Which CMPs are IAB TCF 2.3 certified?

UniConsent (CMP ID 68), Usercentrics (ID 5), Cookiebot (ID 134), CookieYes (ID 401), Didomi (ID 7), and OneTrust (ID 28) are all registered on the IAB Europe CMP list. Only UniConsent and OneTrust are also active on the IAB TCF Canada CMP list.

Which CMP has the largest free plan?

UniConsent offers the largest free allowance among major CMPs: up to 50,000 users per month. Usercentrics offers 1,000 sessions/month, CookieYes 5,000 pageviews/month, Cookiebot one domain limited to 50 subpages, while Didomi and OneTrust have no free plan.

Which CMPs support Microsoft UET Consent Mode?

UniConsent, Usercentrics, Cookiebot, CookieYes, and Didomi document Microsoft UET Consent Mode support. OneTrust does not publish official UET consent mode documentation.

How were these comparison facts verified?

Certification claims were checked against the official IAB Europe CMP list, the IAB TCF Canada CMP list, and Google’s published certified CMP partner list. Feature and pricing claims come from each vendor’s public documentation and pricing pages, last verified in August 2026.

CMP Comparison: UniConsent vs Usercentrics vs Cookiebot vs Didomi vs OneTrust

Q: Does UniConsent support enterprise customers?

Yes. Alongside self-service plans, UniConsent offers an Enterprise plan with unlimited websites and apps, an SLA with 24/7 premium support, migration support, hands-on integration service, and price matching with any CMP.

Full Comparison Table

Facts last verified August 2026. Certifications are checkable on the IAB Europe and Google registries linked below.

Swipe the table sideways to compare all six platforms

Fonctionnalité	UniConsent	Usercentrics	Cookiebot	CookieYes	Didomi	OneTrust
IAB TCF 2.3 certified CMP	Yes (CMP ID 68)	Yes (CMP ID 5)	Yes (CMP ID 134, web only)	Yes (CMP ID 401)	Yes (CMP ID 7)	Yes (CMP ID 28)
IAB TCF Canada	Yes (CMP ID 68)	No (not on TCF Canada list)	No (not on TCF Canada list)	No (not on TCF Canada list)	No (not currently listed)	Yes (CMP ID 28)
Google-certified CMP	Yes (web and app)	Yes	Yes	Yes	Yes	Yes
Google Consent Mode v2	Yes	Yes	Yes	Yes	Yes	Yes
Microsoft UET Consent Mode	Yes (certified)	Yes	Yes	Yes	Yes	Not documented
Shopify integration	Yes, Customer Privacy API	Yes, Customer Privacy API	Yes, Customer Privacy API	Yes, Customer Privacy API	Manual theme-code setup (beta)	Yes, Customer Privacy API
WordPress plugin	Yes	Yes	Yes	Yes	Yes (downloadable plugin)	Yes (CookiePro plugin)
Google Tag Manager	Yes	Yes	Yes	Yes	Yes	Yes
GA4 support	Yes	Yes	Yes	Yes	Yes	Yes
Google Ads support	Yes	Yes	Yes	Yes	Yes	Yes
IAB GPP	Yes, incl. MSPA and US states	Yes	Not documented	Not documented	Yes	Yes
Prebid.js header bidding	Yes (TCF, GPP, USP modules)	Via IAB TCF (no dedicated docs)	Via IAB TCF (no dedicated docs)	Via IAB TCF, Pro plan and up	Yes	Yes
Google Ad Manager	Yes, incl. Additional Consent	Yes	Yes	Yes	Yes	Yes
Mobile SDK	iOS, Android, Flutter, React Native	iOS, Android, Flutter, React Native	No (web only)	No (websites only)	iOS, Android, Flutter, React Native	iOS, Android, Flutter, React Native
Geo-targeting	Yes	Yes (Plus tier and up)	Yes (paid plans)	Yes (Pro plan and up)	Yes	Yes
Free plan	Yes, up to 50,000 users/mo	Yes, up to 1,000 sessions/mo	Yes, 1 domain, max 50 subpages	Yes, 5,000 pageviews/mo	No free plan	No free plan
Paid pricing from	From £20/mo self-service; Enterprise plan with SLA	From €7/mo (1,500 sessions)	From €7/mo per domain (50 subpages)	From $10/mo per domain; TCF from $25/mo	Quote-based, no published pricing	Quote-based, no published pricing
Domains / multi-site	Multi-site bundles up to 20 sites; unlimited on Enterprise	1 domain per plan	Per-domain pricing	Per-domain pricing with overage charges	Quote-based	Quote-based, priced on daily visitors

Detailed Comparisons

UniConsent vs Usercentrics

Comparer →

Session-based pricing per domain with a 1,000 sessions/month free tier. UniConsent includes 50,000 users/month free and multi-site bundles.

UniConsent vs Cookiebot

Comparer →

Per-domain pricing with subpage limits and no mobile SDK. UniConsent offers multi-site bundles and iOS/Android/Flutter/React Native SDKs.

UniConsent vs Didomi

Comparer →

Enterprise CMP with quote-based pricing and no free plan. UniConsent offers the same capabilities with transparent self-service pricing.

UniConsent vs OneTrust

Comparer →

Enterprise CMP with custom quotes and no published pricing. UniConsent offers transparent pricing and self-service signup.

UniConsent vs CookieYes

Comparer →

Per-domain, per-pageview pricing with overage charges. UniConsent includes multiple sites with flat rate pricing.

Enterprise-Ready, Without the Enterprise Process

UniConsent is not only a self-service alternative. Large organisations run on the UniConsent Enterprise plan: unlimited websites and apps, an SLA with 24/7 premium support, migration support from any CMP, hands-on integration service, and price matching. You get enterprise-grade service, starting from a transparent price list instead of a quote cycle.

See Enterprise Plan

How We Verified This

Certification claims were checked against the official registries: the IAB Europe CMP list, IAB TCF Canada CMP list, et Google's certified CMP partner list. Feature and pricing claims come from each vendor's public documentation and pricing pages. Entries marked "Not documented" mean no official vendor documentation was found. Facts last verified August 2026. Spotted something outdated? Email us and we will correct it.