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Head-to-head · Supply Side Platforms

PubMatic vs Adform SSP

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score PubMatic #2 in Supply Side Platforms 8.2/10 Pricing on request ✓ 2 of 2 features Visit PubMatic
Adform SSP #8 in Supply Side Platforms 6.6/10 Pricing on request ✓ 2 of 2 features Visit Adform

PubMatic leads on 0 checks, Adform SSP on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePubMatic · 8.2/10

PubMatic scores higher on our rubric for supply side platforms: 8.2 against 6.6 out of 10; our editors rank them #2 and #8.

PubMatic is the better fit for publishers optimizing cross-screen ad yield. Adform SSP is the better fit for mid-market and enterprise publishers using header bidding.

  • PubMatic fits best

    Publishers optimizing cross-screen ad yield

  • Adform SSP fits best

    Mid-market and enterprise publishers using header bidding

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature PubMatic 8.2/10 Visit ↗ Adform SSP 6.6/10 Visit ↗
At a glance
Editor score 8.2 6.6
Ranking #2 in Supply Side Platforms #8 in Supply Side Platforms
Best for Publishers optimizing cross-screen ad yield Mid-market and enterprise publishers using header bidding
Pricing model Paid Paid
Starting price Not published Not published
Free plan — Not published
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs Docs
Integrations 3 integrations 4 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features PubMatic 2/2 · Adform SSP 2/2
Header bidding support ✓ ✓
Private marketplace deals ✓ ✓
Specs
Inventory channels CTV/OTT, online video, mobile app, mobile web, desktop web video, in-app, desktop, native, mobile, rich media
Auction types real-time bidding (RTB), header bidding, unified auctions, private marketplace and programmatic guaranteed real-time bidding; first-price; second-price; fixed-CPM deals
Ad formats display/banner, static display, video, outstream video, interstitial, rewarded video, native, rich media video, rich media
Reporting detail Advanced Advanced
Our review
Pros
  • OpenWrap supports Prebid-powered header bidding across web and in-app inventory.
  • Supports private marketplace and programmatic-guaranteed deals.
  • Connects monetization across web, mobile, video and CTV/OTT.
  • Combines connected DSP bids in real-time auctions with first- and second-price options
  • Supports video, in-app, desktop, native, mobile and rich media inventory
  • Offers buyer eligibility, pricing, creative controls and transaction-level API exports
Cons
  • Pricing requires contacting sales.
  • Primarily aimed at mid-market and enterprise organizations.
  • Support channels are email and documentation.
  • Pricing is provided through a sales agreement or Insertion Order
  • The listed support channel is documentation
  • Its listed platforms are web and API
Our verdict

PubMatic is a cloud-based supply-side platform for publishers and buyers managing programmatic digital advertising. It connects web, mobile app, online video and CTV/OTT inventory to real-time auctions, with capabilities spanning header…

Read the review →

Adform SSP helps publishers sell digital advertising inventory to buyers through real-time auctions. It collects bids from external demand-side platforms into a combined auction, while publishers can set buyer eligibility rules. Its…

Read the review →
  1. PubMaticSupply Side Platforms 8.2Pricing on request
  2. Adform SSPSupply Side Platforms 6.6Pricing on request

Strengths and trade-offs

  • PubMatic — where it wins

    • OpenWrap supports Prebid-powered header bidding across web and in-app inventory.
    • Supports private marketplace and programmatic-guaranteed deals.
    • Connects monetization across web, mobile, video and CTV/OTT.

    Where it doesn't

    • Pricing requires contacting sales.
    • Primarily aimed at mid-market and enterprise organizations.
    • Support channels are email and documentation.

  • Adform SSP — where it wins

    • Combines connected DSP bids in real-time auctions with first- and second-price options
    • Supports video, in-app, desktop, native, mobile and rich media inventory
    • Offers buyer eligibility, pricing, creative controls and transaction-level API exports

    Where it doesn't

    • Pricing is provided through a sales agreement or Insertion Order
    • The listed support channel is documentation
    • Its listed platforms are web and API
  • PubMatic8.2/10 · Pricing on request

    A cross-screen SSP combining header bidding, deal management and yield optimization.

    Visit PubMaticFull verdict →
  • Adform SSP6.6/10 · Pricing on request

    An SSP for publishers combining header bidding, auction controls and transaction-level reporting.

    Visit AdformFull verdict →

More comparisons

All supply side platforms comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update