement (11.1 vs 13). 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.

cTrials ships an update every 12 months, HIPGEN every 40 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | cTrials | HIPGEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/ctrials/id362035301/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 40 months |
| Monetization | Free | — |
| Size | 12 MB | 23 MB |
| Requires iOS | **11.1** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Visual Soft Inc.](https://appshunter.io/developer/336927487) | [Seitz Ventures UG (haftungsbeschrankt)](https://appshunter.io/developer/1447809862) |

## What reviewers say

### cTrials

[App page](https://appshunter.io/ios/app/ctrials/id362035301)

This app provides a mobile interface for searching clinical trials listed on clinicaltrials.gov. It offers user-friendly navigation with basic, advanced, and country-specific search options. Users can save trials to favorites, email listings, and contact investigators.

**Highlights:** Clinical trial search, Basic and advanced search options, Search by country/state, Save trials to favorites, Email trial listings, Contact investigators, Search history

**In-app purchases:** none


### HIPGEN

[App page](https://appshunter.io/ios/app/hipgen/id1386953927)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cTrials free?

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

### Is HIPGEN free?

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

### Do cTrials or HIPGEN have ads?

Neither cTrials nor HIPGEN shows ads.

### Which is updated more often, cTrials or HIPGEN?

cTrials ships an update every 12 months, and HIPGEN every 40 months. Most recently, cTrials was updated on October 9, 2026 and HIPGEN on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*