Customer.io vs Bird (formerly MessageBird)
Side-by-side from the Top 11 rankings of HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026 and Braze vs CleverTap vs MoEngage: 11 Best Mobile Marketing Software Platforms 2026. Last verified June 7, 2026.
The short answer
Customer.io ranks higher on Top 11 (#6 vs #10) for Marketing managers choosing marketing automation platforms (HubSpot vs Marketo vs ActiveCampaign vs Klaviyo) / Mobile growth and lifecycle marketers choosing app engagement platforms. A flexible, API-first platform for tech companies to automate messaging based on user behavior.
At a glance
| Customer.io | Bird (formerly MessageBird) | |
|---|---|---|
| Top 11 rank | #6 / HubSpot vs ActiveCampaign vs Klaviyo: 11 Best Marketing Automation Software 2026 | #10 / Braze vs CleverTap vs MoEngage: 11 Best Mobile Marketing Software Platforms 2026 |
| Score (out of 9.4) | 8.2 | 7.3 |
| Best for | Event-driven messaging for tech | Best for SMS and WhatsApp-led messaging |
| Pricing | $$ ($100 to $1,500/mo) | $ (usage-based, from low monthly plus per-message) |
| HQ | Portland, USA | Amsterdam, Netherlands |
| Founded | 2012 | 2011 |
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
Bird (formerly MessageBird)
Omnichannel messaging strong on SMS and WhatsApp, with push as one channel.
bird.comSee full entry in Braze vs CleverTap vs MoEngage: 11 Best Mobile Marketing Software Platforms 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.