---
title: "Castor: search popularity worldwide"
description: "Electronic data capture software for clinical trials. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/brands/castor-edc"
publisher: "Brandwave"
---

# Castor: search popularity worldwide

Electronic data capture software for clinical trials. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Brand**: Castor
- **Market**: Global
- **Measured month**: Sep 2026
- **Share of Search among clinical trial software**: 1%

## Where the brand sits

| Competitive set | Rank | Share of Search | Estimated monthly branded searches |
| --- | --- | --- | --- |
| Clinical trial software | 7 | 1% | 4.4K |

- [Clinical trial software](/demand/global-en/categories/clinical-trial-software)

## How has branded search demand for Castor changed worldwide over the last 12 months?

- Across the 12 months ending September 2026, estimated monthly branded searches for Castor worldwide fell from 5.4K to 4.4K.
- Across the 12 months ending September 2026, Castor’s share of searches among clinical trial software worldwide held steady, from 1.2% to 1%.

## How did search popularity change for clinical trial software worldwide in September 2026?

- In September 2026, IQVIA gained share of searches among clinical trial software worldwide, from 53.6% to 57%.
- In September 2026, Medidata gained share of searches among clinical trial software worldwide, from 8.8% to 9.4%.
- In September 2026, Veeva lost share of searches among clinical trial software worldwide, from 19.7% to 17.1%.
- In September 2026, Clario lost share of searches among clinical trial software worldwide, from 10.8% to 9.4%.
- Estimated monthly branded searches for REDCap worldwide rose 22.3% over 12 measured months, from 14.8K to 18.1K in September 2026.
- Estimated monthly branded searches for Castor worldwide fell 18.5% over 12 measured months, from 5.4K to 4.4K in September 2026.

## Historical estimated branded-search demand

| Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Clinical trial software | 5.4K | 1.2% | 7 |
| Nov 2025 | Clinical trial software | 5.4K | 1.3% | 7 |
| Dec 2025 | Clinical trial software | 4.4K | 1.3% | 7 |
| Jan 2026 | Clinical trial software | 5.4K | 1.3% | 7 |
| Feb 2026 | Clinical trial software | 4.4K | 1.1% | 7 |
| Mar 2026 | Clinical trial software | 5.4K | 1.2% | 7 |
| Apr 2026 | Clinical trial software | 5.4K | 1.3% | 7 |
| May 2026 | Clinical trial software | 4.4K | 1.2% | 7 |
| Jun 2026 | Clinical trial software | 4.4K | 1.1% | 7 |
| Jul 2026 | Clinical trial software | 4.4K | 1.1% | 7 |
| Aug 2026 | Clinical trial software | 3.6K | 0.96% | 7 |
| Sep 2026 | Clinical trial software | 4.4K | 1% | 7 |

## How are Castor’s branded searches counted?

Brandwave collects information about searches that people make online using Castor’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

- “castor edc”

## Which clinical trial software compete with Castor?

- [IQVIA](/demand/global-en/brands/iqvia)
- [Veeva](/demand/global-en/brands/veeva): Head-to-head: /demand/global-en/compare/castor-edc-vs-veeva
- [Clario](/demand/global-en/brands/clario): Head-to-head: /demand/global-en/compare/castor-edc-vs-clario
- [Medidata](/demand/global-en/brands/medidata): Head-to-head: /demand/global-en/compare/castor-edc-vs-medidata
- [REDCap](/demand/global-en/brands/redcap): Head-to-head: /demand/global-en/compare/castor-edc-vs-redcap
- [Oracle Health](/demand/global-en/brands/oracle-health): Head-to-head: /demand/global-en/compare/castor-edc-vs-oracle-health

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Cite this page

Brandwave. "Castor: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/castor-edc

This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/castor-edc. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.