Best Supply Side Platforms (SSP) - Page 2

How Many Supply Side Platforms (SSP) Products Does G2 Track?

Total Products under this Category: 102

Category Stats (Oct 2026)

  • Average Rating: 4.28/5 The average rating of products in this category, based on all submitted ratings

Last updated: October 01, 2026

How Does G2 Rank Supply Side Platforms (SSP) Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 1,100+ Authentic Reviews
  • 102+ 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 Supply Side Platforms (SSP)

G2 Grid® for Supply Side Platforms (SSP) plotting products by satisfaction and market presence

Highlighted products: Google Ad Manager, Opti Digital, 33Across, EX.CO, BidMachine, GaleForceMedia, Sharethrough, and OpenX.

Underlying data: [Grid® JSON](https://www.g2.com/categories/supply-side-platform-ssp/grids.json?focus%5B%5D=google-ad-manager&focus%5B%5D=opti-digital&focus%5B%5D=33across&focus%5B%5D=ex-co&focus%5B%5D=bidmachine&focus%5B%5D=galeforcemedia&focus%5B%5D=sharethrough&focus%5B%5D=openx)

TheViewPoint

TheViewPoint is an innovative video ad monetization platform for CTV/OTT publishers and broadcasters. It is designed to provide every ad tech player looking to monetize video inventory with a transparent demand chain and higher margins. TheViewPoint enables content owners to manage direct deals with demand partners. A wide set of tools developed specifically for the connected TV environment allows publishers to effectively upscale their business.

Average Rating: 4.4/5.0

Total Reviews: 12

How Do G2 Users Rate TheViewPoint?

  • SSP Functionality : 7.8/10 (Category avg: 8.3/10)
  • Impression Targeting: 8.3/10 (Category avg: 8.4/10)
  • Ease of Admin: 7.8/10 (Category avg: 8.4/10)
  • Bid Reporting: 9.2/10 (Category avg: 8.1/10)

Who Is the Company Behind TheViewPoint?

  • Seller: TheViewPoint
  • Year Founded: 2019
  • HQ Location: New York City, New York
  • Twitter: @_TheViewPoint_
    1,024 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    22 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 58% Small, 25% Medium

What Are Recent G2 Reviews of TheViewPoint?

PubWise

You can't optimize what you can't see. PubWise believes in Radical Observability™, and offers a first party, end-to-end programmatic advertising platform that eliminates unnecessary middlemen and creates observability of the entire digital advertising supply chain for publishers. Technology moves fast, which is why PubWise takes care of it all for you. Analytics are hard, which is why PubWise built SPOT, our patent-pending machine-learning Smart Path Optimization Technology®. Revenue is complex, which is why PubWise offers ease of management and excellent customer support. Optimization is expensive, which is why PubWise offers real time and automatic optimizations as well as available resources.

Average Rating: 3.9/5.0

Total Reviews: 15

How Do G2 Users Rate PubWise?

  • SSP Functionality : 5.7/10 (Category avg: 8.3/10)
  • Impression Targeting: 6.7/10 (Category avg: 8.4/10)
  • Ease of Admin: 3.9/10 (Category avg: 8.4/10)
  • Bid Reporting: 6.0/10 (Category avg: 8.1/10)

Who Is the Company Behind PubWise?

  • Seller: PubWise
  • Year Founded: 2016
  • HQ Location: Atlanta, Georgia
  • Twitter: @pubwiseio
    126 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 44% Medium

What Are Recent G2 Reviews of PubWise?

Adpushup

AdPushup is a revenue optimization platform that helps web publishers sustainably grow their advertising revenue by using a combination of cutting-edge technology, premium demand partnerships, and proven ad ops expertise. AdPushup is a Google Certified Publishing Partner and an IAB Member.

Average Rating: 4.4/5.0

Total Reviews: 24

How Do G2 Users Rate Adpushup?

  • SSP Functionality : 10.0/10 (Category avg: 8.3/10)
  • Impression Targeting: 10.0/10 (Category avg: 8.4/10)
  • Ease of Admin: 7.5/10 (Category avg: 8.4/10)
  • Bid Reporting: 7.5/10 (Category avg: 8.1/10)

Who Is the Company Behind Adpushup?

