Best Demand Side Platform (DSP) for Medium-Sized Businesses - Page 2

How Many Demand Side Platform (DSP) Products Does G2 Track?

Total Products under this Category: 172

Category Stats (Sep 2026)

  • Average Rating: 4.25/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: illumin (+0.12%) - Among all products in this category, illumin recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Demand Side Platform (DSP) Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 10,000+ Authentic Reviews
  • 172+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Demand Side Platform (DSP)

G2 Grid® for Demand Side Platform (DSP) plotting products by satisfaction and market presence

Highlighted products: StackAdapt, The Trade Desk, Viant Technology, Simpli.fi, Quantcast Platform, illumin, AdRoll ABM (Formerly RollWorks), and AdRoll.

Underlying data: [Grid® JSON](https://www.g2.com/categories/demand-side-platform-dsp/grids.json?focus%5B%5D=stackadapt&focus%5B%5D=the-trade-desk&focus%5B%5D=viant-technology-llc-viant-technology&focus%5B%5D=simpli-fi&focus%5B%5D=quantcast-platform&focus%5B%5D=illumin-illumin&focus%5B%5D=adroll-abm-formerly-rollworks&focus%5B%5D=adroll&segment=mid-market)

MediaMath by Infillion

MediaMath is a global omnichannel demand-side platform (DSP) that opens up the limitless possibilities of programmatic to meet brands' and agencies' unique goals. A pioneer in the industry introducing the first DSP with the company's founding in 2007, MediaMath was acquired by Infillion in 2023, an advertising technology company that owns and markets premium advertising products, to provide advertisers with an end-to-end solution including attention-guaranteed video and unique first-party data for future-proofed programmatic and creative solutions. MediaMath's programmatic platform offers a customizable tech stack with a modular, API-first approach for flexibility and customization, future-proofed identity solutions to expand addressability, curated inventory optimized towards specific KPIs for powerful results, and transparency into performance for improved efficiency. 

Average Rating: 3.9/5.0

Total Reviews: 118

How Do G2 Users Rate MediaMath by Infillion?

  • Has the product been a good partner in doing business?: 8.2/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.9/10 (Category avg: 8.3/10)
  • Performance and Reliability: 7.6/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 6.9/10 (Category avg: 8.1/10)

Who Is the Company Behind MediaMath by Infillion?

  • Seller: Infillion
  • Company Website:
  • Year Founded: 2008
  • HQ Location: New York, US
  • Twitter: @infilliontech
    300 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    186 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Account Manager
  • Top Industries: Marketing and Advertising, Internet
  • Company Size: 51% Medium, 25% Small

What Do G2 Reviewers Say About MediaMath by Infillion?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the unique campaign categories and excellent customer support offered by MediaMath's Ad Management.
  • Users appreciate the transparency and control over spending that MediaMath by Infillion offers for effective advertising management.
  • Users appreciate the transparency and control over spending offered by MediaMath, enhancing budget management efficiency.
  • Users value the unique campaign options in MediaMath by Infillion, combined with excellent customer support.
  • Users value the unique campaign opportunities MediaMath offers, along with excellent customer support services.
Cons
  • Users find the complexity and outdated UI of MediaMath cumbersome, with navigation and setup being particularly challenging.
  • Users find the initial setup complex, leading to frustration with navigation and dashboard updates in MediaMath.
  • Users find the complex user interface outdated and difficult to navigate, complicating their overall experience.
  • Users find the dashboard issues frustrating, highlighting outdated UI, complicated navigation, and slow report updates.
  • Users find the difficult navigation challenging due to an outdated UI and complex menus that hinder usability.

What Are Recent G2 Reviews of MediaMath by Infillion?

What Are G2 Users Discussing About MediaMath by Infillion?

Yahoo AdTech DSP

Built for the way you buy, the Verizon Media DSP* provides exclusive access to Verizon Media's wealth of data and insights from nearly one billion users. Our advanced DSP combines machine learning optimization with enhanced productivity features that give marketers the flexibility and control to manage omni-channel programmatic strategy, effectively hit complex branding and performance goals, and reach precise audiences with premium inventory across every device. *Formerly BrightRoll DSP, Oath Ad Platforms

Average Rating: 3.6/5.0

Total Reviews: 175

How Do G2 Users Rate Yahoo AdTech DSP?

  • Has the product been a good partner in doing business?: 7.6/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 6.7/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.0/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 7.3/10 (Category avg: 8.1/10)

Who Is the Company Behind Yahoo AdTech DSP?

  • Seller: Verizon Media
  • Year Founded: 2005
  • HQ Location: San Francisco, CA
  • Twitter: @FlurryMobile
    16,225 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    11 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Account Executive
  • Top Industries: Marketing and Advertising, Internet
  • Company Size: 45% Small, 37% Medium

What Do G2 Reviewers Say About Yahoo AdTech DSP?

AI-generated summary from verified user reviews

Pros
  • Users value the unified buying experience of Yahoo AdTech DSP, enhancing campaign management with advanced tools.
  • Users value the advanced audience targeting of Yahoo AdTech DSP, achieving precise segmentation for better campaign effectiveness.
  • Users value the unified buying experience of Yahoo AdTech DSP, streamlining inventory and targeting in one platform.
  • Users value the unified buying experience of Yahoo AdTech DSP, integrating targeting and performance tracking seamlessly.
  • Users value the intuitive user interface of Yahoo AdTech DSP, simplifying campaign setup and reporting significantly.
Cons
  • Users experience delays in reporting and creative approval, hindering timely access to performance data and campaign launches.
  • Users face reporting and creative approval delays that hinder timely access to data and affect campaign launches.
  • Users often face campaign management issues with reporting and creative approval delays that hinder timely performance analysis.
  • Users experience delayed implementation due to reporting and creative approval delays, impacting the overall campaign timeline.
  • Users often face delay issues with reporting and creative approvals, impacting campaign performance and launch schedules.

