When GrapesJS may suit you better
- You want the source code and are ready to build email features on an open-source core.
- You also need web pages and documents in the same editor.
- You need to reshape every panel and component.
ComparisonMailblocks vs GrapesJS
GrapesJS is an open-source framework for page and email builders, with a commercial Studio SDK on top. It is the most flexible option here, and the one that asks the most engineering of you.
At a glance
| Aspect | Mailblocks | GrapesJS & Studio SDK |
|---|---|---|
| Pricing model | Monthly active editor users | Studio SDK: editor loads (sessions) per month; the core framework is free under BSD-3-Clause |
| Entry price | $49 / month for 50 users | Core free; Studio SDK free for 1,000 sessions, paid from $200 / month |
| Free trial | 14 days, no card | Free tiers |
| White label | From the first paid plan | Paid Studio SDK plans; the free plan shows a badge |
| AI features | Guided AI template builder on every plan | AI chat on paid Studio SDK plans, with credits |
| Output | MJML, HTML and design JSON | Project JSON and HTML/CSS; email mode powered by MJML |
| How the editor is delivered | Hosted frame; your bundle gets a small loader | The full editor code installed from npm, licensed per domain |
| Domain licensing | Enforced by the browser through frame-ancestors | Licence key validated per domain |
| Self-hosting | Editor hosted by Mailblocks; designs and images can stay with you | Core fully self-hosted; Studio SDK storage can be your own |
Competitor information checked on October 13, 2026 from their public website. Prices change; please check their site before deciding.
When Mailblocks is the better fit
- You want a finished email editor rather than a framework to assemble one.
- You want the editor code kept out of your bundle and off your customers’ machines.
- You want to pay per active user rather than per page load.
Pricing
Pay for the people who edit, not for page views.
Startup
For a first product putting email design in its users’ hands.
$49per month
- 50 active editor users / month
- 1 production domain
- 150 AI generations / month
- 5 GB image storage
Growth
RecommendedFor products with several apps, tenants or environments.
$129per month
- 250 active editor users / month
- 3 production domains
- 1,000 AI generations / month
- 25 GB image storage
Business
For platforms where email design is part of daily work.
$299per month
- 1,000 active editor users / month
- 10 production domains
- 5,000 AI generations / month
- 100 GB image storage
Enterprise
Custom allowances, contracts and support for large platforms.
Custom
- 10,000 active editor users / month
- 50 production domains
- 25,000 AI generations / month
- 100 GB image storage
Sources
- https://grapesjs.com/sdk/pricing
- https://app.grapesjs.com/docs-sdk
- https://github.com/GrapesJS/grapesjs
GrapesJS is a trademark of its respective owner. Mailblocks is not affiliated with or endorsed by it.