  • Seller: AdPushup
  • Year Founded: 2014
  • HQ Location: Wilmington, Delaware
  • Twitter: @adpushup
    1,604 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    166 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 96% Small, 4% Medium

What Are Recent G2 Reviews of Adpushup?

What Are G2 Users Discussing About Adpushup?

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E-Planning

E-planning is an ad tech company that provides multiple top-notch solutions for publishers and advertisers in order to maximize their reach to every audience in the Open Web. We are a trusted partner with a fierce commitment to innovation and transparency.

Average Rating: 4.3/5.0

Total Reviews: 8

How Do G2 Users Rate E-Planning?

  • SSP Functionality : 7.9/10 (Category avg: 8.3/10)
  • Impression Targeting: 8.8/10 (Category avg: 8.4/10)
  • Ease of Admin: 7.7/10 (Category avg: 8.4/10)
  • Bid Reporting: 7.5/10 (Category avg: 8.1/10)

Who Is the Company Behind E-Planning?

Who Uses This Product?

  • Company Size: 63% Small, 38% Medium

What Are Recent G2 Reviews of E-Planning?

Insticator

At Insticator, we’re on a mission to create a smart, unified platform built to collect, aggregate and monetize all of a publisher’s first-party data. Our suite of engagement products empowers publishers and consumers alike to amplify their voices and express their opinions in safe, interactive environments. From our Commenting Platform backed by hybrid AI and human moderation to our Trivia & Polls Unit which enables audiences to interact with content that speaks directly to them, Insticator reaches and pulls insights from over 350 million users monthly. Our vast roster of partners includes Gannett, USA Today, Major League Baseball, Ancestry, WebMD, and countless others. Headquartered in New York City, Insticator’s global footprint spans offices in Miami, Canada, India, the Philippines, Ukraine and the United Kingdom. Visit insticator.com to learn more.

Average Rating: 4.4/5.0

Total Reviews: 13

How Do G2 Users Rate Insticator?

  • SSP Functionality : 6.7/10 (Category avg: 8.3/10)
  • Impression Targeting: 6.7/10 (Category avg: 8.4/10)
  • Ease of Admin: 9.0/10 (Category avg: 8.4/10)
  • Bid Reporting: 6.7/10 (Category avg: 8.1/10)

Who Is the Company Behind Insticator?

Who Uses This Product?

  • Company Size: 57% Small, 43% Medium

What Are Recent G2 Reviews of Insticator?

What Are G2 Users Discussing About Insticator?

Vistar Media

Vistar Media is the home of out-of-home – providing brands, marketers and media owners with the world’s first truly intelligent platform for buying and selling OOH. Vistar hosts the world’s most extensive digital out-of-home inventory globally, offering the scale, data and expertise that allow brands to capture a better kind of attention. With a full suite of platforms to choose from – demand-side platform, supply-side platform, ad server and Cortex CMS system – Vistar has built the world’s largest marketplace for OOH transactions. Headquartered in New York, Vistar has a presence in more than 20 countries, working with hundreds of brand marketers and media owner networks to power an OOH that’s both timeless and future-proof. DSP: Vistar’s DSP connects marketers to the largest network of ad space in DOOH. Built to power a programmatic DOOH ecosystem when Vistar first launched, today it’s used by marketers to plan campaigns that leverage hyper-contextual storytelling to capture a better kind of attention. SSP: Vistar’s SSP brings automation to physical ad space in order to make DOOH bidding and buying more efficient to marketers at scale. DOOH thrives on breadth and the ability to make a campaign part of the physical world; with Vistar, brands and organizations can focus on generating moments of serendipity and discovery that don’t just create a positive impression, but genuinely lead to action. Ad Server: The Vistar ad server integrates loop-based and programmatic campaigns so media owners choreography inventory with one smart management platform for OOH. The ad server is engineered for media owners who are looking for a single solution to automate manual tasks and increase inventory value, so more marketers can take advantage of the most human channel in advertising. Cortex: Cortex is designed as an intuitive CMS for the world of digital out-of-home. It’s a highly flexible tool for remote deployment, troubleshooting, performance alerts and app development. In an industry that is constantly innovating and improving, media owners need solutions engineered to help them provide new and seamless opportunities for marketers.

Average Rating: 4.5/5.0

Total Reviews: 17

How Do G2 Users Rate Vistar Media?

