# Castor, Viedoc vs REDCap Comparison

| | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.5 out of 5 | 4.3 out of 5 | 
| **Total Reviews** | 126 | 273 | 220 | 
| **Largest Market Segment** | Small-Business (48.8% of reviews) | Small-Business (35.0% of reviews) | Enterprise (63.7% of reviews) | 
| **Entry Level Price** | No pricing available | Contact Us 1 Single study | No pricing available | 

---
## Top Pros & Cons

### Castor

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

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

### Viedoc

Pros:
- Ease of Use (38 reviews)
- User Interface (31 reviews)

Cons:
- Slow Performance (13 reviews)
- Difficulty (11 reviews)

### REDCap

Pros:
- Data Management (2 reviews)
- Features (2 reviews)

Cons:
- Slow Performance (1 reviews)

---
## Ratings Comparison
| Rating | Castor | Viedoc | REDCap | 
|---|---|---|---|
  | **Meets Requirements** | 9.1 (113 reviews) | 8.6 (202 reviews) | 8.8 (191 reviews) | 
  | **Ease of Use** | 9.3 (116 reviews) | 9.2 (203 reviews) | 8.0 (191 reviews) | 
  | **Ease of Setup** | 8.8 (42 reviews) | 8.9 (136 reviews) | 7.3 (41 reviews) | 
  | **Ease of Admin** | 9.3 (32 reviews) | 8.8 (72 reviews) | 8.6 (43 reviews) | 
  | **Quality of Support** | 9.2 (100 reviews) | 9.2 (192 reviews) | 8.2 (158 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.3 (30 reviews) | 9.4 (64 reviews) | 8.6 (36 reviews) | 
  | **Product Direction (% positive)** | 9.5 (115 reviews) | 9.4 (196 reviews) | 7.6 (182 reviews) | 

---
## Pricing

### Castor

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Viedoc

#### Entry-Level Pricing

Plan: Single Study Model

Price: Contact Us 1 Single study

Description: Get the precise capabilities you need, as you need them — quickly, easily, and cost-effectively. For single studies, select only the tools essential to your trial. 

Key Features:
- 1 license
- Viedoc EDC (Clinic, Admin, Designer)
- Optional add-on Viedoc products & features

[Browse all 2 editions](https://www.g2.com/products/viedoc/pricing)

#### Free Trial

Yes

### REDCap

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

---
## Features Comparison By Category

### Electronic Data Capture (EDC)

| Product | Score | Reviews |
|---|---|---|
| **Castor** | 9.1/10 | 97 |
| **Viedoc** | 8.9/10 | 234 |
| **REDCap** | 9.2/10 | 66 |

#### Data Management

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Cloud Security - Electronic Data Capture (EDC)** | 9.2 (93 reviews) | 9.1 (151 reviews) | 9.3 (46 reviews) | 
| **Role-Based User Permissions - Electronic Data Capture (EDC)** | 9.3 (95 reviews) | 8.7 (165 reviews) | 9.4 (49 reviews) | 
| **Query Management - Electronic Data Capture (EDC)** | 8.8 (91 reviews) | 8.4 (164 reviews) | 9.1 (47 reviews) | 
| **Data Export - Electronic Data Capture (EDC)** | 8.8 (88 reviews) | 8.8 (164 reviews) | 9.0 (54 reviews) | 

#### Clinical Study Support

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **eCRFs - Electronic Data Capture (EDC)** | 9.2 (93 reviews) | 9.1 (177 reviews) | 9.3 (44 reviews) | 
| **Audit Trail - Electronic Data Capture (EDC)** | 8.9 (91 reviews) | 8.9 (161 reviews) | 9.0 (38 reviews) | 
| **Data Capture - Electronic Data Capture (EDC)** | 9.4 (91 reviews) | 9.2 (166 reviews) | 9.4 (47 reviews) | 
| **Randomization - Electronic Data Capture (EDC)** | 8.8 (88 reviews) | 8.6 (150 reviews) | 9.3 (38 reviews) | 
| **Compliance - Electronic Data Capture (EDC)** | 9.1 (90 reviews) | 9.1 (154 reviews) | 9.1 (39 reviews) | 

### Clinical Trial Management Systems

| Product | Score | Reviews |
|---|---|---|
| **Castor** | N/A | N/A |
| **Viedoc** | 8.4/10 | 70 |
| **REDCap** | N/A | N/A |

#### Operational Data

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Site Management** | Not enough data | Feature Not Available | Not enough data | 
| **Participant Management** | Not enough data | Feature Not Available | Not enough data | 
| **Data Centralization** | Not enough data | 8.4 (48 reviews) | Not enough data | 
| **Contact Management** | Not enough data | Feature Not Available | Not enough data | 

#### Operational Performance

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Project Management** | Not enough data | Feature Not Available | Not enough data | 
| **Documentation** | Not enough data | 8.5 (52 reviews) | Not enough data | 
| **Reporting** | Not enough data | 8.6 (54 reviews) | Not enough data | 
| **Milestones Management** | Not enough data | Feature Not Available | Not enough data | 

### Electronic Trial Master File (eTMF)

| Product | Score | Reviews |
|---|---|---|
| **Castor** | N/A | N/A |
| **Viedoc** | 8.7/10 | 27 |
| **REDCap** | N/A | N/A |

