# ResearchApp vs Barialink

The clearest difference is update cadence: ResearchApp at fortnightly against Barialink's every 36 months. ResearchApp also leads on iOS requirement (10.0 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.

ResearchApp ships an update fortnightly, Barialink every 36 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ResearchApp | Barialink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/researchapp-join-a-study/id1494456384/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 36 months |
| Monetization | Free | — |
| Size | 172 MB | 31 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Healthbit LTD](https://appshunter.io/developer/940551025) | [Barialink](https://appshunter.io/developer/1642727900) |

## What reviewers say

### ResearchApp

[App page](https://appshunter.io/ios/app/researchapp-join-a-study/id1494456384)

Participate in medical research studies by entering a unique token code. Track your health information and share data with research teams, including HealthKit integration. This app facilitates the discovery of new medicines and improved health outcomes.

**Highlights:** Join consented research studies, Enter unique token codes, Track health questionnaires, Connect to HealthKit, Share data with research teams, Facilitates medicine discovery

**Features:** macOS Compatibility

**In-app purchases:** none


### Barialink

[App page](https://appshunter.io/ios/app/barialink/id1642727898)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ResearchApp free?

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

### Is Barialink free?

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

### Do ResearchApp or Barialink have ads?

Neither ResearchApp nor Barialink shows ads.

### Which is updated more often, ResearchApp or Barialink?

ResearchApp ships an update fortnightly, and Barialink every 36 months. Most recently, ResearchApp was updated on October 24, 2026 and Barialink on October 12, 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.*