Didomi vs OneTrust
data privacy & GDPR head-to-head for ERP teams: evidenced capabilities, published pricing, and which ERPs each actually integrates with.
| Starting price | Tiered subscription (CMP, billed by Monthly Unique Visitors) plus a freemium server-side tagging product | Modular annual subscription, quote-based |
| Deployment | Cloud | Cloud |
| Company size | — | Mid-market, Enterprise |
| Stated ERP integrations | None listed | Workday |
| Vendor | Didomi | OneTrust, LLC |
Our take
Where Didomi leads
- Stronger evidenced coverage on 5 of the 27 capabilities where they differ (led by iab tcf / gpp / consent mode support and tracker & script scanning with auto-blocking).
Where OneTrust leads
- Stronger evidenced coverage on 22 of the 27 capabilities where they differ (led by sensitive & regulated data discovery and data flow visualization).
- Stated Workday integration the alternative doesn't list.
Where they differ
The 27 capabilities (of 48 in the data privacy & GDPR taxonomy) where the evidence separates them, biggest gaps first. “Not evidenced” means our research found no public documentation of this capability — the vendor may still offer it. Confirm on a demo.
| Capability | ||
|---|---|---|
| Sensitive & regulated data discoveryData Discovery & Classification | Not evidenced | Core strength Automated data-asset discovery via IAM, cloud provider and CMDB connections |
| Data flow visualizationData Mapping & Records of Processing | Not evidenced | Core strength Data flow visualization across processing activities and vendors |
| Automated RoPA generationData Mapping & Records of Processing | Not evidenced | Core strength Central RoPA generation, including GDPR Article 30 reports |
| IAB TCF / GPP / Consent Mode supportConsent & Preference Management | Core strength IAB TCF v2.2, GPP, Google Consent Mode v2, Microsoft UET Consent Mode and AWS Consent Mode | Not evidenced |
| PIA / DPIA workflow automationPrivacy Risk & Impact Assessments | Not evidenced | Core strength Automated initiation of Privacy/Data Protection Impact Assessments |
| Regulatory research databaseRegulatory Intelligence & Compliance Management | Not evidenced | Core strength DataGuidance regulatory research across 300+ jurisdictions |
| Data asset inventory & catalogingData Discovery & Classification | Not evidenced | Supported |
| Broad data-source connector libraryData Discovery & Classification | Not evidenced | Supported |
| Cross-border transfer identificationData Mapping & Records of Processing | Not evidenced | Supported |
| Contract / DPA analysisData Mapping & Records of Processing | Not evidenced | Supported Vendor privacy assessments and DPA management |
| Identity verificationData Subject Rights (DSAR) Automation | Not evidenced | Supported |
| Deadline / SLA trackingData Subject Rights (DSAR) Automation | Not evidenced | Supported Reporting on DSR volume and fulfillment time |
| Fulfillment audit trailData Subject Rights (DSAR) Automation | Not evidenced | Supported Secure encrypted response delivery and reporting |
| Tracker & script scanning with auto-blockingConsent & Preference Management | Supported Advanced Compliance Monitoring discovers trackers, scripts and vendors | Not evidenced |
| Mobile app & CTV/OTT consentConsent & Preference Management | Supported Cross-device consent unification across web, mobile app and connected TV | Not evidenced |
| Third-party / vendor privacy risk assessmentPrivacy Risk & Impact Assessments | Not evidenced | Supported |
| Automated risk scoring & prioritizationPrivacy Risk & Impact Assessments | Not evidenced | Supported AI-assisted risk identification and mitigation tracking |
| Incident & breach managementPrivacy Risk & Impact Assessments | Not evidenced | Supported |
| Regulatory change monitoringRegulatory Intelligence & Compliance Management | Not evidenced | Supported OneTrust Copilot for tracking regulatory changes |
| Privacy notice / policy managementRegulatory Intelligence & Compliance Management | Not evidenced | Supported |
| Native ERP / HR / CRM connectorsPlatform & Integrations | Not evidenced | Supported Native Workday integration maps personal data across HR, finance and planning |
| Security certificationsPlatform & Integrations | Supported ISO/IEC 27001:2022 certified | Not evidenced |
| Consumer-facing intake portalData Subject Rights (DSAR) Automation | Supported Privacy Requests module | Core strength Consumer-facing intake portal with identity verification |
| Automated discovery, redaction & deletionData Subject Rights (DSAR) Automation | Supported Automates access, deletion and opt-out fulfillment | Core strength Automated data discovery, redaction and deletion across connected systems |
| Consent proof & audit trailConsent & Preference Management | Core strength Consent proof and audit-trail capture, versioning and retrieval | Supported |
| AI agent / MCP governanceAI Governance | Not evidenced | Partial Connects to Microsoft AI Foundry for AI governance |
| Data Security Posture Management (DSPM)Data Security & Risk Management | Not evidenced | Partial Connects to Microsoft Purview and Sentinel for DSPM |
Both grade identically on the other 21 capabilities — see each product's full profile: Didomi, OneTrust.
Didomi vs OneTrust — FAQs
Is Didomi or OneTrust better for ERP integration?
They state different ERP coverage: Didomi lists no ERP integrations publicly; OneTrust lists Workday.
Which is cheaper, Didomi or OneTrust?
Neither publishes a list price — both quote. Ask each for the all-in first-year cost at your seat count, as one number, and compare those.
Get pricing for both
Tell us your ERP, seat count and must-haves and we'll come back with an independent view of what Didomi and OneTrust should each cost you — and whether a third option belongs on your shortlist.