cTrials vs LogiCO2
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
LogiCO2
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Provides a tool to measure and warn about dangerous CO2 levels. The application display current CO2 level and warns if it reaches critical levels. The application only works in conjunction with specialized hardware from LogiCO2. For more information on how to acquire the necessary device please contact Logico2 at info@logico2.com, or visit www.logico2.com.
Screenshots
Verdict
The clearest difference is update cadence: LogiCO2 at every 5 months against cTrials's every 12 months. cTrials's advantage is iOS requirement (11.1 vs 17.6). 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.
cTrials ships an update every 12 months, LogiCO2 every 5 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.
| Parameter | cTrials | LogiCO2 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 12 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Visual Soft Inc. | Logico2 International AB |
In-app purchases
cTrials
No in-app purchases
LogiCO2
No in-app purchases
