Amazon Publisher Services (APS) vs Google AdX (via GAM)
Amazon Publisher Services (APS)
Shaping the future of digital advertising
Publishers using it: 56 · incl. ABC27, Business Insider, Daily Mail
Google AdX (via GAM)
A unified ad-serving and programmatic exchange platform for maximizing cross-screen digital revenue
Publishers using it: 672 · incl. 20 Minuten, ABC27, AccuWeather
Publishers running both: 53
Last verified Nov 11, 2026
At a glance
- Amazon Publisher Services (APS) scores 4.0/5 and Google AdX (via GAM) scores 4.0/5 in Benchmark Grid's independent ad networks benchmark, both assessed on the same 10 criteria.
- The widest gaps are consent & privacy readiness (Amazon Publisher Services (APS) 2.8, Google AdX (via GAM) 4.6) and publisher control & transparency (Amazon Publisher Services (APS) 2.8, Google AdX (via GAM) 4.5); they are within 0.3 on 3 of 10 criteria.
- Amazon Publisher Services (APS) is built for mid-market and enterprise publishers; Google AdX (via GAM) for small, mid-market and enterprise.
- On total cost of ownership Amazon Publisher Services (APS) scores 3.7 and Google AdX (via GAM) 2.2 (higher means better value, not a lower price).
- In our tracking 56 publishers use Amazon Publisher Services (APS) and 672 use Google AdX (via GAM); 53 run both.
- Scores last verified 11 Nov 2026. Vendors cannot pay for a score or a position.
Where they differ
Google AdX (via GAM) is stronger on consent & privacy readiness (4.6 vs 2.8), publisher control & transparency (4.5 vs 2.8), payment terms & reliability (4.8 vs 3.3) and reporting & reconciliation (4.5 vs 3.0).
Which one fits
Choose Amazon Publisher Services (APS) if…
- You publish at mid-market and enterprise scale.
- You weight integration & ad-ops workload and page speed & Core Web Vitals impact heavily — Amazon Publisher Services (APS) leads on those in this benchmark.
Choose Google AdX (via GAM) if…
- You publish at small, mid-market and enterprise scale.
- You weight consent & privacy readiness, publisher control & transparency and payment terms & reliability heavily — Google AdX (via GAM) leads on those in this benchmark.
Also weighing these
The nearest-scored tools to Amazon Publisher Services (APS) and Google AdX (via GAM) in this benchmark, listed A to Z.
- 4.1Google AdSenseMonetize website content through automated high-quality ads targeted to your specific digital audienceRead review
- 4.0Index ExchangeIndependent omnichannel programmatic exchange for premium publishers to maximize advertising revenueRead review
- 4.1MediavineA full-service ad management platform optimizing revenue through lifestyle-focused programmatic advertisingRead review
- 4.1MonetizeMoreAI-driven ad operations platform for maximizing revenue through header bidding and fraud protectionRead review
All 36 scored tools are in Best Ad Networks 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 (53): ABC27, El Tiempo, Fox News, Fox Sports, Global News, iHeartRadio, IMDb, India Today and 45 more
Amazon Publisher Services (APS) only · 3
Head to head
| Criterion | Amazon Publisher Services (APS) | Google AdX (via GAM) |
|---|---|---|
| Revenue yield & RPM uplift16% of capability | 4.6 | 4.8 |
| Demand access & header bidding14% of capability | 4.7 | 4.7 |
| Ad quality & brand safety controls12% of capability | 4.2 | 4.6 |
| Publisher control & transparency12% of capability | 2.8 | 4.5 |
| Page speed & Core Web Vitals impact10% of capability | 4.3 | 3.6 |
| Payment terms & reliability10% of capability | 3.3 | 4.8 |
| Integration & ad-ops workload8% of capability | 2.8 | 2.0 |
| Reporting & reconciliation8% of capability | 3.0 | 4.5 |
| Consent & privacy readiness5% of capability | 2.8 | 4.6 |
| Eligibility & onboarding5% of capability | 3.0 | 3.0 |
| Capability45% of composite | 3.8 | 4.3 |
| Publisher fit40% of composite | 4.5 | 4.5 |
| Total cost of ownership15% of composite | 3.7 | 2.2 |
Cost of ownership
| Sub-score | Amazon Publisher Services (APS) | Google AdX (via GAM) |
|---|---|---|
| Pricing transparency | 3.0 | 1.9 |
| Entry cost | 4.5 | 3.1 |
| Implementation cost | 2.0 | 1.1 |
| Hidden-fee risk | 4.5 | 2.2 |
| Ongoing cost | 4.5 | 2.6 |
Amazon Publisher Services (APS) pricing
No publisher fee; a 2.5% service fee is charged to bidders.
Google AdX (via GAM) pricing
Free 'Small Business' tier available for up to 90-200 million monthly impressions; Ad Manager 360 requires custom enterprise pricing.
What users say
Amazon Publisher Services (APS)
10 positive · 3 neutral · 0 negative
Google AdX (via GAM)
1 positive · 4 neutral · 2 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.
Amazon Publisher Services (APS) scores 4.0 and Google AdX (via GAM) scores 4.0 in Benchmark Grid's independent Best Ad Networks for Publishers benchmark (benchmarkgrid.com/vs/amazon-publisher-services/google-adx-via-gam, verified Nov 11, 2026)
Common questions
How do Amazon Publisher Services (APS) and Google AdX (via GAM) differ?
Google AdX (via GAM) is stronger on consent & privacy readiness (4.6 vs 2.8), publisher control & transparency (4.5 vs 2.8), payment terms & reliability (4.8 vs 3.3) and reporting & reconciliation (4.5 vs 3.0). 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, Amazon Publisher Services (APS) or Google AdX (via GAM)?
On total cost of ownership — pricing transparency, entry cost, implementation, hidden-fee risk and ongoing cost — Amazon Publisher Services (APS) scores 3.7/5 and Google AdX (via GAM) scores 2.2/5. 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 Ad Networks for Publishers. See alternatives to Amazon Publisher Services (APS) or alternatives to Google AdX (via GAM).
Weighing a third option? Add a tool to this comparison.
Where to next
Related comparisons
Other head-to-heads publishers look at in Best Ad Networks for Publishers.
