Home / Pharmaceutical industry / Castor vs Causaly
Castor vs Causaly
Both are professional tools for the pharmaceutical industry. Castor has a stronger GDPR profile and a provider in the Netherlands; Causaly has a free trial.
CastorCastor (Amsterdam, Netherlands)GDPR: Goodon request
Stronger on 2 by 3 points with a clear margin
CausalyCausaly Ltd (London, United Kingdom)GDPR: Limitedon request (enterprise, via demo) · free trial
Stronger on 1 by 3 points with a clear margin
The key differences
- Castor has a stronger GDPR profile: Good, against Limited for Causaly.
- Causaly has a free trial; we did not find one for Castor.
- Castor is based in the Netherlands, Causaly outside the EU.
| Criterion | Castor | Causaly |
|---|---|---|
| GDPR profileOur summary of what the provider itself publishes about your data. For a professional tool: whether the data is stored in the EU, whether there is a certification or GDPR guarantee, and whether the provider is based in the Netherlands or the EU. For a general model: EU hosting, no training on your data and self-hosting. From Strong to Unknown; Caution only for a model with a documented problem. How we measure | Good | Limited |
| Price | on request | on request (enterprise, via demo) |
| Free trial | Not found | Yes |
| Origin | Netherlands | Outside EU |
Choose Castor if…
- GDPR and confidentiality weigh heavily
- you want a provider in the Netherlands
- What you're looking for: EDC for clinical trials
Choose Causaly if…
- you want to try it for free first
- you're looking for: an AI copilot for researchers
- you're looking for: a biomedical knowledge graph (500M facts)
Features of Castor
- EDC for clinical trials
- eCOA and ePRO on any device
- eConsent: remote or on site
- Data management: cleaning and locking
- Catalyst: AI extraction of source data
- Sources: PDF, scans, EHR export, FHIR
- Confidence score and edit checks
- A human approves every value
Features of Causaly
- An AI copilot for researchers
- Biomedical knowledge graph (500M facts)
- Answers with traceable sources
- Index your own documents and data
- AI agents: plan, search, conclude
- Bio Graph: visualise pathways
- Pipeline Graph: competitive analysis
- Quality control and governance
Frequently asked questions
- Which is better: Castor or Causaly?
- Castor has a stronger GDPR profile and a provider in the Netherlands; Causaly has a free trial. Which matters more to you decides the choice; the table sets everything side by side.
- Which is safer for your data: Castor or Causaly?
- Castor has the stronger GDPR profile (Good versus Limited). The profile summarises what the provider publishes; always sign a data processing agreement. See the GDPR check for the pharmaceutical industry.
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