G2 Vendor Directory

Castor vs. Viedoc

A side-by-side comparison based on G2 review data.

MetricCastor

by Castor EDC

Viedoc

by Viedoc Technologies

Overall rating4.64.5
Review count126283
Ease of use9.49.3
Ease of setup8.99.1
Quality of support9.39.3
Meets requirements9.38.8
NPS75.269.098712
Small Business48.4%32.6%
Mid-Market15.9%31.6%
Enterprise35.7%35.8%
Total page views332843
Total LLM citations2,1962,182

Castor

Castor is a leading cloud-based clinical data platform designed to democratize research and streamline the complexities of decentralized, hybrid, and traditional clinical trials. Trusted by academic institutions, biotech, and pharmaceutical companies worldwide, Castor enables researchers to capture high-quality data and accelerate study timelines through a modular, human-centered ecosystem.

Pros

  • Ease of Use
  • Navigation Ease
  • Data Management
  • Design Ease
  • Organization
  • Setup Ease

Viedoc

Viedoc streamlines clinical trials with a powerful, web-based eClinical suite centered around EDC. Designed for efficiency, compliance, and seamless collaboration, our feature-rich platform accelerates research and simplifies data collection, management, and analysis. Trusted in 75+ countries, Viedoc powers 7,000+ studies with more than 1.6M+ participants, bringing life-changing treatments to market faster.

Pros

  • Ease of Use
  • User Interface
  • Intuitive
  • Customer Support
  • Features
  • Design Ease