Legal · head to head
Didomi vs LexisNexis
Didomi
Legal
Google-certified and IAB TCF consent management across web, mobile and connected TV
- From
- On request
- Rated
- -
LexisNexis
Legal
Legal research database sold per seat per practice area, with contract value set by firm size and content modules rather than a list price
- From
- On request
- Rated
- -
The short version
- Each has a real cost: Didomi pricing is based on monthly unique visitors and is not published, so a large publisher cannot estimate cost before entering a sales process, and traffic spikes translate directly into billing surprises.; LexisNexis there is no public rate card for firm-scale contracts, so a buyer has no reference point and depends entirely on the sales negotiation to know if the quote is competitive.
- They diverge on capability: Didomi covers Google CMP certification, LexisNexis covers Case law and statute database.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Didomi and LexisNexis actually diverge.
| Attribute | Didomi | LexisNexis |
|---|---|---|
| Platforms | Web, iOS, Android, Connected TV, API | Web, iOS, Android |
Identical on both: starting price (On request), pricing model (quote), free tier (No), user rating (Not yet rated), category (Legal).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Didomi
- Google CMP certification
- IAB TCF support
- Connected TV and OTT
- Mobile SDKs
- Consent proof storage
- Preference centre
- Consent analytics
- Global privacy regimes
Only in LexisNexis
- Case law and statute database
- Shepard's Citations
- Lexis+ AI
- Practice area modules
- Brief analysis
- Litigation analytics
What people use each for
The jobs each tool is most often brought in to do.
Didomi
- A European publisher whose Google Ad Manager revenue is withheld without a Google-certified CMP integrated with Consent Modenot LexisNexis
- A broadcaster collecting consent on connected TV apps, where certified CMP options are very limitednot LexisNexis
- A multinational advertiser needing one consent signal honoured consistently across web, iOS and Android propertiesnot LexisNexis
- A group that must produce consent evidence to a data protection authority following a complaintnot LexisNexis
LexisNexis
- A solo practitioner or small firm wanting entry-level research access without a multi-year enterprise contractnot Didomi
- A mid-size firm negotiating per-seat pricing across multiple practice areas and needing to model total contract cost before signingnot Didomi
- A litigation team wanting Shepard's citation checking integrated into brief drafting workflownot Didomi
- A corporate legal department standardising research access across in-house counsel with negotiated volume pricingnot Didomi
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Didomi
- Pricing is based on monthly unique visitors and is not published, so a large publisher cannot estimate cost before entering a sales process, and traffic spikes translate directly into billing surprises.
- Consent banners depress measurable traffic by design, and Didomi cannot prevent that, so publishers moving from a non-compliant banner should expect an immediate drop in tracked users and attributable conversions.
- Certification is a moving target: Google and IAB update requirements periodically and each version change forces integration work on your side, not only on the vendor's.
- Connected TV consent collection depends on the app platform and remote control interface, and implementations are considerably more involved than a web banner, often requiring per-platform development.
- The wider privacy suite beyond consent is thinner than dedicated privacy platforms, so an organisation needing data subject rights automation and data mapping usually buys a second vendor anyway.
LexisNexis
- There is no public rate card for firm-scale contracts, so a buyer has no reference point and depends entirely on the sales negotiation to know if the quote is competitive.
- Multi-year contracts are the norm and typically required to reach reasonable per-seat pricing, which locks a firm in before it has tested the platform at scale.
- Content modules are priced and licensed separately, so a quote that looks reasonable for research access can grow substantially once litigation analytics or public records are added.
- Real transaction data shows contract values ranging by more than tenfold for similarly sized buyers, meaning firms with weaker negotiating position or procurement expertise pay materially more for the same access.
- Switching to Westlaw or another provider later means retraining staff on a different search syntax and citation system, which is a real cost that discourages competitive renewal shopping.
Pricing, plan by plan
Didomi
On request- Didomi CMP$undefined/year
- Google-certified CMP for web, mobile and CTV
- IAB TCF registered
- Consent proof storage and analytics
LexisNexis
On request- Lexis+ solo$undefined/month
- Entry-level single-user access, roughly $80 to $170 a month depending on modules
- Lexis+ firm and enterprise$undefined/year
- Per-seat, per-practice-area pricing set by negotiation
- Volume discounts typically apply from around 15 to 20 seats
- Multi-year contracts (2 to 3 years) carry list-price discounts
Which should you pick?
Choose Didomi if
- You need google cmp certification.
- You work on Web, iOS, Android, Connected TV, API.
- You also want iab tcf support.
Choose LexisNexis if
- You need case law and statute database.
- You work on Web, iOS, Android.
- You also want shepard's citations.
Questions people ask
- Is Didomi or LexisNexis better?
- Neither clearly leads. Didomi starts at On request and LexisNexis at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Didomi or LexisNexis?
- Didomi starts at On request and LexisNexis at On request.
- Does Didomi or LexisNexis run on more platforms?
- Didomi runs on Web, iOS, Android, Connected TV, API. LexisNexis runs on Web, iOS, Android.
- What is Didomi best used for?
- Didomi is most often used for a european publisher whose google ad manager revenue is withheld without a google-certified cmp integrated with consent mode, a broadcaster collecting consent on connected tv apps, where certified cmp options are very limited, a multinational advertiser needing one consent signal honoured consistently across web, ios and android properties, a group that must produce consent evidence to a data protection authority following a complaint. Of those, a european publisher whose google ad manager revenue is withheld without a google-certified cmp integrated with consent mode and a broadcaster collecting consent on connected tv apps, where certified cmp options are very limited are not what LexisNexis is typically brought in for.
- What can Didomi do that LexisNexis cannot?
- Didomi covers Google CMP certification, IAB TCF support, Connected TV and OTT, Mobile SDKs. LexisNexis covers Case law and statute database, Shepard's Citations, Lexis+ AI, Practice area modules.
Answered from the vendors’ own pages
Didomi: Is Didomi Google-certified?
Yes, for web, mobile and connected TV, and the certification has been renewed across multiple years.
LexisNexis: How much does LexisNexis cost?
There is no fixed answer. Solo access starts around $80 to $170 a month; firm and enterprise contracts are negotiated per seat, per practice area, with reported annual contract values from roughly $3,400 to over $40,000.
Didomi: Does it support IAB TCF?
Yes, it is a registered TCF CMP, currently supporting version 2.2 and later revisions.
LexisNexis: Does a three-year contract really cost less?
Multi-year terms typically carry meaningful discounts against the annual list price, which is part of why most firm contracts run two to three years rather than one.
Didomi: What does it cost?
Not published. Pricing is based on monthly unique visitors and quoted.
LexisNexis: Is Lexis+ AI included or extra?
AI features under the Protege brand are generally licensed as additional seats or modules on top of core research access, not automatically included.
Didomi: Where is consent data stored?
Didomi is a French company and offers European storage, which matters for procurement teams weighing supervisory jurisdiction.
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