# TrialOnline vs Horses+

The clearest difference is in-app purchases: TrialOnline at none against Horses+'s 1. TrialOnline also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Horses+ sells 1 in-app purchase, starting at $3.99 per month. TrialOnline asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TrialOnline | Horses+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/trialonline/id1521167087/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 71 MB | 67 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Replior AB](https://appshunter.io/developer/1513532149) | [Benjamin Schleef](https://appshunter.io/developer/621543323) |

## What reviewers say

### TrialOnline

[App page](https://appshunter.io/ios/app/trialonline/id1521167087)

This application serves as a patient portal for clinical research participants, allowing them to complete study-specific questionnaires and communicate with healthcare personnel. It facilitates secure data gathering and ensures patient anonymity throughout clinical trials, adhering to international regulations.

**Highlights:** Patient portal for clinical research, Study-specific questionnaires, Secure data gathering, Patient anonymity, Video, voice, and text communication, Site-to-patient communication module

**In-app purchases:** none


### Horses+

[App page](https://appshunter.io/ios/app/horses-plus/id6453477202)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Horses+ Premium Access | $3.99 | per month |


## Frequently asked questions

### Is TrialOnline free?

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

### Is Horses+ free?

Horses+ is free to download, with in-app purchases available.

### Do TrialOnline or Horses+ have ads?

Neither TrialOnline nor Horses+ shows ads.

### Which is updated more often, TrialOnline or Horses+?

TrialOnline ships an update every 3 months, and Horses+ every 3 months. Most recently, TrialOnline was updated on October 18, 2026 and Horses+ on October 25, 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.*