# Castor, nQuery vs Medrio EDC Comparison

| | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.8 out of 5 | 4.3 out of 5 | 
| **Total Reviews** | 126 | 11 | 206 | 
| **Largest Market Segment** | Small-Business (48.8% of reviews) | Mid-Market (45.5% of reviews) | Small-Business (51.6% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | Contact Us | 

---
## Top Pros & Cons

### Castor

Pros:
- Ease of Use (5 reviews)
- Navigation Ease (3 reviews)

Cons:
- Data Management Issues (1 reviews)
- Inadequate Reporting (1 reviews)

### nQuery

**Not enough data**

### Medrio EDC

Pros:
- Ease of Use (44 reviews)
- Customer Support (26 reviews)

Cons:
- Inadequate Reporting (15 reviews)
- Difficulty (12 reviews)

---
## Ratings Comparison
| Rating | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
  | **Meets Requirements** | 9.1 (113 reviews) | 9.7 (10 reviews) | 8.4 (157 reviews) | 
  | **Ease of Use** | 9.3 (116 reviews) | 9.0 (10 reviews) | 8.8 (160 reviews) | 
  | **Ease of Setup** | 8.8 (42 reviews) | Not enough data | 8.5 (119 reviews) | 
  | **Ease of Admin** | 9.3 (32 reviews) | Not enough data | 8.6 (90 reviews) | 
  | **Quality of Support** | 9.2 (100 reviews) | 9.8 (9 reviews) | 9.0 (154 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.3 (30 reviews) | Not enough data | 9.1 (94 reviews) | 
  | **Product Direction (% positive)** | 9.5 (115 reviews) | 10.0 (10 reviews) | 8.4 (152 reviews) | 

---
## Pricing

### Castor

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### nQuery

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Medrio EDC

#### Entry-Level Pricing

Plan: Pricing Customized to Your Study

Price: Contact Us

Description: Software for clinical teams that value data integrity, operational control, growth without switching platforms, and balance between scalability and usability:

Key Features:
- Enterprise-Grade Rigor Without Enterprise Complexity
- Scalable Across Phases and Study Types
- Flexible, No-Code Control for Lean Sponsors and CROs

[Learn more about Medrio EDC](https://www.g2.com/products/medrio-edc/reviews)

#### Free Trial

No

---
## Features Comparison By Category

### Electronic Data Capture (EDC)

| Product | Score | Reviews |
|---|---|---|
| **Castor** | 9.1/10 | 97 |
| **nQuery** | N/A | N/A |
| **Medrio EDC** | 8.6/10 | 151 |

#### Data Management

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **Cloud Security - Electronic Data Capture (EDC)** | 9.2 (93 reviews) | Not enough data | 8.8 (121 reviews) | 
| **Role-Based User Permissions - Electronic Data Capture (EDC)** | 9.3 (95 reviews) | Not enough data | 8.6 (132 reviews) | 
| **Query Management - Electronic Data Capture (EDC)** | 8.8 (91 reviews) | Not enough data | 8.6 (134 reviews) | 
| **Data Export - Electronic Data Capture (EDC)** | 8.8 (88 reviews) | Not enough data | 8.3 (132 reviews) | 

#### Clinical Study Support

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **eCRFs - Electronic Data Capture (EDC)** | 9.2 (93 reviews) | Not enough data | 8.7 (138 reviews) | 
| **Audit Trail - Electronic Data Capture (EDC)** | 8.9 (91 reviews) | Not enough data | 8.8 (134 reviews) | 
| **Data Capture - Electronic Data Capture (EDC)** | 9.4 (91 reviews) | Not enough data | 8.8 (136 reviews) | 
| **Randomization - Electronic Data Capture (EDC)** | 8.8 (88 reviews) | Not enough data | 8.0 (111 reviews) | 
| **Compliance - Electronic Data Capture (EDC)** | 9.1 (90 reviews) | Not enough data | 9.0 (127 reviews) | 

### Statistical Analysis

| Product | Score | Reviews |
|---|---|---|
| **Castor** | N/A | N/A |
| **nQuery** | 9.2/10 | 7 |
| **Medrio EDC** | N/A | N/A |

