GrapesJS vs Unlayer

A modern buyer's guide for teams choosing an embeddable email editor

Verdict: GrapesJS wins on flexibility + ownership

Same core email-building outcomes, without locking your roadmap

If you need drag-and-drop email editing inside your app, both tools work. The key difference is control: GrapesJS is open-source and self-hosted, while Unlayer is a paid hosted platform. For teams optimizing cost, customization, and long-term ownership, GrapesJS is usually the stronger default.

Unlayer annual spend

$1,788-$29,988

GrapesJS license cost

$0 (MIT)

Hosting model

Self-hosted

Editor scope

Email + pages

Quick decision guide

Budget and ownership

GrapesJS

Zero license fee, full source-level control

Unlayer

Recurring SaaS pricing and hosted dependency

Why it matters: Lower long-term cost and fewer vendor constraints

Product scope

GrapesJS

One editor for pages and emails

Unlayer

Email-only builder

Why it matters: Single editing stack across more workflows

Customization depth

GrapesJS

Custom traits, blocks, commands, and plugins

Unlayer

Good defaults but limited deep customization

Why it matters: Faster implementation of product-specific UX

Full feature comparison

FeatureGrapesJSUnlayer
Open source✓ MIT✗ Proprietary
PricingFree$149–$2,499/mo
Self-hosted✗ Hosted only
MJML support✓ Native
White-label✓ FreePaid plans only
Custom blocksUnlimitedLimited
Page builder✗ Email only
Plugin ecosystemGJS.Market (100+)None
Framework supportAnyReact wrapper only

Migration plan from Unlayer to GrapesJS

  1. Audit your top 10 Unlayer templates and identify repeatable block patterns.

  2. Install GrapesJS with MJML preset and recreate your base design system blocks.

  3. Map merge tags and dynamic content placeholders used by your ESP.

  4. Validate exported HTML in Gmail, Outlook, and Apple Mail before rollout.

  5. Release behind a feature flag and migrate template-by-template.

GrapesJS email plugins on GJS.Market

EmailFree

MJML Newsletter Preset

Full MJML email builder with responsive blocks

BlocksFree

Email Block Library

Header, footer, CTA, text, and image blocks

UIFree

Responsive Preview

Test at mobile, tablet, and desktop sizes

ExportFree

HTML Export Pro

Inlined HTML export for any email service provider

GrapesJS vs Unlayer FAQ

Build your Unlayer replacement in days, not months

Start with GrapesJS, add production-ready plugins from GJS.Market, and launch an owned email builder with zero license fees.

Start free with GrapesJS plugins