StackAdapt vs GetResponse
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $235M led by Teachers' Pension Fund (2025). Fastest-growing independent DSP. AI-native alternative to The Trade Desk. Pension fund backing signals IPO trajectory.
About
StackAdapt is the fastest-growing independent demand-side platform (DSP), positioning itself as the AI-native alternative to The Trade Desk for programmatic advertising across display, video, CTV, audio, and digital out-of-home. The company raised $235 million led by the Ontario Teachers' Pension Plan in 2025, with pension fund participation at that scale signaling an IPO trajectory for one of the most under-discussed large-scale AdTech companies.
GetResponse is a comprehensive email marketing and automation platform offering campaigns, funnels, webinars, landing pages, and paid ads management for 350,000+ customers globally.
About
GetResponse is an email marketing and customer engagement platform headquartered in Gdansk, Poland that was founded in 1998 by Simon Grabowski and has grown to serve over 350,000 customers across 160 countries as a bootstrapped company — one of the most successful independently operated email marketing platforms at global scale. GetResponse has expanded its platform well beyond email marketing over its history, adding a webinar platform, landing page and website builder, marketing automation, conversion funnel builder, paid ads management, e-commerce integrations, and live chat to create an all-in-one marketing platform for SMBs and mid-market companies seeking to consolidate their digital marketing stack without enterprise pricing commitments.
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