Resend vs Loops

At a Glance

Resend

Loops

Resend

Loops

No features listed.

Resend

Pros

The API is the cleanest email sending API I've used — one function call with good TypeScript types and no configuration overhead+178
React Email lets you build email templates with React components and preview them in a browser — the best template development workflow in the email space+162
The free tier sends 3,000 emails per month which covers most early-stage apps without spending anything+147
Deliverability is excellent out of the box without having to configure DKIM, SPF, and DMARC yourself from scratch+131

Cons

There's no bulk newsletter sending feature — Resend is designed for transactional email only and you need a separate tool for marketing email

Resend vs Postmark

Resend vs SendGrid

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Loops

Pros

Built specifically for SaaS onboarding flows — user properties sync automatically and you can trigger emails based on any event without writing logic+154
The audience segmentation based on user attributes lets you target very specific cohorts for lifecycle emails without complex query setup+138
The visual email builder produces clean HTML that renders well across email clients including Outlook+118
Transactional and marketing emails in one platform means you stop juggling Sendgrid for one and Mailchimp for the other+104

Cons

Pricing starts at $49/mo after the free tier which is a big jump for early-stage products that are just starting email automation+129
The API and SDK are less mature than Resend or SendGrid — some server-side use cases require workarounds+107
Contact management for complex segmentation scenarios is less powerful than mature marketing platforms like Customer.io+84