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Web Development · head to head

Express.js vs RAD Studio

Express.js logo

Express.js

Web Development

Fast, unopinionated, minimalist web framework for Node.js

From
Free
Free plan
Yes
Full reviewWebsite
RAD Studio logo

RAD Studio

Developer Tools

Cross-platform native app development with Delphi and C++Builder

From
$2000/perpetual
Free plan
No
Full reviewWebsite

The short version

  • Only Express.js has a free tier, so it costs nothing to try first.
  • Each has a real cost: Express.js governed by the OpenJS Foundation with no vendor or paid tier, per expressjs.com; as open source software it has no pricing to compare; RAD Studio professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Express.js and RAD Studio actually diverge.

Attributes where Express.js and RAD Studio differ
AttributeExpress.jsRAD Studio
Starting priceFree$2000/perpetual
Pricing modelopen-sourceone-time
Free tierYesNo
CategoryWeb DevelopmentDeveloper Tools

Identical on both: platforms (Web), user rating (Not yet rated).

What people use each for

The jobs each tool is most often brought in to do.

Express.js

  • Web server and API developmentnot RAD Studio
  • REST API creationnot RAD Studio
  • Backend application developmentnot RAD Studio
  • Node.js web applicationsnot RAD Studio

RAD Studio

  • Building Windows desktop applications with VCL componentsnot Express.js
  • Creating iOS and Android apps from shared Delphi codebasenot Express.js
  • Connecting to Oracle databases through FireDAC connectivitynot Express.js
  • Building REST web services that run on Linux serversnot Express.js

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Express.js

  • Governed by the OpenJS Foundation with no vendor or paid tier, per expressjs.com; as open source software it has no pricing to compare
  • Express.js provides only a thin layer of fundamental routing features by its own description, requiring separate middleware modules for functionality like body parsing, sessions or authentication

RAD Studio

  • Professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax
  • Enterprise edition steps up to $3,400 license plus $1,199 maintenance, and Architect edition to $4,416 license plus $2,183 maintenance
  • The perpetual license only entitles the buyer to updates for one year; continued access to new updates and upgrades requires an annually renewable Update Subscription

Pricing, plan by plan

Express.js

Free

No published plan breakdown. See the Express.js review.

RAD Studio

$2000/perpetual
  • Professional Edition$2000/perpetual
    • Perpetual License
    • First year maintenance $599
    • Total $2,599 + Tax
  • Enterprise Edition$3400/perpetual
    • Perpetual License
    • First year maintenance $1,199
    • Total $4,599 + Tax
  • Architect Edition$4416/perpetual
    • Perpetual License
    • First year maintenance $2,183
    • Total $6,599 + Tax

Which should you pick?

Choose Express.js if

  • You want to start without paying.
Express.js review

Choose RAD Studio if

Nothing in the data separates RAD Studio from Express.js on the points above - pick on price and on how each one feels to use.

RAD Studio review

Questions people ask

Is Express.js or RAD Studio better?
Neither clearly leads. Express.js starts at Free and RAD Studio at $2000/perpetual, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Express.js or RAD Studio?
Express.js has a free tier; the other does not. Paid plans start at Free for Express.js and $2000/perpetual for RAD Studio.
Does Express.js or RAD Studio run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Express.js for free?
Yes. Express.js has a free tier, so you can try it without paying. RAD Studio starts at $2000/perpetual.
What is Express.js best used for?
Express.js is most often used for web server and api development, rest api creation, backend application development, node.js web applications. Of those, web server and api development and rest api creation are not what RAD Studio is typically brought in for.

Answered from the vendors’ own pages

Express.js: Is Express.js free?

Yes, Express.js is completely free and open source. The framework is maintained by the OpenJS Foundation and available via npm at no cost. Installation is as simple as running npm install express.

Source
RAD Studio: How much does RAD Studio cost?

RAD Studio uses perpetual licensing: Professional Edition $2,000 perpetual license + $599 first year maintenance ($2,599 total + tax). Enterprise Edition $3,400 license + $1,199 maintenance ($4,599 total + tax). Architect Edition $4,416 license + $2,183 maintenance ($6,599 total + tax).

Source
Express.js: Does Express.js offer commercial support?

Express.js itself is free with no official commercial support from the project. Community support is available through documentation and community resources at no cost. Third-party vendors may offer commercial support services, though none are listed on the official website.

Source
RAD Studio: What is the difference between RAD Studio editions?

Professional Edition ($2,599 total + tax) targets individual developers. Enterprise Edition ($4,599 total + tax) adds multi-tier app capabilities. Architect Edition ($6,599 total + tax) includes advanced database and cloud features. All three include perpetual licenses.

Source
RAD Studio: Does RAD Studio offer Kai AI integration and discounts?

Yes, adding Kai AI to any edition provides discounts: 25% off Professional ($2,136 + tax), 30% off Enterprise ($3,394 + tax), and 40% off Architect ($4,109 + tax). This promotion is active through August 31, 2026.

Source
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