TrialMax App vs Emerald
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TrialMax App
Collect data from patients and caregivers in clinical trials for new medicines. Access study-specific questionnaires on the go, with reminders to help you follow the study protocol. Your privacy and anonymity are ensured.
- Patient and caregiver data collection
- Study-specific questionnaires
- On-the-go data entry
- Study protocol reminders
- Privacy and anonymity assured
- Easy-to-use interface
Read full descriptionHide full description
TrialMax from Signant Health is used for collecting data from patients and their caregivers in clinical trials of new medicines. TrialMax gives patients access to study specific questionnaires making it easy for the patients to fill them in wherever they go. Patients who participate in a particular clinical study get access to TrialMax for the duration of the study. The app is activated with an activation code supplied by the care personnel conducting the clinical study. TrialMax, with its easy to use interface, will help make your participation in a clinical trial as easy as possible. The reminders will help you follow the study protocol and be compliant. TrialMax ensures your privacy and anonymity in a clinical trial. The app complies with international regulations and laws for patient privacy.
Emerald
Read full descriptionHide full description
This eCOA App is intended for use collect patient reported outcomes (ePRO) relating to the Emerald-3 clinical trial. Patients must be given accounts by a participating site in order to log in to the app.
Screenshots
Verdict
The clearest difference is update cadence: TrialMax App at every 3 weeks against Emerald's every 4 months. Emerald's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TrialMax App ships an update every 3 weeks, Emerald every 4 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.
| Parameter | TrialMax App | Emerald |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (99 ratings) — better | — |
| Positive reviews | 5.0% of reviews | — |
| Number of ratings | 99 — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 78 MB |
| Age rating | 4+ | 12+ |
| Developer | Signant Health Oy | ERT,INC |
In-app purchases
TrialMax App
No in-app purchases
Emerald
No in-app purchases
