Side by side

EmailBuilder.ai vs MJML

Both stand on email design software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

EmailBuilder.ai

Free plan APIExtensionWeb

EmailBuilder.ai combines visual email creation with AI writing tools, reusable modules, and HTML export. Check the status of a needed provider integration, since many listed connections are marked as forthcoming.

Visit EmailBuilder.ai

MJML

Free plan Open source APIExtensionLinux+4

MJML provides a free code-first path from markup to responsive email HTML, with editor, CLI and API options. It handles rendering rather than delivery, and email-client support limits the mj-button component.

Visit MJML

The facts

	EmailBuilder.ai	MJML
Free plan	Yes	Yes
Open source	Not published	Yes
Runs on	API, Extension, Web	API, Extension, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Maestro: $39 a month	Free or on request
Plans published	4	3
Maker	Not published	Not published
Website	emailbuilder.ai	mjml.io
On email design software	#6 of 63	#2 of 63

EmailBuilder.ai: what it does well

Previews for phones, tablets, and desktop
AI tools rewrite, translate, and generate MJML sections
Reusable branded modules; homepage lists more than 50
HTML export and custom code editing
Free plan includes 10 emails and 3 templates

What to know first

Many listed integration providers are marked “Coming Soon”
Free plan allows 5 sends or exports
Paid plans start at $39 a month

MJML: what it does well

Open source under the MIT license.
Online editor and REST API are free to use.
CLI compiles files and watches for changes.
Reusable components can be extended or customized.
Installable on macOS, Linux and Windows.

What to know first

Rendered HTML must be sent through another service or shell.
The mj-button component is not fully clickable.
API accounts receive only one Application ID and two keys.

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