What Are Recent G2 Reviews of Yahoo AdTech DSP?

What Are G2 Users Discussing About Yahoo AdTech DSP?

Nexxen

We help you reach your consumers & maximize your ROI​. Our true, full-stack solution, unique data and creative services simplify your programmatic ad journey to help you get the results you want.

Average Rating: 3.8/5.0

Total Reviews: 51

How Do G2 Users Rate Nexxen?

  • Has the product been a good partner in doing business?: 7.9/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.3/10 (Category avg: 8.3/10)
  • Performance and Reliability: 7.9/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 7.5/10 (Category avg: 8.1/10)

Who Is the Company Behind Nexxen?

  • Seller: Nexxen
  • HQ Location: New York, New York, United States
  • LinkedIn® Page: www.linkedin.com
    792 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 56% Large, 35% Medium

What Are Recent G2 Reviews of Nexxen?

What Are G2 Users Discussing About Nexxen?

Choozle

Choozle – Digital Advertising Made Easy® offers a powerful platform and expert services for omnichannel digital advertising across programmatic, search, and social. Marketers can run data-driven campaigns across display, connected TV, video, mobile, and more—using one intuitive interface backed by strategic support.

Average Rating: 4.2/5.0

Total Reviews: 198

How Do G2 Users Rate Choozle?

  • Has the product been a good partner in doing business?: 8.8/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.3/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.0/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.3/10 (Category avg: 8.1/10)

Who Is the Company Behind Choozle?

  • Seller: Choozle, Inc.
  • Company Website:
  • Year Founded: 2012
  • HQ Location: Denver, Colorado
  • Twitter: @choozle
    1,235 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    52 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Digital Marketing Manager, CEO
  • Top Industries: Marketing and Advertising, Financial Services
  • Company Size: 73% Small, 21% Medium

What Do G2 Reviewers Say About Choozle?

AI-generated summary from verified user reviews

Pros
  • Users appreciate Choozle's brilliant audience targeting and behavioral analytics for enhancing their digital marketing efforts.
  • Users value the supportive campaign management team at Choozle, which enhances collaboration and strategic insights.
  • Users commend the supportive and collaborative team at Choozle, enhancing campaign management and strategic recommendations.
  • Users appreciate the user-friendly interface of Choozle, simplifying digital marketing and campaign management.
  • Users find Choozle to be affordable, providing high ad technology without breaking the budget.
Cons
  • Users face insufficient training challenges in Choozle, causing difficulties in achieving quality ad performance.
  • Users feel that account issues arise due to the team's overloaded management, leading to missed details and less attention.
  • Users report account management issues, noting that attention to detail may be lacking due to high account volume.
  • Users face frequent errors and delays during campaign management, impacting outcomes and requiring better creative guidelines.
  • Users face challenges due to data inaccuracy, hindering effective reporting and analysis in Choozle.

What Are Recent G2 Reviews of Choozle?

What Are G2 Users Discussing About Choozle?

mediasmart

mediasmart is an omnichannel programmatic platform that empowers marketers to integrate the consumer journey across connected devices like mobile, CTV, and DOOH. By leveraging online and offline behavioural signals mediasmart helps to better target and personalize brand message to deliver a unified and impactful communication. Marketers have the ability to use the platform on self-serve, managed-serve, or by building their own solutions on top of its open APIs. For more information visit www.mediasmart.io

Average Rating: 4.4/5.0

Total Reviews: 73

How Do G2 Users Rate mediasmart?

  • Has the product been a good partner in doing business?: 8.6/10 (Category avg: 8.5/10)
  • Cross Channel Capabilities : 8.0/10 (Category avg: 8.3/10)
  • Performance and Reliability: 8.2/10 (Category avg: 8.4/10)
  • Cross-Device Capabilities: 8.1/10 (Category avg: 8.1/10)

Who Is the Company Behind mediasmart?

  • Seller: mediasmart
  • Year Founded: 2011
  • HQ Location: Madrid
  • Twitter: @mediasmartio
    707 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    78 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Marketing and Advertising, Online Media
  • Company Size: 71% Small, 22% Medium

What Do G2 Reviewers Say About mediasmart?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the effective audience targeting of Mediasmart, enabling personalized ad campaigns that maximize impact and ROI.
  • Users commend Mediasmart for its exceptional creativity, offering cutting-edge solutions and innovative advertising technologies.
  • Users appreciate the user-friendly interface of Mediasmart, enabling effective and efficient targeting for ad campaigns.
  • Users commend Mediasmart for its innovative programmatic advertising platform, enhancing target reach and campaign effectiveness.
  • Users benefit from the advanced automation of Mediasmart, enabling efficient and impactful mobile advertising campaigns.
Cons
  • Users are concerned that mediaSmart cannibalizes other OTT and CTV purchases, impacting the effectiveness of their advertising strategy.
  • Users face difficult navigation issues, making it frustrating to locate specific features, especially for newcomers to programmatic advertising.
  • Users find that the lack of inventory limits the effectiveness of ad formats in certain LATAM countries.
  • Users find it not always clear which websites are used for acquiring new users on MediaSmart.
  • Users face a steep learning curve with MediaSmart, making navigation and feature discovery frustrating for newcomers.

What Are Recent G2 Reviews of mediasmart?

What Are G2 Users Discussing About mediasmart?