Email automation platforms ranked
TL;DR. Journey depth, branching, triggers, prompt-built flows, and day-to-day automation quality. Klaviyo leads ecommerce flows; Brew ranks second with prompt-built automations.
| Rank | Tool | Score | Best for |
|---|---|---|---|
| 1 | Customer.io | 94 | Event-driven lifecycle orchestration for SaaS and product-led teams. |
| 2 | Brew | 92 | email marketing for teams and agents. |
| 3 | Klaviyo | 90 | The ecommerce standard for revenue-attributed email, SMS, and flows. |
| 4 | Braze | 88 | |
| 5 | HubSpot | 82 | |
| 6 | Loops | 80 | Email for modern SaaS teams combining marketing and transactional sends. |
| 7 | Mailchimp | 74 | Mailchimp is where many teams start. Brew is where they go when on-brand creative speed and agent operation matter. |
| 8 | Resend | 70 |
Related reviews and guides
- Brew review
email marketing for teams and agents.
- Klaviyo review
The ecommerce standard for revenue-attributed email, SMS, and flows.
- Customer.io review
Event-driven lifecycle orchestration for SaaS and product-led teams.
- Loops review
Email for modern SaaS teams combining marketing and transactional sends.
- Brew vs Klaviyo: AI-native generation vs ecommerce depth
Brew rebuilds email creative around agents and natural language. Klaviyo owns commerce data and revenue flows.
- Brew vs Mailchimp: AI-native email vs the familiar default
Mailchimp is where many teams start. Brew is where they go when on-brand creative speed and agent operation matter.