#### Content Management

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Bulk Upload and Indexing** | Not enough data | 8.3 (20 reviews) | Not enough data | 
| **Document Tracking** | Not enough data | 8.8 (20 reviews) | Not enough data | 
| **Version Controlling** | Not enough data | 9.0 (21 reviews) | Not enough data | 
| **Search Engine** | Not enough data | 8.4 (21 reviews) | Not enough data | 
| **File Planning and Milestones** | Not enough data | 8.8 (20 reviews) | Not enough data | 
| **Real-Time Authoring and Collaboration** | Not enough data | Feature Not Available | Not enough data | 
| **Content Workflows** | Not enough data | 8.9 (19 reviews) | Not enough data | 

#### Regulatory Compliance

| Feature | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Dashboards and Reporting** | Not enough data | Feature Not Available | Not enough data | 
| **TMF Reference Models** | Not enough data | 8.9 (20 reviews) | Not enough data | 
| **Inspection Readiness** | Not enough data | 9.1 (20 reviews) | Not enough data | 
| **Role Permissions** | Not enough data | 9.1 (22 reviews) | Not enough data | 

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


**Unique to Viedoc (2):** [Clinical Trial Management Systems](https://www.g2.com/categories/clinical-trial-management-systems), [Electronic Trial Master File (eTMF) Software](https://www.g2.com/categories/electronic-trial-master-file-etmf)



---
## Reviewer Demographics

### By Company Size

| Segment | Castor | Viedoc | REDCap | 
|---|---|---|---|
| **Small-Business** | 48.8% | 35.0% | 19.8% | 
| **Mid-Market** | 16.0% | 30.9% | 16.5% | 
| **Enterprise** | 35.2% | 34.1% | 63.7% | 

### 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%

#### Viedoc

- **Pharmaceuticals:** 25.0%
- **Research:** 17.1%
- **Information Technology and Services:** 14.8%
- **Hospital & Health Care:** 12.0%
- **Biotechnology:** 11.6%
- **Medical Devices:** 7.4%
- **Design:** 2.3%
- **Health, Wellness and Fitness:** 1.9%
- **Consulting:** 1.9%
- **Consumer Services:** 1.4%
- **Other:** 4.6%

#### REDCap

- **Hospital & Health Care:** 34.9%
- **Research:** 30.2%
- **Higher Education:** 20.3%
- **Health, Wellness and Fitness:** 3.3%
- **Medical Practice:** 2.8%
- **Education Management:** 2.4%
- **Government Administration:** 1.4%
- **Biotechnology:** 1.4%
- **Retail:** 0.5%
- **Publishing:** 0.5%
- **Other:** 2.4%

---
## Alternatives

### Alternatives to Castor

- [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) — 4.3/5 stars (206 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)
- [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)
- [Zelta](https://www.g2.com/products/merative-zelta/reviews) — 4.7/5 stars (3 reviews)

### Alternatives to Viedoc

- [Egnyte](https://www.g2.com/products/egnyte/reviews) — 4.4/5 stars (1162 reviews)
- [MasterControl Quality Management System](https://www.g2.com/products/mastercontrol-quality-management-system/reviews) — 4.3/5 stars (522 reviews)
- [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) — 4.3/5 stars (206 reviews)
- [Clinical Research Suite](https://www.g2.com/products/clinical-research-suite/reviews) — 3.8/5 stars (205 reviews)
- [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) — 4.7/5 stars (27 reviews)
- [cubeCDMS](https://www.g2.com/products/cubecdms/reviews) — 4.7/5 stars (150 reviews)
- [Florence eBinders](https://www.g2.com/products/florence-healthcare-florence-ebinders/reviews) — 4.5/5 stars (109 reviews)
- [Greenlight Guru Clinical](https://www.g2.com/products/greenlight-guru-clinical/reviews) — 4.3/5 stars (116 reviews)
- [Veeva Vault](https://www.g2.com/products/veeva-vault/reviews) — 4.1/5 stars (54 reviews)
- [TrialKit](https://www.g2.com/products/trialkit/reviews) — 4.6/5 stars (26 reviews)

### Alternatives to REDCap

- [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) — 4.3/5 stars (206 reviews)
- [Medidata Rave](https://www.g2.com/products/medidata-rave/reviews) — 4.7/5 stars (27 reviews)
- [OpenClinica](https://www.g2.com/products/openclinica/reviews) — 4.2/5 stars (24 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)
- [Zelta](https://www.g2.com/products/merative-zelta/reviews) — 4.7/5 stars (3 reviews)
- [Fusion eClinical Suite EDC](https://www.g2.com/products/fusion-eclinical-suite-edc/reviews) — 3.4/5 stars (57 reviews)

---
## Top Discussions

### Castor

No discussions available for this product.

### Viedoc

- Title: [What is Viedoc used for?](https://www.g2.com/discussions/what-is-viedoc-used-for) — 1 comment
  > **Top comment:** "It is an EDC Platform primarily used in Clinical Trial"

### REDCap

No discussions available for this product.

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/castor-edc-castor-vs-viedoc-vs-redcap)