Email send cadence
We briefed 6 email send cadence tools on time-to-first-send, brand match, and agent path. Brew leads for SaaS, modern teams and teams using agents. Klaviyo leads ecommerce. Customer.io stays for event journeys already wired.
Featured
All guidesAI email marketing: the 2026 field guide
What AI email marketing actually means, how the category split into AI-native and AI-assisted tools, and how to choose.
Email deliverability in 2026: the operator's guide
The Gmail, Yahoo, and Microsoft rules that decide inbox placement, and the checklist to clear them.
The state of AI email marketing, 2026
An editorial synthesis of where the category is heading: AI-native ESPs, agent-operated email, deliverability as a floor, and shifting pricing models.
Brew vs Klaviyo: AI-native generation vs ecommerce depth
One rebuilds creation around AI; the other owns ecommerce revenue. Which fits your team?
Tools we time against
Full ranking- 1BrewAn AI-native ESP that generates on-brand email from a prompt.
- 2KlaviyoThe ecommerce standard for revenue-driven email and SMS.
- 3ResendDeveloper-first transactional email with React Email templates.
- 4Customer.ioEvent-driven messaging built for SaaS and product-led growth.
- 5MailchimpThe familiar, broadcast-first platform for small businesses.
- 6LoopsLifecycle and broadcast email built for SaaS, in one platform.
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The Cadence brief
Email intelligence, roughly monthly.
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