Customer.io vs HubSpot
Side-by-side from the Top 11 ranking of HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026. Last verified June 7, 2026.
The short answer
HubSpot ranks higher on Top 11 (#1 vs #6) for Marketing managers choosing marketing automation platforms (HubSpot vs Marketo vs ActiveCampaign vs Klaviyo). The best all-in-one platform with an exceptional CRM and user experience, ideal for scaling businesses.
At a glance
| Customer.io | HubSpot | |
|---|---|---|
| Top 11 rank | #6 / HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026 | #1 / HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026 |
| Score (out of 9.4) | 8.2 | 9.3 |
| Best for | Event-driven messaging for tech | All-in-one CRM platform |
| Pricing | $$ ($100 to $1,500/mo) | $$$ ($800 to $3,600/mo) |
| HQ | Portland, USA | Cambridge, USA |
| Founded | 2012 | 2006 |
Customer.io
A flexible, API-first platform for tech companies to automate messaging based on user behavior.
customer.ioSee full entry in HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026
HubSpot
The best all-in-one platform with an exceptional CRM and user experience, ideal for scaling businesses.
www.hubspot.comSee full entry in HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.