TrialTrack vs PROBr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TrialTrack
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Clinical trial information, simplified. TrialTrack helps you discover, understand, and follow clinical trials directly from your iPhone using data from ClinicalTrials.gov. Search by condition, treatment, sponsor, location, phase, or recruitment status. Review eligibility criteria, study locations, timelines, interventions, and outcomes. Use AI-powered summaries to quickly understand complex study information, then save trials locally for later reference. TrialTrack is for research and informational purposes only. It does not provide medical advice, diagnosis, or treatment recommendations. Always consult a qualified healthcare professional before making health-related decisions.
PROBr
This platform connects individuals with researchers to facilitate more inclusive and accessible medical studies. It helps users find studies matching their health profiles, contribute to medical advancements, and potentially earn rewards or access care.
- Find research studies matching health profile
- Join studies to advance medicine
- Earn rewards or access free care
- Track participation history
- Receive study updates
- Empower community through research representation
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PROBr is a platform that connects people and researchers to make medical research more inclusive, accessible, and representative, making treatments more effective for everyone. Whether you are a participant looking for paid or volunteer studies that match your health profile, or a researcher seeking diverse recruitment, PROBr makes it simple to connect, collaborate, and create meaningful impact. PROBr does not conduct research studies or collect research data. All studies are run by independent organisations. Our logo symbolises the continuous cycle of progress, from community participation to clinical discovery and back. Every arrow represents a stage in the journey toward more equitable healthcare for all. With PROBr, you can: - Find research studies that match your health profile - Join studies that help advance medicine and health equity - Earn rewards or access free care opportunities - Track your participation history and receive study updates - Empower your community through representation in research PROBr, where representation meets research.
Screenshots
Verdict
The clearest difference is in-app purchases: PROBr at none against TrialTrack's 1. PROBr also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). TrialTrack's advantage is update cadence (every 10 days vs every 6 weeks). On price and ads 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. TrialTrack sells 1 one-off in-app purchase. PROBr asks for nothing beyond the download.
TrialTrack ships an update every 10 days, PROBr every 6 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.
| Parameter | TrialTrack | PROBr |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 10 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 44 MB |
| Age rating | 17+ | 17+ |
| Developer | Daniel Chan | PROBR COMP LTD |
In-app purchases
TrialTrack
- TrialTrack - Premium$4.99
PROBr
No in-app purchases







