# cTrials vs BVAS/WG

The clearest difference is iOS requirement: BVAS/WG at 9.0 against cTrials's 11.1. On price, update cadence, ads and in-app purchases 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, BVAS/WG every 11 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | cTrials | BVAS/WG |
| --- | --- | --- |
| 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 11 months** |
| Monetization | Free | — |
| Size | 12 MB | 12 MB |
| Requires iOS | 11.1 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Visual Soft Inc.](https://appshunter.io/developer/336927487) | [LekSeek Polska Sp. z o.o.](https://appshunter.io/developer/1032647787) |

## 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


### BVAS/WG

[App page](https://appshunter.io/ios/app/bvaswg/id1137076812)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cTrials free?

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

### Is BVAS/WG free?

BVAS/WG is free to download, with no in-app purchases.

### Do cTrials or BVAS/WG have ads?

Neither cTrials nor BVAS/WG shows ads.

### Which is updated more often, cTrials or BVAS/WG?

cTrials ships an update every 12 months, and BVAS/WG every 11 months. Most recently, cTrials was updated on October 9, 2026 and BVAS/WG on October 16, 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.*