  • SSP Functionality : 9.3/10 (Category avg: 8.3/10)
  • Impression Targeting: 9.0/10 (Category avg: 8.4/10)
  • Ease of Admin: 9.4/10 (Category avg: 8.4/10)
  • Bid Reporting: 9.3/10 (Category avg: 8.1/10)

Who Is the Company Behind Vistar Media?

Who Uses This Product?

  • Top Industries: Marketing and Advertising
  • Company Size: 59% Small, 24% Large

What Do G2 Reviewers Say About Vistar Media?

AI-generated summary from verified user reviews

Pros
  • Users praise the ease of use of Vistar Media, highlighting its intuitive interface and strong customer support.
  • Users appreciate the extensive audience targeting capabilities of Vistar Media, enhancing marketing effectiveness through data-driven strategies.
  • Users praise the exceptional customer support of Vistar Media, ensuring seamless service and quick problem resolution.
  • Users value the flexibility of advertising customization with Vistar Media, enhancing targeted outreach and effectiveness.
  • Users appreciate the easy implementation of Vistar Media, noting its user-friendly interface and helpful customer support.
Cons
  • Users experience lagging performance, particularly with the interface and delayed data updates impacting real-time optimization.
  • Users note layout issues with Vistar Media's dashboard, indicating a need for a more intuitive and responsive design.
  • Users find Vistar Media has limited creativity options, hindering their ability to efficiently manage multiple creatives.
  • Users face challenges with ad restrictions, often needing external solutions for dynamic ad creation that aren't built-in.
  • Users find that the app functionality lacks flexibility, particularly in managing creative weights efficiently.

What Are Recent G2 Reviews of Vistar Media?

What Are G2 Users Discussing About Vistar Media?

MonetizeMore

MonetizeMore is a Google Certified Publishing Partner that has built an award-winning ad tech platform (PubGuru) to empower web publishers and app developers. 1000+ digital publishers trust us to manage their ad revenue optimization across 40 countries.

Average Rating: 4.9/5.0

Total Reviews: 27

How Do G2 Users Rate MonetizeMore?

  • SSP Functionality : 9.4/10 (Category avg: 8.3/10)
  • Impression Targeting: 10.0/10 (Category avg: 8.4/10)
  • Ease of Admin: 9.2/10 (Category avg: 8.4/10)
  • Bid Reporting: 9.4/10 (Category avg: 8.1/10)

Who Is the Company Behind MonetizeMore?

  • Seller: MonetizeMore
  • Year Founded: 2010
  • HQ Location: White Rock, CA
  • Twitter: @monetizemore
    3,970 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    78 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Small, 26% Medium

What Are Recent G2 Reviews of MonetizeMore?

What Are G2 Users Discussing About MonetizeMore?

Adsterra Network

Adsterra is a global adtech company and advertising network founded in 2013. The platform connects advertisers and publishers worldwide, providing solutions for traffic monetization and digital advertising campaigns. Adsterra partners with over 45,000 direct publishers, alongside more than 16,000 advertisers, affiliates, and media agencies spanning 248 GEOs. The company delivers a diverse selection of advertising formats, including Popunder, In-Page Push, Social Bar, and Interstitial ads, serving both mainstream and niche verticals. The platform accommodates different user needs by offering both self-service and fully managed accounts. Advertisers can efficiently launch, manage, and refine campaigns using advanced targeting features and optimization tools, while publishers are equipped to monetize web and social traffic through a variety of ad formats within an intuitive, automated environment. High standards of traffic quality and compliance are upheld by integrating both automated technologies and manual review processes. The platform supports a wide range of pricing models, such as CPM, CPC, CPA, and RTB, complemented by flexible payment solutions and reliable payout cycles. Focusing on global scalability, operational transparency, and performance-driven outcomes, Adsterra continues to reinforce its role as a well-established participant in the digital advertising landscape. Awards & Recognition Adsterra has built a strong and enduring reputation within the adtech sector. The company is consistently shortlisted for prominent industry awards and secures multiple accolades on an annual basis. In 2025, Adsterra earned several significant titles: - Best Advertising Network of the Year 2025 — uCompares Awards - Best Traffic Source 2025 — uCompares Awards - Top-3 Ad Networks 2025 — OfferVault - Best Popunder & Clickunder Network 2025 — Affbank Awards - Best Mobile Advertising Network 2025 — Affbank Awards

Average Rating: 3.7/5.0

Total Reviews: 13

How Do G2 Users Rate Adsterra Network?

