RudderStack vs Simon Data
Side-by-side from the Top 11 ranking of The 11 Best Customer Data Platforms (CDPs). Last verified June 17, 2026.
The short answer
RudderStack ranks higher on Top 11 (#6 vs #7) for Marketing and data teams unifying customer data across channels. Top open-source, warehouse-first alternative to Segment for engineers.
At a glance
| RudderStack | Simon Data | |
|---|---|---|
| Top 11 rank | #6 / The 11 Best Customer Data Platforms (CDPs) | #7 / The 11 Best Customer Data Platforms (CDPs) |
| Score (out of 9.4) | 8.1 | 8 |
| Best for | Open-source, warehouse-native option | Marketers wanting CDP + orchestration |
| Pricing | $$$ ($2,000 to $10,000/mo) | $$$ ($4,000 to $20,000/mo) |
| HQ | San Francisco, USA | New York, USA |
| Founded | 2019 | 2014 |
RudderStack
Top open-source, warehouse-first alternative to Segment for engineers.
www.rudderstack.comSee full entry in The 11 Best Customer Data Platforms (CDPs)
Simon Data
A combined CDP and marketing cloud that simplifies the tech stack.
www.simondata.comSee full entry in The 11 Best Customer Data Platforms (CDPs)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.