Two transactional email providers, compared on price, features and ratings, so you can pick fast.
Updated September 2026
THE VERDICT
Loops wins on deliverability and developer experience. Postmark wins on transactional deliverability.
Loops starts at Free versus Postmark's $10. Pick based on volume and team, and the scorecard below breaks down where each one leads.
Winner cells are tinted, green where Loops leads, violet where Postmark does.
FAQ
Loops starts at Free versus Postmark's $10. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.
Loops paid plans start at $49 per month for up to 5,000 subscribed contacts, and pricing is based on contact count rather than email volume. All features are included at every tier, and transactional sending is unlimited on paid plans. Some published sources cite a lower contact allowance at this price point, so check the live pricing slider for your exact contact count.
Postmark offers a free developer plan that includes 100 emails per month. It does not require a credit card and does not expire, but sending stops once the 100 email limit is reached. This tier is intended for testing and development rather than production traffic.
Yes. Many teams route different message types through different providers or fail over between them. Courier lets you send through both behind a single API and switch providers without changing your code.
Why not both?
Use both behind one API.
Route Loops, Postmark, or both, and switch providers without changing your code. Courier sits in front of every channel.
Pricing, plans and feature availability as of September 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.