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Updated December 14, 2025
Castor EDC vs Greenlight Guru Clinical: Which is best for you?
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Starting Price
Pricing available upon request
Pricing available upon request
Free Trial
Free Version
Screenshots
and Demo
and Demo
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Top Rated
Features
Features
Electronic Data Capture
4.70
Clinical Study Management
4.65
Patient Monitoring
4.64
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Remote Data Capture
4.54
Data Capture and Transfer
4.48
Clinical Study Management
4.45
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Integrations
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Pros / Cons
- The overall font size, helps visually as you do not need to scroll up and down allowing for overall viewing of the page.
- The only issue I have is the time it takes to save a page before I can move onto the next.
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- It is an essential tool for maintaining clinical trial data and communication with the clinical sites.
- it can be difficult to update queries on Greenlight at times as sometime the build is stuck in a catch22 situation where a query cant be answered,
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Ease-of-Use
Highest performing feature
in the comparison
4.7/ 5in the comparison
4.6/ 5
Value for Money
4.6/ 5
4.6/ 5
Customer Support
4.7/ 5
Highest performing feature
in the comparison
4.8/ 5in the comparison
Functionality
Highest performing feature
in the comparison
4.5/ 5in the comparison
4/ 5
Support Options
Email/Help Desk
FAQs/Forum
Knowledge Base
Phone Support
24/7 (Live Rep)
Chat
Email/Help Desk
FAQs/Forum
Knowledge Base
Phone Support
24/7 (Live Rep)
Chat
Training Options
In Person
Live Online
Webinars
Documentation
Videos
In Person
Live Online
Webinars
Documentation
Videos
FrontRunners
N/A
N/A
Advisor
Recommendations
Recommendations
N/A
N/A
Ideal Customer Size
Small
Medium
Large
Small
Medium
Large
Deployment Options
Cloud, SaaS, Web-Based
Desktop - Mac
Desktop - Windows
Desktop - Linux
Desktop - Chromebook
On-Premise - Windows
On-Premise - Linux
Mobile - Android
Mobile - iPhone
Mobile - iPad
Cloud, SaaS, Web-Based
Desktop - Mac
Desktop - Windows
Desktop - Linux
Desktop - Chromebook
On-Premise - Windows
On-Premise - Linux
Mobile - Android
Mobile - iPhone
Mobile - iPad
