Comparison

TrialTrack vs PROBr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TrialTrack

Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

TrialTrack4 screens
PROBr4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TrialTrack sells 1 one-off in-app purchase. PROBr asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
TrialTrack versus PROBr: the parameters behind the verdict, then further details
ParameterTrialTrackPROBr
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 10 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size17 MB44 MB
Age rating17+17+
DeveloperDaniel ChanPROBR COMP LTD

In-app purchases

1 purchases

TrialTrack

One-time1
  • TrialTrack - Premium$4.99
None

PROBr

No in-app purchases

Questions

Is TrialTrack free?
TrialTrack is free to download, with in-app purchases available.
Is PROBr free?
PROBr is free to download, with no in-app purchases.
Do TrialTrack or PROBr have ads?
Neither TrialTrack nor PROBr shows ads.
Which is updated more often, TrialTrack or PROBr?
TrialTrack ships an update every 10 days, and PROBr every 6 weeks. Most recently, TrialTrack was updated on October 12, 2026 and PROBr on October 24, 2026.

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