# Castor vs Viedoc Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Viedoc excels in user-friendliness, with many users appreciating its intuitive interface and easy study configuration. One user highlighted that the ability to reuse existing design templates simplifies the setup process, making it less daunting for new users.
- **Users say** that Castor provides a clear and organized data collection process, with features like numbered questions and a progress list that help users track their work effectively. This clarity is particularly beneficial for those transitioning from paper CRFs, as it minimizes the risk of missing important data.
- **Reviewers mention** that Viedoc's database design visibility is a standout feature, allowing for better control over what data entry staff can see. This capability significantly reduces data entry errors, which is a common concern in clinical data management.
- **According to verified reviews** , Castor shines in its ease of navigation and data entry, with users noting that the platform is straightforward to use. This ease of use is complemented by features that flag missing entries, helping users maintain data integrity throughout the study.
- **G2 reviewers highlight** that both platforms offer strong support, but Viedoc's recent user feedback emphasizes its comprehensive design and edit checks, which streamline the study management process. Users appreciate the ability to manage these checks easily, enhancing overall efficiency.
- **Users report** that while both platforms have their strengths, Viedoc's recent activity and higher G2 Score suggest a more robust and reliable user experience overall. With a greater number of recent reviews, Viedoc appears to be more actively meeting the needs of its users compared to Castor.



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

---
## 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)

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

---
## Features Comparison By Category

### Electronic Data Capture (EDC)

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

#### Data Management

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

#### Clinical Study Support

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

### Clinical Trial Management Systems

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

#### Operational Data

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

#### Operational Performance

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

### Electronic Trial Master File (eTMF)

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

#### Content Management

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

#### Regulatory Compliance

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

---
## 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 | 
|---|---|---|
| **Small-Business** | 48.8% | 35.0% | 
| **Mid-Market** | 16.0% | 30.9% | 
| **Enterprise** | 35.2% | 34.1% | 

### 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%

---
## Alternatives

### Alternatives to Castor

- [REDCap](https://www.g2.com/products/redcap/reviews) — 4.3/5 stars (221 reviews)
- [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)

### 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 (523 reviews)
- [Medrio EDC](https://www.g2.com/products/medrio-edc/reviews) — 4.3/5 stars (206 reviews)
- [REDCap](https://www.g2.com/products/redcap/reviews) — 4.3/5 stars (221 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)

---
## 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"

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