# cTrials vs centinics

The clearest difference is update cadence: centinics at every 6 weeks against cTrials's every 12 months. cTrials's advantage is iOS requirement (11.1 vs 13.0). 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, centinics every 6 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | cTrials | centinics |
| --- | --- | --- |
| 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 6 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 32 MB |
| Requires iOS | **11.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Visual Soft Inc.](https://appshunter.io/developer/336927487) | [JAM INFOSYS, INC](https://appshunter.io/developer/919833617) |

## 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


### centinics

[App page](https://appshunter.io/ios/app/centinics/id1187304549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cTrials free?

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

### Is centinics free?

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

### Do cTrials or centinics have ads?

Neither cTrials nor centinics shows ads.

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

cTrials ships an update every 12 months, and centinics every 6 weeks. Most recently, cTrials was updated on October 9, 2026 and centinics 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.*