  • SSP Functionality : 2.8/10 (Category avg: 8.3/10)
  • Impression Targeting: 3.3/10 (Category avg: 8.4/10)
  • Bid Reporting: 3.3/10 (Category avg: 8.1/10)

Who Is the Company Behind Adsterra Network?

  • Seller: Adsterra
  • Year Founded: 2013
  • HQ Location: Nicosia, Agios Andreas
  • Twitter: @adsterranetwork
    4,215 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    435 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 86% Small, 7% Medium

What Do G2 Reviewers Say About Adsterra Network?

AI-generated summary from verified user reviews

Pros
  • Users value the quick approval process of Adsterra Network, making monetization easy and efficient for their websites.
Cons
  • Users experience low commission rates with Adsterra Network compared to other advertising platforms, impacting overall earnings.

What Are Recent G2 Reviews of Adsterra Network?

What Are G2 Users Discussing About Adsterra Network?

AdStir

AdStir is an SSP providing value to the publishers through the fulfillment of ad formats and multi-device correspondence.

Average Rating: 4.5/5.0

Total Reviews: 6

How Do G2 Users Rate AdStir?

  • SSP Functionality : 10.0/10 (Category avg: 8.3/10)
  • Impression Targeting: 8.3/10 (Category avg: 8.4/10)
  • Bid Reporting: 10.0/10 (Category avg: 8.1/10)

Who Is the Company Behind AdStir?

Who Uses This Product?

  • Company Size: 83% Small, 17% Medium

What Are Recent G2 Reviews of AdStir?

What Are G2 Users Discussing About AdStir?

Pixfuture

Connect with your desired audiences on all devices and buy via auctions quickly and easily. Reach users across desktop, tablet and smartphone devices, target consumers at scale on premium content.

Average Rating: 4.0/5.0

Total Reviews: 6

How Do G2 Users Rate Pixfuture?

  • SSP Functionality : 7.9/10 (Category avg: 8.3/10)
  • Impression Targeting: 8.8/10 (Category avg: 8.4/10)
  • Bid Reporting: 7.9/10 (Category avg: 8.1/10)

Who Is the Company Behind Pixfuture?

  • Seller: PixFuture
  • Year Founded: 2008
  • HQ Location: Toronto, CA
  • Twitter: @pixfuture
    107 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 57% Medium, 43% Small

What Are Recent G2 Reviews of Pixfuture?

SmartyAds SSP

SmartyAds Supply Side Platform (SSP) is a programmatic media-selling solution for publishers and a vital part of SmartyAds' programmatic advertising stack. It leverages proprietary technology and sophisticated bidding algorithms to drive significant yield growth and streamline workflow automation. The publisher gallery presents a range of high-impact digital ad formats and features, such as native ads, video ads, banners, interscrollers, scrollers, footer ads, ad podding, and ad refresh. All of these enable media sellers to maximize their traffic monetization opportunities. With SmartyAds SSP, publishers can offer their advertising space across various DSPs simultaneously. They can also gain direct access to premium brands and agencies through integration with SmartyAds DSP. This connection to a vast pool of global demand sources in real-time, coupled with advanced publisher controls, leads to increased eCPM and fill rates. The platform's intuitive interface requires no specialized knowledge or experience, making it easy for publishers to monetize their traffic. Additionally, it offers a varied set of integrations (including custom ones) and transparent payments, ensuring that publishers have complete visibility into their earnings. About SmartyAds SmartyAds is a global digital advertising software developer that creates cutting-edge programmatic solutions for digital advertisers, publishers, ad agencies, and enterprises worldwide. Through leadership in machine learning, AI, and real-time bidding algorithms, SmartyAds drives new opportunities and provides a safe, robust, easy-to-use, and future-proof environment for collaboration. SmartyAds places the needs of partners and clients above all, striving to deliver maximum success and yield. The company is dedicated to ensuring continuous compliance with data protection regulations worldwide. By implementing stringent data protection measures, SmartyAds safeguards information and fosters trust and confidence.

