Unified ID 2.0 alternatives
6 alternatives to Unified ID 2.0 in Best Identity Resolution & First-Party ID Solutions for Publishers, independently scored — 1 for small publishers, 4 mid-market, 5 enterprise.
Unified ID 2.0 scores 3.4/5 in this benchmark. Last verified Nov 12, 2026 · No vendor payments.
| Compare | Tool | Score | Best for | |||
|---|---|---|---|---|---|---|
| Strong Choice 3 | ||||||
E Ezoic Publisher monetisation platform with ezID first-party identity | 4.0 | Small, Mid-market | ||||
ID5 Free, privacy-compliant universal ID | 3.8 | Mid-market, Enterprise | ||||
LiveRamp RampID Industry-standard authenticated identity graph | 3.8 | Enterprise | ||||
| Fair Fit 2 | ||||||
Audigent First-party data and identity activation | 3.4 | Enterprise | ||||
Optable Customer-owned identity graph with no proprietary ID | 3.4 | Mid-market, Enterprise | ||||
| Limited 1 | ||||||
TT The Trade Desk Independent DSP powering UID2.0 and cross-channel identity graph | 3.2 | Mid-market, Enterprise | ||||
| Compare | Tool | Score | Best for | |||
|---|---|---|---|---|---|---|
| Strong Choice 1 | ||||||
Ezoic Publisher monetisation platform with ezID first-party identity | 4.0 | Small, Mid-market | ||||
| Compare | Tool | Score | Best for | |||
|---|---|---|---|---|---|---|
| Strong Choice 2 | ||||||
Ezoic Publisher monetisation platform with ezID first-party identity | 4.0 | Small, Mid-market | ||||
ID5 Free, privacy-compliant universal ID | 3.8 | Mid-market, Enterprise | ||||
| Fair Fit 1 | ||||||
Optable Customer-owned identity graph with no proprietary ID | 3.4 | Mid-market, Enterprise | ||||
| Limited 1 | ||||||
The Trade Desk Independent DSP powering UID2.0 and cross-channel identity graph | 3.2 | Mid-market, Enterprise | ||||
| Compare | Tool | Score | Best for | |||
|---|---|---|---|---|---|---|
| Strong Choice 2 | ||||||
ID5 Free, privacy-compliant universal ID | 3.8 | Mid-market, Enterprise | ||||
LiveRamp RampID Industry-standard authenticated identity graph | 3.8 | Enterprise | ||||
| Fair Fit 2 | ||||||
Audigent First-party data and identity activation | 3.4 | Enterprise | ||||
Optable Customer-owned identity graph with no proprietary ID | 3.4 | Mid-market, Enterprise | ||||
| Limited 1 | ||||||
The Trade Desk Independent DSP powering UID2.0 and cross-channel identity graph | 3.2 | Mid-market, Enterprise | ||||
Before you switch — what Unified ID 2.0 does well
Strengths
- No publisher fee listed
- Many integration routes, including Prebid and GAM
- Strong demand-side adoption
And where it was marked down
- Only covers authenticated users
- Capturing emails or phone numbers takes product work
- Reporting depends on the SSP or wrapper
Common questions
What is the best alternative to Unified ID 2.0?
There is no single best one. The 6 tools below are grouped by editorial tier and listed A to Z inside each tier. 3 score above Unified ID 2.0's 3.4/5 and 3 below it. Which suits you depends on your publication's size, revenue model and vertical.
Why would a publisher move away from Unified ID 2.0?
Our editors flagged: Only covers authenticated users; Capturing emails or phone numbers takes product work; Reporting depends on the SSP or wrapper. Whether those matter depends on your setup — many publishers run Unified ID 2.0 successfully despite them.
Are these alternatives ranked by paid placement?
No. Every tool here is grouped by editorial tier and listed A to Z within each tier — there is no position to buy. Scores are set by SODP's editorial team against each category's published criteria, and vendors cannot pay for inclusion, for a score, or for a position on this page.
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Four questions, and a scored stack across every benchmark — not just Best Identity Resolution & First-Party ID Solutions for Publishers
Every scored tool in Best Identity Resolution & First-Party ID Solutions for Publishers, with the criteria behind each number
The full assessment, strengths and cost of ownership
