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Castor EDC vs Viedoc

Updated December 14, 2025

Castor EDC vs Viedoc: Which is best for you?

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Pricing available upon request

Free Trial
Free Version
Screenshots
and Demo
Product Screenshot
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Product Screenshot
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Top Rated
  Features
Electronic Data Capture
4.70
Clinical Study Management
4.65
Patient Monitoring
4.64
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Patient Monitoring
4.72
Electronic Data Capture
4.57
21 CFR Part 11 Compliance
4.56
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Integrations
eCRF
eCRF
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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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  • The ePRO module empowers patients through a mobile-first interface, offline functionality, and customizable reminders, driving high adherence and direct EDC integration for instant insights.
  • Not always easy to follow all the steps with different excel sheets and names of review steps.
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Ease-of-Use
Highest performing feature
in the comparison
4.7/ 5
4.6/ 5
Value for Money
Highest performing feature
in the comparison
4.6/ 5
4.5/ 5
Customer Support
Highest performing feature
in the comparison
4.7/ 5
4.4/ 5
Functionality
Highest performing feature
in the comparison
4.5/ 5
4.1/ 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
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