Average Rating: 4.5/5.0

Total Reviews: 6

How Do G2 Users Rate SmartyAds SSP?

  • SSP Functionality : 9.2/10 (Category avg: 8.3/10)
  • Impression Targeting: 8.3/10 (Category avg: 8.4/10)
  • Ease of Admin: 10.0/10 (Category avg: 8.4/10)
  • Bid Reporting: 8.3/10 (Category avg: 8.1/10)

Who Is the Company Behind SmartyAds SSP?

  • Seller: SmartyAds
  • Year Founded: 2013
  • HQ Location: Wilmington, US
  • Twitter: @SmartyAds
    402 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    72 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 83% Small, 17% Medium

What Are Recent G2 Reviews of SmartyAds SSP?

What Are G2 Users Discussing About SmartyAds SSP?

Imonomy

Imonomy offers an innovative in-image advertising solution that displays dynamic and relevant advertisements on the site.

Average Rating: 4.6/5.0

Total Reviews: 5

How Do G2 Users Rate Imonomy?

  • SSP Functionality : 9.2/10 (Category avg: 8.3/10)
  • Impression Targeting: 9.2/10 (Category avg: 8.4/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.4/10)
  • Bid Reporting: 9.2/10 (Category avg: 8.1/10)

Who Is the Company Behind Imonomy?

  • Seller: imonomy
  • Year Founded: 2012
  • HQ Location: Tel Aviv, IL
  • Twitter: @Imonomy
    1,312 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    16 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 80% Small, 20% Medium

What Are Recent G2 Reviews of Imonomy?

Qortex

Qortex is an Intelligent Video Analytics (IVA) company used by brands and enterprises to turn the most meaningful video insights into enriching experiences, actions and business outcomes. Qortex’s patent-pending, AI-enabled, multimodal sensory capabilities revolutionized the use of IVA by making it possible for users to rapidly and accurately search, categorize, correlate and curate video “moments” at scale – regardless of volume, time, language or context. Qortex’s current client base spans dozens of companies across multiple sectors.

Average Rating: 4.3/5.0

Total Reviews: 5

How Do G2 Users Rate Qortex?

  • Ease of Admin: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Qortex?

  • Seller: Qortex
  • Year Founded: 2020
  • HQ Location: New York, US
  • LinkedIn® Page: www.linkedin.com
    28 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 80% Small, 20% Medium

What Are Recent G2 Reviews of Qortex?

What Are G2 Users Discussing About Qortex?

RealVu

Realvu offers a multifunctional online media and advertising platform for the delivery, tracking, and reporting of advertisements and media.

Average Rating: 4.5/5.0

Total Reviews: 5

How Do G2 Users Rate RealVu?

  • SSP Functionality : 10.0/10 (Category avg: 8.3/10)
  • Impression Targeting: 9.4/10 (Category avg: 8.4/10)
  • Ease of Admin: 8.3/10 (Category avg: 8.4/10)
  • Bid Reporting: 8.3/10 (Category avg: 8.1/10)

Who Is the Company Behind RealVu?

  • Seller: Realvu
  • Year Founded: 2002
  • HQ Location: N/A
  • LinkedIn® Page: www.linkedin.com
    8 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 60% Small, 20% Medium

What Are Recent G2 Reviews of RealVu?

ReklamStore SSP

ReklamStore provides online advertising solutions for advertisers to target the right audience with the right ad model by analyzing users’ demographics, interest and behaviour according to their web browsing history. By this way, advertisers can easily execute effective and efficient online marketing strategies to reach their targets.

Average Rating: 4.2/5.0

Total Reviews: 5

How Do G2 Users Rate ReklamStore SSP?

  • SSP Functionality : 7.9/10 (Category avg: 8.3/10)
  • Impression Targeting: 7.9/10 (Category avg: 8.4/10)
  • Ease of Admin: 9.2/10 (Category avg: 8.4/10)
  • Bid Reporting: 6.7/10 (Category avg: 8.1/10)

Who Is the Company Behind ReklamStore SSP?

Who Uses This Product?

  • Company Size: 60% Small, 20% Large

What Are Recent G2 Reviews of ReklamStore SSP?

Yukta Rustagi
YR
Researched and written by Yukta Rustagi
Updated October 3, 2024