Comparing supply-side publisher intelligence with demand-side ad spend tracking. Updated 2026.
| Feature | Red Volcano | Pathmatics (Sensor Tower) |
|---|---|---|
| Primary Focus | Supply-side: publishers, SSPs, ad networks | Demand-side: advertiser spend, creatives, media plans |
| Publisher Coverage | 32M+ publisher websites | Tracks publishers as ad placement destinations |
| Data Refresh | Weekly crawls | Daily ad capture, monthly spend estimates |
| ads.txt Data | Full parsing and monitoring | Not a core feature |
| sellers.json Data | Complete indexing | Not available |
| Ad Creative Tracking | Not a focus | Captures and categorizes ad creatives |
| Ad Spend Estimates | Not a focus | Estimates digital ad spend by brand |
| App Coverage | App ads.txt and SDK detection | App ad creative capture |
| CTV Coverage | CTV app advertising data | CTV ad creative tracking |
| Ideal User | SSPs, ad networks, supply-side teams | Media planners, brand marketers, agencies |
Red Volcano and Pathmatics (now part of Sensor Tower) operate on opposite sides of the advertising ecosystem, making this less a head-to-head comparison and more a question of which perspective you need.
Red Volcano looks at the supply side: which publishers exist, what ad technologies they use, which SSPs they work with, and what their ads.txt files contain. It answers questions like "Which publishers use PubMatic in Germany?" or "How many publishers adopted header bidding this quarter?"
Pathmatics looks at the demand side: which brands are advertising, how much they spend, what creatives they run, and where they place ads. It answers questions like "How much is Nike spending on display ads?" or "What publishers is Coca-Cola buying inventory from?"
Red Volcano provides deep publisher profiles including every technology detected, all ads.txt entries, header bidding configurations, traffic estimates, and historical changes. Its 32M+ publisher dataset is the most comprehensive supply-side view available, updated weekly.
Pathmatics tracks publishers as destinations for ad placements but does not provide the supply-side technology stack, ads.txt analysis, or SSP relationship data that Red Volcano offers. Its publisher view is through the lens of which advertisers are buying there, not how the publisher monetizes.
See how Red Volcano's supply-side data compares. 32M+ publishers, weekly updates, full ads.txt intelligence.
Book a Demo →Red Volcano's core strength is mapping the programmatic supply chain: ads.txt authorization, sellers.json verification, and supply chain object data. This transparency layer is essential for SPO (Supply Path Optimization) and fraud prevention.
Pathmatics focuses on the demand side of transparency: which brands are spending, through which channels, and on what creative formats. It does not provide supply chain authorization or verification data.
Not directly. Red Volcano focuses on supply-side intelligence (publishers, SSPs, ad tech stacks), while Pathmatics focuses on demand-side intelligence (advertiser spend, creatives, media plans). They serve different teams and use cases within the advertising industry.
Pathmatics tracks publishers as ad placement destinations but does not provide detailed technology stack analysis, ads.txt data, or SSP relationship mapping. Red Volcano is purpose-built for this supply-side intelligence.
No. Red Volcano focuses on the supply side: publishers, their technologies, and their selling relationships. For advertiser spend estimates and creative intelligence, Pathmatics (Sensor Tower) is the appropriate tool.
Pathmatics was acquired by Sensor Tower. It continues to operate as a digital ad intelligence product within the Sensor Tower platform, focusing on advertiser spend and creative tracking.
Yes, and many organizations do. Red Volcano provides the supply-side view (publishers and their ad tech) while Pathmatics provides the demand-side view (advertisers and their spend). Together they offer a complete picture of the digital advertising ecosystem.
32M+ publishers. 2,000+ ad technologies. Weekly updates. ads.txt and sellers.json depth. Purpose-built for SSPs, ad networks, and the programmatic supply chain.