Castor vs Medrio EDC Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Castor

0.0 (0 reviews)

Castor is a comprehensive clinical trial platform providing electronic data capture and decentralized trial solutions to help researchers streamline data collection and accelerate medical breakthroughs.

Starting at Free
Free Trial 0 days
VS

Medrio EDC

0.0 (0 reviews)

Medrio EDC is a clinical data management solution that helps you capture, manage, and report clinical trial data through a secure, cloud-based interface to accelerate your study timelines.

Starting at --
Free Trial NO FREE TRIAL

Quick Comparison

Feature Castor Medrio EDC
Website castoredc.com medrio.com
Pricing Model Freemium Custom
Starting Price Free Custom Pricing
FREE Trial ✓ 0 days free trial ✘ No free trial
Free Plan ✓ Has free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment cloud mobile saas mobile
Integrations Epic Cerner Fitbit Garmin Apple Health Medidata Salesforce Veeva Salesforce MedPro Microsoft Excel SAS
Target Users small-business mid-market enterprise small-business mid-market enterprise
Target Industries healthcare healthcare pharmaceuticals biotechnology
Customer Count 0 0
Founded Year 2012 2005
Headquarters Amsterdam, Netherlands San Francisco, USA

Overview

C

Castor

Castor provides a unified platform to help you run faster, more efficient clinical trials. You can manage every stage of your research, from designing your study and capturing patient data to managing consent and integrating wearable device information. The software replaces manual, paper-based processes with secure, cloud-based workflows that ensure your data remains high-quality and compliant with global regulatory standards like GDPR and HIPAA.

You can build your study in hours rather than weeks using a drag-and-drop interface that requires no coding knowledge. Whether you are conducting a small academic study or a large-scale international commercial trial, the platform scales to meet your needs. It focuses on reducing the burden on both researchers and participants through user-friendly interfaces and remote enrollment capabilities.

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Medrio EDC

Medrio EDC provides you with a flexible environment to manage clinical trials of any phase or complexity. You can build your studies in days rather than months using an intuitive interface that requires no programming knowledge. This allows your team to focus on data quality and patient safety instead of wrestling with complex technical setups. By centralizing your clinical data, you gain real-time visibility into study progress and site performance.

The platform is designed for pharmaceutical companies, biotech firms, and CROs who need to streamline their data collection processes. You can easily manage mid-study changes, perform complex validation checks, and ensure regulatory compliance with built-in audit trails. Whether you are running a small Phase I study or a large multi-center global trial, the software scales to meet your specific data management requirements while reducing manual entry errors.

Overview

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Castor Features

  • Form Builder Build complex electronic Case Report Forms (eCRFs) quickly using a visual drag-and-drop editor without writing any code.
  • eConsent Enroll participants remotely and securely with digital informed consent forms that they can sign from any device.
  • Real-time Validations Set up automated data checks to catch errors at the point of entry and ensure your trial data is clean.
  • ePRO & Surveys Collect data directly from your patients through automated email surveys and mobile-friendly questionnaires to improve engagement.
  • Randomization Implement complex randomization schedules directly within your study workflow to maintain the scientific integrity of your trial.
  • Monitoring Dashboard Track your study progress and site performance in real-time with visual dashboards that highlight missing data or queries.
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Medrio EDC Features

  • Drag-and-Drop Study Builder. Build your clinical databases and forms visually without writing a single line of code to get your study started faster.
  • Mid-Study Changes. Apply updates to your live study forms and logic instantly without needing to take your entire system offline.
  • Offline Data Entry. Capture critical patient data even when you lack an internet connection and sync it automatically once you are back online.
  • Real-Time Edit Checks. Set up automated validation rules that flag inconsistent data immediately, ensuring higher data quality at the point of entry.
  • Medical Coding. Streamline your coding process with integrated dictionaries like MedDRA and WHODrug to maintain consistent terminology across your trial.
  • E-Source Integration. Eliminate redundant data entry by capturing information directly from patients or sites and syncing it directly into your EDC.

Pricing Comparison

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Castor Pricing

Free (Academic)
$0
  • Available for non-commercial research
  • Unlimited data points
  • Standard EDC features
  • Community support
  • Self-service study building
M

Medrio EDC Pricing

Pros & Cons

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Castor

Pros

  • Extremely intuitive interface for non-technical users
  • Fast study setup compared to traditional EDC systems
  • Excellent free tier for academic and non-profit research
  • Responsive and helpful customer support team

Cons

  • Advanced logic requires some time to master
  • Reporting tools can be limited for complex datasets
  • Mobile app experience is less polished than desktop
A

Medrio EDC

Pros

  • Extremely fast study build times compared to legacy systems
  • Intuitive interface requires very little training for site staff
  • Excellent customer support with rapid response times
  • Easy to implement mid-study changes without downtime

Cons

  • Reporting tools can be difficult to master initially
  • Customization options for complex exports are sometimes limited
  • Pricing can be high for very small Phase I studies
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