--- title: Castor Reviews meta_title: 'Castor Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 126 reviews by the users' company size, role or industry to find out how Castor works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 126 scale: '5' date_modified: '2026-08-07' parent_category: name: Clinical Research url: https://www.g2.com/categories/clinical-research --- # Castor Reviews **Vendor:** Castor EDC **Category:** [Electronic Data Capture (EDC) Software](https://www.g2.com/categories/electronic-data-capture-edc) **Average Rating:** 4.6/5.0 **Total Reviews:** 126 ## About 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.   Our plug-and-play platform seamlessly integrates the four critical components of modern clinical research: Electronic Data Capture (EDC): A user-friendly, rapid-deployment EDC system that allows researchers to build and launch studies in a matter of clicks, not months, ensuring robust data integrity and security.   eConsent: A flexible electronic consent solution that simplifies patient enrollment and improves comprehension, supporting remote and on-site recruitment strategies to maximize participation.   eCOA (Electronic Clinical Outcome Assessment): Intuitive tools for capturing Patient-Reported Outcomes (PROs) directly from participants, enhancing engagement and retention while reducing the burden of data entry. Real-World Evidence (RWE): Advanced capabilities to capture and unify real-world data from wearables, medical devices, and EHRs, providing a holistic view of patient health beyond the clinical setting.   By prioritizing a "participant-first" approach, Castor improves the trial experience for both researchers and patients. From rapid study build and enrollment to final analysis, Castor delivers the speed, scalability, and compliance needed to drive successful outcomes in the evolving landscape of clinical research. ## Castor Pros & Cons **What users like:** - Users appreciate the **ease of use** of Castor, finding it intuitive and efficient for data entry and management. (5 reviews) - Users praise the **navigation ease** of Castor, highlighting its user-friendly design and straightforward data entry process. (3 reviews) - Users commend the **clarity and organization** of Castor's data management, facilitating structured data collection effectively. (2 reviews) - Users appreciate the **design ease** of Castor, praising its user-friendly interface and straightforward navigation. (2 reviews) - Users appreciate the **clear and organized data collection progress** , capturing information in a structured format. (2 reviews) - Efficiency (1 reviews) - E-Learning (1 reviews) - Implementation Ease (1 reviews) - Intuitive (1 reviews) - Notification Automation (1 reviews) **What users dislike:** - Users report **data management issues** with delays and notifications that disrupt the data entry process in Castor. (1 reviews) - Users find the **inadequate reporting** feature in Castor frustrating, as it complicates data entry and tracking processes. (1 reviews) - Users find the **login issues** inconvenient, as they disrupt workflow while entering data during clinical tasks. (1 reviews) - Users find the **navigation confusing** , especially regarding query management and tracking pending resolutions. (1 reviews) - Users experience **slow performance** with data saving and finding resolved queries, impacting overall usability. (1 reviews) ## Castor Discussions - [What is Castor EDC used for?](https://www.g2.com/discussions/what-is-castor-edc-used-for) - [a](https://www.g2.com/discussions/castor-edc-a) - 1 upvote - [View Castor pricing details and edition comparison](https://www.g2.com/products/castor-edc-castor/reviews?page=5§ion=pricing&secure%5Bexpires_at%5D=2026-08-09+15%3A10%3A07+-0500&secure%5Bsession_id%5D=37730b07-f7a8-42f2-869d-2add5bc65108&secure%5Btoken%5D=26e5b61f8719176bf627f1dd0bf266c44107c3b64f1f14c0a925767da2d196b5&format=llm_user) ## Castor Features **Data Management** - Cloud Security - Electronic Data Capture (EDC) - Role-Based User Permissions - Electronic Data Capture (EDC) - Query Management - Electronic Data Capture (EDC) - Data Export - Electronic Data Capture (EDC) - Data Import/Export - Workflow Management - Compliance Management - Clinical Study Management - Document Management - Audit Management - Forms Management - Data Storage Management - Access Controls/Permissions **Clinical Study Support** - eCRFs - Electronic Data Capture (EDC) - Audit Trail - Electronic Data Capture (EDC) - Data Capture - Electronic Data Capture (EDC) - Randomization - Electronic Data Capture (EDC) - Compliance - Electronic Data Capture (EDC) - Real-Time Data - Remote Data Capture - Distributed Capture **Additional Functionality** - Secure Data Storage - Alerts/Notifications - Web Forms - Approval Process Control - Configurable Workflow - Real-Time Reporting - Electronic Signature - Mobile Access - Third-Party Integrations - Drag & Drop - Offline Access - Customizable Branding - Generative AI - Document Imaging - Customizable Fields - AI Copilot - Customizable Forms - Document Storage - Data Capture and Transfer - Data Visualization - Data Synchronization - Data Verification - HIPAA Compliant - Customizable Reports - Audit Trail - Reporting/Analytics - Customizable Templates - Document Classification - Data Extraction - API - Digital Signature - Activity Dashboard - Multi-Language ## Top Castor Alternatives - [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) - 4.2/5.0 (253 reviews) - [REDCap](https://www.g2.com/products/redcap/reviews) - 4.3/5.0 (214 reviews) - [OpenClinica](https://www.g2.com/products/openclinica/reviews) - 4.2/5.0 (24 reviews)