#### Administration

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **Quality Control** | Not enough data | Not enough data | Not enough data | 
| **Data Sampling** | Not enough data | Not enough data | Not enough data | 
| **Collaboration** | Not enough data | Not enough data | Not enough data | 

#### Capabilities

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **Data Visualization** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Survival Analysis** | Not enough data | Not enough data | Not enough data | 
| **Risk Data Attributes** | Not enough data | Not enough data | Not enough data | 
| **Cost Analysis** | Not enough data | Not enough data | Not enough data | 

#### Methodology

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **ANOVA Support** | Not enough data | 9.5 (7 reviews) | Not enough data | 
| **Regression** | Not enough data | 9.4 (6 reviews) | Not enough data | 
| **Time Series Analysis** | Not enough data | Not enough data | Not enough data | 

#### Generative AI

| Feature | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Castor (1):** [Electronic Data Capture (EDC) Software](https://www.g2.com/categories/electronic-data-capture-edc)

**Unique to nQuery (1):** [Statistical Analysis Software](https://www.g2.com/categories/statistical-analysis)

**Unique to Medrio EDC (1):** [Electronic Data Capture (EDC) Software](https://www.g2.com/categories/electronic-data-capture-edc)


---
## Reviewer Demographics

### By Company Size

| Segment | Castor | nQuery | Medrio EDC | 
|---|---|---|---|
| **Small-Business** | 48.8% | 27.3% | 51.6% | 
| **Mid-Market** | 16.0% | 45.5% | 38.5% | 
| **Enterprise** | 35.2% | 27.3% | 9.9% | 

### By Industry

#### Castor

- **Hospital & Health Care:** 48.0%
- **Research:** 20.8%
- **Medical Practice:** 12.0%
- **Health, Wellness and Fitness:** 6.4%
- **Medical Devices:** 4.0%
- **Biotechnology:** 3.2%
- **Consulting:** 1.6%
- **Veterinary:** 1.6%
- **Mental Health Care:** 0.8%
- **Marketing and Advertising:** 0.8%
- **Other:** 0.8%

#### nQuery

- **Research:** 36.4%
- **Pharmaceuticals:** 36.4%
- **Hospital & Health Care:** 9.1%
- **Higher Education:** 9.1%
- **Health, Wellness and Fitness:** 9.1%

#### Medrio EDC

- **Research:** 27.4%
- **Biotechnology:** 19.9%
- **Pharmaceuticals:** 18.3%
- **Medical Devices:** 17.2%
- **Hospital & Health Care:** 5.4%
- **Health, Wellness and Fitness:** 3.8%
- **Medical Practice:** 3.2%
- **Veterinary:** 2.2%
- **Information Technology and Services:** 1.1%
- **Tobacco:** 0.5%
- **Other:** 1.1%

---
## Alternatives

### Alternatives to Castor

- [REDCap](https://www.g2.com/products/redcap/reviews) — 4.3/5 stars (221 reviews)
- [OpenClinica](https://www.g2.com/products/openclinica/reviews) — 4.2/5 stars (24 reviews)
- [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) — 4.7/5 stars (27 reviews)
- [Viedoc](https://www.g2.com/products/viedoc/reviews) — 4.5/5 stars (273 reviews)
- [Oracle Clinical](https://www.g2.com/products/oracle-clinical/reviews) — 4.1/5 stars (29 reviews)
- [Clinical Research Suite](https://www.g2.com/products/clinical-research-suite/reviews) — 3.8/5 stars (205 reviews)
- [Greenlight Guru Clinical](https://www.g2.com/products/greenlight-guru-clinical/reviews) — 4.3/5 stars (116 reviews)
- [TrialKit](https://www.g2.com/products/trialkit/reviews) — 4.6/5 stars (26 reviews)
- [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) — 4.7/5 stars (150 reviews)
- [Clinion EDC](https://www.g2.com/products/clinion-edc/reviews) — 4.6/5 stars (37 reviews)

