# Build vs buy: should you build a visual editor or license one?

*Source: https://www.editorstack.cc/use-cases/build-vs-buy-visual-editor — last updated 2026-08-19. Licensed CC BY 4.0 with attribution to EditorStack.*

## Summary

- Building a customer-facing editor on an open-source engine takes roughly 520 engineering hours in our estimate — the engine integration is about 40 of them, and the other 480 are the UI, blocks, assets, persistence, permissions and QA that no engine gives you.
- At a blended $85 per hour, that is about $44,000 up front, which is roughly 15 months of a $250-per-month commercial SDK licence before ongoing maintenance is counted.
- Building wins when the editor is a differentiator, when data residency rules out a hosted vendor, or when your customer count makes per-seat licensing worse than a fixed engineering cost; buying wins almost every other time, and the calculator below will say so.

## The decision, stated honestly

The build-versus-buy question is almost never about whether you *can* build an editor. You can.
[Our own benchmark](/research/time-to-first-editor-benchmark) shows a working editor in 14 lines of
code. The question is what happens in the eleven months after that demo.

Here is the honest shape of it: the engine is 8% of the work. The other 92% is everything a
customer expects around the engine and no open-source project will give you — an interface that
does not look like a developer tool, a block library that matches your product, somewhere to put
uploaded images, autosave that does not lose work, permissions so one tenant cannot open another
tenant's page, and a QA pass across browsers and assistive technology.

## Run the numbers for your situation

An interactive build-versus-buy calculator is available on the web version of this page. Its default estimate for a customer-facing editor built on an open-source engine is 520 engineering hours: 40 for engine integration, 120 for replacing the editor UI, 100 for a block library, 80 for asset management, 60 for persistence and versioning, 60 for multi-tenant permissions and 60 for cross-browser and accessibility QA.

The defaults are our estimates, and you should change them. If you already have an asset service,
uncheck that line. If your design system gives you the block components, cut that estimate in half.
The calculator does not care which answer it produces, and at low licence prices with a small block
set it will tell you to build.

## Where the 520 hours come from

**Engine integration — 40 h.** Mounting the editor, wiring configuration, dynamic import for SSR,
basic event plumbing. This is the part that feels fast, because it is.

**Replacing the editor UI — 120 h.** Every open-source engine ships a functional but plain
interface. Look at the [screenshots in our benchmark](/research/time-to-first-editor-benchmark):
that is what your customers would see. Restyling panels, building a settings sidebar that matches
your product, and making the whole thing responsive is a genuine front-end project.

**Block library — 100 h.** A page builder with generic text and image blocks is not useful. Your
customers need blocks that reflect your product — pricing tables, testimonial sections, booking
widgets — each with its own settings, defaults, responsive behaviour and preview.

**Asset management — 80 h.** Upload, storage, thumbnails, a picker, deletion, and quota. Everyone
underestimates this because it sounds solved. It is solved, in services you still have to integrate.

**Persistence and versioning — 60 h.** Autosave, conflict handling, draft versus published state,
and a way to recover the previous version when a customer breaks their page at 2am.

**Permissions — 60 h.** Multi-tenant isolation, sharing, roles. Security-critical, so this is the
work you cannot rush.

**QA and accessibility — 60 h.** Cross-browser behaviour of drag-and-drop is genuinely difficult,
and keyboard accessibility in a drag-and-drop editor is harder than most teams expect.

## When building is the right answer

**The editor is your product's differentiator.** If customers choose you because of the editing
experience, outsourcing it to a vendor whose roadmap you do not control is a strategic error, not a
cost saving.

**Data residency or procurement rules out hosted vendors.** If page content cannot leave your
infrastructure, most commercial SDKs are out before price enters the conversation. Self-hosted
options exist — [PageKit](/libraries/pagekit) and the
[self-hosted category page](/categories/self-hosted-page-builders) list them — but the shortlist
gets short quickly.

**Per-customer pricing works against you.** Several SDKs price per end-user account or per email
sent. At ten thousand low-activity accounts, a fixed engineering cost can beat a metered one badly.
Model it with your own customer count before signing.

**You need capabilities no vendor sells.** Deep integration with your data model, an unusual output
format, or editing surfaces that are not pages at all.

## When buying is the right answer

**Email.** Do not build an email editor. The hard part is not the drag-and-drop, it is that Outlook
renders HTML with the Word engine and every mail client is different. Vendors maintain rendering
test labs for exactly this reason. See the
[email template builder use case](/use-cases/email-template-builder-for-saas) for the options.

**You need it this quarter.** 520 hours is roughly one engineer for three months, and that engineer
is not building your product while they do it.

**The editor is a checkbox, not a differentiator.** If customers tolerate the feature rather than
choose you for it, spend the smallest amount that clears the bar.

## The middle path most teams miss

There is a third option that the framing hides: build on an open-source engine and buy the parts
around it. GrapesJS is the clearest example — the engine is free, and the surrounding application is
available commercially from the same team as the
[Studio SDK](/libraries/grapesjs-studio-sdk), so you are not choosing between a blank page and a
walled garden.

> **Sponsored — GJS.Market:** The 480 hours, in parts you can buy — GJS.Market sells block libraries, templates and AI tools for GrapesJS — the block library and UI work above, already built. Disclosure: GJS.Market funds this site.

Whichever way the calculator points for you, run it with your own numbers before the meeting rather
than during it. The [full comparison table](/) has the licence prices to plug in, and the
[methodology page](/methodology) explains where each of those prices came from.


## Frequently asked questions

### How long does it take to build a page builder?

Our estimate for a customer-facing editor built on an open-source engine is around 520 engineering hours: 40 for integrating the engine, 120 for replacing the default UI, 100 for a usable block library, 80 for asset management, 60 for persistence and versioning, 60 for multi-tenant permissions and 60 for cross-browser and accessibility QA.

### Is it cheaper to build or to buy a visual editor?

Over a two-year horizon at a blended $85 per hour, building costs roughly $44,000 up front plus maintenance, and a $250-per-month SDK costs $6,000. Buying is cheaper for most teams. Building becomes competitive when licence costs scale with your customer count, or when the editor is a product differentiator rather than a feature.

### What do commercial editor SDKs actually give you?

The parts open-source engines leave out: a finished editor UI, hosted project and asset storage, a template library, and in the email category, output tested across mail clients. You are buying the 480 hours, not the 40.

### Can we start with open source and switch later?

In one direction, yes. Starting on GrapesJS and later moving to a commercial SDK built on the same engine keeps your stored HTML usable. Starting on a hosted SDK and moving out is harder, because the stored format and the asset pipeline belong to the vendor.