cTrials vs Datamatrix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cTrials
This app provides a mobile interface for searching clinical trials listed on clinicaltrials.gov. It offers user-friendly navigation with basic, advanced, and country-specific search options. Users can save trials to favorites, email listings, and contact investigators.
- Clinical trial search
- Basic and advanced search options
- Search by country/state
- Save trials to favorites
- Email trial listings
- Contact investigators
- Search history
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• A mobile front end for searching clinical trials listed on www.clinicaltrials.gov by National Library of Medicine (NLM/NIH) • All of the features of www.clinicaltrials.gov website are incorporated in this app. • Incorporates user friendly navigation schemes with Basic, Advanced, Refine Search and Search by Country /State features • Predictive Text feature for Basic Search screen • Customizable individual personal profile feature • Empowers the end users to save a clinical trial listing to favorites folder, e-mail the clinical trial, contact an investigator • Save the ‘Search History’ and many more… • Attach a personal profile with voice memo to an Clinical Study Investigator via e-mail • Contact a Clinical Study Investigator through the app
Datamatrix
This medical dictation app assists doctors by displaying their appointment schedules and enabling them to record patient dictations. Encrypted audio files are sent to a server for transcription into documents.
- Appointment schedule viewing
- Patient dictation recording
- Encrypted audio file transfer
- Transcription service integration
- Medical dictation solution
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DataMatrix Dictation solution for Doctors. This app helps doctors to see their appointment schedule and record dictation for their patients. Application transfers the encrypted audio files to DataMatrix server for converting in to transcript document.
Screenshots
Verdict
The clearest difference is review sentiment: Datamatrix at 100% against cTrials's 0%. Datamatrix also leads on rating (4.0 vs 3.0) and iOS requirement (9.0 vs 11.1). cTrials's advantage is update cadence (every 12 months vs every 25 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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.
Datamatrix holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of cTrials's written reviews are positive against 100% of Datamatrix's.
cTrials ships an update every 12 months, Datamatrix every 25 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | cTrials | Datamatrix |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 12 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 21 MB |
| Age rating | 4+ | 12+ |
| Developer | Visual Soft Inc. | Datamatrix Technologies Inc |
Customer experience
cTrials
Datamatrix
In-app purchases
cTrials
No in-app purchases
Datamatrix
No in-app purchases