### Alternatives to nQuery

- [IBM SPSS Statistics](https://www.g2.com/products/ibm-spss-statistics/reviews) — 4.2/5 stars (928 reviews)
- [Posit Team](https://www.g2.com/products/posit-team/reviews) — 4.5/5 stars (570 reviews)
- [SAS Viya](https://www.g2.com/products/sas-sas-viya/reviews) — 4.3/5 stars (800 reviews)
- [Qualtrics Strategy & Research](https://www.g2.com/products/qualtrics-strategy-research/reviews) — 4.4/5 stars (3016 reviews)
- [Spotfire Analytics](https://www.g2.com/products/spotfire-analytics/reviews) — 4.2/5 stars (362 reviews)
- [Minitab Statistical Software](https://www.g2.com/products/minitab-statistical-software/reviews) — 4.6/5 stars (225 reviews)
- [JMP](https://www.g2.com/products/jmp/reviews) — 4.5/5 stars (213 reviews)
- [Stata](https://www.g2.com/products/stata/reviews) — 4.3/5 stars (166 reviews)
- [SAS Enterprise Miner](https://www.g2.com/products/sas-enterprise-miner/reviews) — 4.2/5 stars (193 reviews)
- [Base SAS](https://www.g2.com/products/base-sas/reviews) — 4.4/5 stars (148 reviews)

### Alternatives to Medrio EDC

- [REDCap](https://www.g2.com/products/redcap/reviews) — 4.3/5 stars (221 reviews)
- [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) — 4.7/5 stars (27 reviews)
- [Viedoc](https://www.g2.com/products/viedoc/reviews) — 4.5/5 stars (273 reviews)
- [Oracle Clinical](https://www.g2.com/products/oracle-clinical/reviews) — 4.1/5 stars (29 reviews)
- [OpenClinica](https://www.g2.com/products/openclinica/reviews) — 4.2/5 stars (24 reviews)
- [Clinical Research Suite](https://www.g2.com/products/clinical-research-suite/reviews) — 3.8/5 stars (205 reviews)
- [Greenlight Guru Clinical](https://www.g2.com/products/greenlight-guru-clinical/reviews) — 4.3/5 stars (116 reviews)
- [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) — 4.7/5 stars (150 reviews)
- [Clinion EDC](https://www.g2.com/products/clinion-edc/reviews) — 4.6/5 stars (37 reviews)
- [Prelude EDC](https://www.g2.com/products/prelude-edc/reviews) — 4.9/5 stars (21 reviews)

---
## Top Discussions

### Castor

No discussions available for this product.

### nQuery

No discussions available for this product.

### Medrio EDC

- Title: [Is there possibility to get version specific deployment/ site specific deployment/ subject specific deployment?](https://www.g2.com/discussions/36831-is-there-possibility-to-get-version-specific-deployment-site-specific-deployment-subject-specific-deployment) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "Yes! Our system is flexible enough to handle site & subject-specific configuration changes.  Reach out to our team to learn more and see how Medrio makes it..."
- Title: [Does Medrio provide training and support for CDMS/EDC users?](https://www.g2.com/discussions/does-medrio-provide-training-and-support-for-cdms-edc-users) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Yes, Medrio provides onboarding, enablement, and ongoing support for customers using Medrio EDC. Customers receive study setup guidance, best practices for..."
- Title: [Does Medrio CDMS/EDC support integrations with other clinical systems and standards?](https://www.g2.com/discussions/does-medrio-cdms-edc-support-integrations-with-other-clinical-systems-and-standards) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Yes. Medrio EDC integrates natively with our RTSM, ePRO, and eConsent solutions. We also integrate with third-party vendors, platforms, and devices through..."
- Title: [Can Medrio CDMS/EDC support adaptive, complex, hybrid, or decentralized clinical trial (DCT) designs?](https://www.g2.com/discussions/can-medrio-cdms-edc-support-adaptive-complex-hybrid-or-decentralized-clinical-trial-dct-designs) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Medrio EDC is flexible enough to support adaptive protocols, complex visit schedules, hybrid models, and decentralized trial components. Its configurable..."
- Title: [How does Medrio CDMS/EDC streamline eCRF design, validation, and database lock?](https://www.g2.com/discussions/how-does-medrio-cdms-edc-streamline-ecrf-design-validation-and-database-lock) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "With Medrio EDC, fast study start-up timelines are supported by no-code, point-and-click eCRF builds that don’t require specialized resources to configure..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/castor-edc-castor-vs-nquery-sample-size-software-vs-medrio-edc)