Act-On vs SendGrid: Complete Comparison (2026)
Choosing between Act-On and SendGrid is a common decision for marketing automation buyers in 2026. Both Act-On and SendGrid are established players, founded in 2008 and 2009 respectively. Act-On serves 4K+ orgs users while SendGrid has 80K+ orgs users globally. Act-On differentiates with lead nurturing and email marketing, while SendGrid leads with transactional email api and email marketing. In this head-to-head comparison, SendGrid earns a higher hiltonsoftware.co score of 88/100 — but the right choice depends on your specific needs, budget, and team size.
Quick Comparison
Feature-by-Feature Comparison
Pros & Cons at a Glance
After comparing Act-On and SendGrid across features, pricing, and user satisfaction, SendGrid takes the lead with a score of 88/100 versus Act-On's 84/100. SendGrid's key advantages include "excellent deliverability rates" and "best-in-class api for developers". That said, Act-On has its own strengths — particularly "good for mid-market b2b" — making it a viable alternative for specific use cases.
On pricing, there's a clear difference: SendGrid offers a free plan, making it more accessible for individuals and small teams exploring marketing automation solutions. Act-On starts at $900/mo with no free tier, but often justifies the cost with lead nurturing and email marketing.
Bottom line: Choose Act-On if you need mid-market b2b companies wanting dedicated marketing automation beyond email. Go with SendGrid if your priority is developers and businesses needing reliable high-volume email delivery. Both are strong marketing automation tools — we recommend trying the free plan of each before committing.
Mid-market B2B companies wanting dedicated marketing automation beyond email.
Developers and businesses needing reliable high-volume email delivery.