Didomi vs OneTrust
Didomi
The privacy platform that powers better data
Publishers using it: 21 · incl. Campaign Live, Euronews, Journal du Dimanche (JDD)
OneTrust
Make Governance Work at the Speed and Scale of AI.
Publishers using it: 122 · incl. 20 Minuten, ABC27, Al Jazeera
Publishers running both: 1
Last verified Nov 13, 2026
At a glance
- Didomi scores 3.7/5 and OneTrust scores 3.5/5 in Benchmark Grid's independent consent management platforms (cmps) benchmark, both assessed on the same 10 criteria.
- The widest gaps are global privacy regulation coverage (gdpr/ccpa/lgpd) (Didomi 4.3, OneTrust 4.9) and support, documentation & implementation (Didomi 2.8, OneTrust 3.4); they are within 0.3 on 7 of 10 criteria.
- Both are built for mid-market and enterprise publishers.
- On total cost of ownership Didomi scores 2.5 and OneTrust 1.7 (higher means better value, not a lower price).
- In our tracking 21 publishers use Didomi and 122 use OneTrust; 1 runs both.
- Scores last verified 13 Nov 2026. Vendors cannot pay for a score or a position.
Where they differ
OneTrust is stronger on global Privacy Regulation Coverage (GDPR/CCPA/LGPD) (4.9 vs 4.3), support, Documentation & Implementation (3.4 vs 2.8), cross-Device & App Consent Sync (3.9 vs 3.5) and ad Recovery & Vendor Gating (3.5 vs 3.2).
Which one fits
Choose Didomi if…
- You publish at mid-market and enterprise scale.
Choose OneTrust if…
- You publish at mid-market and enterprise scale.
- You weight global Privacy Regulation Coverage (GDPR/CCPA/LGPD), support, Documentation & Implementation and cross-Device & App Consent Sync heavily — OneTrust leads on those in this benchmark.
Also weighing these
The nearest-scored tools to Didomi and OneTrust in this benchmark, listed A to Z.
- 3.7InMobi ChoiceFree IAB TCF consent management platform for publishersRead review
- 3.2KetchPrivacy and consent as a data assetRead review
- 3.9SourcepointConsent, vendor, and privacy workflow platformRead review
- 3.8UniConsentCMP for first-party data and ad consentRead review
All 9 scored tools are in Best Consent Management Platforms (CMPs) for Publishers.
Who uses them
Publishers we have detected running each tool, from ads.txt, site code and published case studies. Agencies, brands and vendors are excluded.
Running both (1): Outside
Head to head
| Criterion | Didomi | OneTrust |
|---|---|---|
| IAB TCF v2.2 Compliance & Ad-Tech Signal Propagation14% of capability | 4.5 | 4.8 |
| Consent Capture UX & Opt-In Rate Optimization12% of capability | 4.2 | 4.2 |
| First-Party Data & Preference Center Enablement12% of capability | 4.0 | 4.0 |
| Global Privacy Regulation Coverage (GDPR/CCPA/LGPD)12% of capability | 4.3 | 4.9 |
| Google Consent Mode v2 Integration12% of capability | 4.4 | 4.7 |
| CMS & Tag Manager Integration10% of capability | 3.8 | 3.8 |
| Ad Recovery & Vendor Gating8% of capability | 3.2 | 3.5 |
| Cross-Device & App Consent Sync8% of capability | 3.5 | 3.9 |
| Latency & Page-Load Impact6% of capability | 3.0 | 3.2 |
| Support, Documentation & Implementation6% of capability | 2.8 | 3.4 |
| Capability45% of composite | 3.9 | 4.2 |
| Publisher fit40% of composite | 4.0 | 3.5 |
| Total cost of ownership15% of composite | 2.5 | 1.7 |
Cost of ownership
| Sub-score | Didomi | OneTrust |
|---|---|---|
| Pricing transparency | 1.0 | 1.0 |
| Entry cost | 1.0 | 1.0 |
| Implementation cost | 2.5 | 1.5 |
| Hidden-fee risk | 3.5 | 2.5 |
| Ongoing cost | 4.5 | 2.5 |
Didomi pricing
No published pricing on file.
OneTrust pricing
Pricing based on admin users and AI inventory
What users say
Didomi
10 positive · 6 neutral · 2 negative
OneTrust
7 positive · 7 neutral · 1 negative
Mentions we could not tie to a real user, and those flagged as promotional, are excluded. Sentiment is opinion, and is independent of the verified publisher adoptions above.
Didomi scores 3.7 and OneTrust scores 3.5 in Benchmark Grid's independent Best Consent Management Platforms (CMPs) for Publishers benchmark (benchmarkgrid.com/vs/didomi/onetrust, verified Nov 13, 2026)
Common questions
How do Didomi and OneTrust differ?
OneTrust is stronger on global Privacy Regulation Coverage (GDPR/CCPA/LGPD) (4.9 vs 4.3), support, Documentation & Implementation (3.4 vs 2.8), cross-Device & App Consent Sync (3.9 vs 3.5) and ad Recovery & Vendor Gating (3.5 vs 3.2). Neither is better in the abstract — which one suits you depends on which of those dimensions carries the most weight in your operation.
Which is cheaper, Didomi or OneTrust?
On total cost of ownership — pricing transparency, entry cost, implementation, hidden-fee risk and ongoing cost — Didomi scores 2.5/5 and OneTrust scores 1.7/5. A higher score means better value, not a lower sticker price.
How are these scores calculated?
Each tool is assessed against its category's published criteria (10 in this benchmark), which make up Capability (45% of the composite), Publisher fit (40%) and Total cost of ownership (15%). Assessment is carried out by SODP's editorial team against a published methodology. Vendors cannot pay for inclusion, scores or positions.
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Both tools are scored in Best Consent Management Platforms (CMPs) for Publishers. See alternatives to Didomi or alternatives to OneTrust.
Weighing a third option? Add a tool to this comparison.
Where to next
Four questions, and a scored stack across every benchmark — not just Best Consent Management Platforms (CMPs) for Publishers
Every scored tool in Best Consent Management Platforms (CMPs) for Publishers, with the criteria behind each number
Every category, independently scored
Related comparisons
Other head-to-heads publishers look at in Best Consent Management Platforms (CMPs) for Publishers.
