StackAdapt vs Viant DSP

StackAdapt8.8Visit VDViant DSP7.9Visit

Higher score StackAdapt #2 in Demand Side Platform 8.8/10 Pricing on request ✓ 0 of 1 features Visit StackAdapt

vs

VD Viant DSP #8 in Demand Side Platform 7.9/10 Pricing on request ✓ 0 of 1 features Visit Viant

• StackAdapt fits best

  Teams needing broad channels and detailed optimization

• Viant DSP fits best

  Enterprise teams focused on cross-channel measurement

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Side by side

Feature	StackAdapt 8.8/10 Visit ↗	VDViant DSP 7.9/10 Visit ↗
At a glance
Editor score	8.8	7.9
Ranking	#2 in Demand Side Platform	#8 in Demand Side Platform
Best for	Teams needing broad channels and detailed optimization	Enterprise teams focused on cross-channel measurement
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	—	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features StackAdapt 0/1 · Viant DSP 0/1
Attribution reporting	Not checked yet	Not checked yet
Specs
Buying model	Not checked yet	Not checked yet
Ad channels	Not checked yet	Not checked yet
Inventory access	Not checked yet	Not checked yet
Targeting options	Not checked yet	Not checked yet
Supported regions	Not checked yet	Not checked yet
Our review
Pros	Activates campaigns across display, CTV, DOOH, audio, email and other channels. Combines multiple targeting approaches with bid optimization and budget allocation. Includes real-time forecasting, conversion tracking and cross-channel attribution.	Plans and buys across CTV, mobile, audio, desktop, and other formats Connects first-party audience activation with household identity resolution Measures online and offline conversions with attribution reporting
Cons	Pricing is usage-based rather than offered as fixed plan prices. Campaign minimums may apply. Published support channels list documentation.	Pricing is tailored to client needs rather than published by plan Requires a sales conversation to establish pricing Its broad feature set may exceed the needs of single-channel buyers
Our verdict	StackAdapt is a cloud-based demand-side platform for brands, agencies and marketing teams buying programmatic advertising. It brings campaign activation together across display, native, video, connected TV, digital out-of-home, audio,… Read the review →	Viant DSP brings programmatic campaign planning, buying, and measurement into one platform for brands, agencies, and media buyers. Its channel coverage includes connected TV, digital out-of-home, mobile, audio, desktop, and in-game… Read the review →

Strengths and trade-offs

• StackAdapt — where it wins

  • Activates campaigns across display, CTV, DOOH, audio, email and other channels.
  • Combines multiple targeting approaches with bid optimization and budget allocation.
  • Includes real-time forecasting, conversion tracking and cross-channel attribution.

  Where it doesn't

  • Pricing is usage-based rather than offered as fixed plan prices.
  • Campaign minimums may apply.
  • Published support channels list documentation.

• Viant DSP — where it wins

  • Plans and buys across CTV, mobile, audio, desktop, and other formats
  • Connects first-party audience activation with household identity resolution
  • Measures online and offline conversions with attribution reporting

  Where it doesn't

  • Pricing is tailored to client needs rather than published by plan
  • Requires a sales conversation to establish pricing
  • Its broad feature set may exceed the needs of single-channel buyers

• StackAdapt8.8/10 · Pricing on request

  A broad programmatic buying platform with targeting, optimization, forecasting and attribution.

  Visit StackAdaptFull verdict →
• VDViant DSP7.9/10 · Pricing on request

  A cross-channel DSP combining campaign buying, audience activation, and attribution.

  Visit ViantFull verdict →