Freestar vs Google AdX (via GAM)
Freestar
A premier ad management and yield optimization platform for high-traffic digital publishers
Publishers using it: 39 · incl. Al Jazeera, Boston Globe Media, Fortune
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: 31
Last verified Nov 11, 2026
At a glance
- Freestar scores 3.8/5 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 integration & ad-ops workload (Freestar 4.5, Google AdX (via GAM) 2.0) and payment terms & reliability (Freestar 2.5, Google AdX (via GAM) 4.8); they are within 0.3 on 3 of 10 criteria.
- Freestar is built for mid-market and enterprise publishers; Google AdX (via GAM) for small, mid-market and enterprise.
- On total cost of ownership Freestar scores 2.2 and Google AdX (via GAM) 2.2 (higher means better value, not a lower price).
- In our tracking 39 publishers use Freestar and 672 use Google AdX (via GAM); 31 run both.
- Scores last verified 11 Nov 2026. Vendors cannot pay for a score or a position.
Where they differ
Freestar is stronger on integration & ad-ops workload (4.5 vs 2.0).
Google AdX (via GAM) is stronger on payment terms & reliability (4.8 vs 2.5), eligibility & onboarding (3.0 vs 1.5) and publisher control & transparency (4.5 vs 3.0).
Which one fits
Choose Freestar if…
- You publish at mid-market and enterprise scale.
- You weight integration & ad-ops workload heavily — Freestar leads on it in this benchmark.
Choose Google AdX (via GAM) if…
- You publish at small, mid-market and enterprise scale.
- You weight payment terms & reliability, publisher control & transparency and eligibility & onboarding heavily — Google AdX (via GAM) leads on those in this benchmark.
Also weighing these
The nearest-scored tools to Freestar and Google AdX (via GAM) in this benchmark, listed A to Z.
- 3.9AditudeUnified programmatic ad-tech platform for enterprise publishers and modern media companiesRead review
- 3.9PubliftProgrammatic ad tech platform empowering publishers with Fuse technology to maximize revenue through AI-driven optimization. (Acquired by carsales (Car Group Limited) in February 2023; continues to operate and expand under the original Publift brand name.)Read review
- 3.9Raptive (AdThrive)A leading digital media platform providing elite ad monetization, audience growth tools, and AI infrastructure.Read review
- 3.9SovrnA comprehensive platform for publishers to maximize revenue through advertising, commerce, and data-driven insights.Read 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 (31): Boston Globe Media, Lee Enterprises, Liverpool Echo, Meetup, The Motley Fool, The Philadelphia Inquirer, Benzinga, CoinDesk and 23 more
Head to head
| Criterion | Freestar | 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 | 4.5 | 4.6 |
| Publisher control & transparency12% of capability | 3.0 | 4.5 |
| Page speed & Core Web Vitals impact10% of capability | 3.0 | 3.6 |
| Payment terms & reliability10% of capability | 2.5 | 4.8 |
| Integration & ad-ops workload8% of capability | 4.5 | 2.0 |
| Reporting & reconciliation8% of capability | 3.5 | 4.5 |
| Consent & privacy readiness5% of capability | 3.5 | 4.6 |
| Eligibility & onboarding5% of capability | 1.5 | 3.0 |
| Capability45% of composite | 3.7 | 4.3 |
| Publisher fit40% of composite | 4.5 | 4.5 |
| Total cost of ownership15% of composite | 2.2 | 2.2 |
Cost of ownership
| Sub-score | Freestar | Google AdX (via GAM) |
|---|---|---|
| Pricing transparency | 1.3 | 1.9 |
| Entry cost | 0.9 | 3.1 |
| Implementation cost | 2.6 | 1.1 |
| Hidden-fee risk | 3.6 | 2.2 |
| Ongoing cost | 2.6 | 2.6 |
Freestar pricing
Operates on a transparent revenue-share model; custom enterprise pricing typically requires a minimum of 1M to 5M monthly pageviews and 12 months of historical traffic data.
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
Freestar
10 positive · 9 neutral · 2 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.
Freestar scores 3.8 and Google AdX (via GAM) scores 4.0 in Benchmark Grid's independent Best Ad Networks for Publishers benchmark (benchmarkgrid.com/vs/freestar/google-adx-via-gam, verified Nov 11, 2026)
Common questions
How do Freestar and Google AdX (via GAM) differ?
Freestar is stronger on integration & ad-ops workload (4.5 vs 2.0). Google AdX (via GAM) is stronger on payment terms & reliability (4.8 vs 2.5), eligibility & onboarding (3.0 vs 1.5) and publisher control & transparency (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, Freestar or Google AdX (via GAM)?
On total cost of ownership — pricing transparency, entry cost, implementation, hidden-fee risk and ongoing cost — Freestar scores 2.2/5 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 Freestar 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.
