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Developer Tools · head to head

RAD Studio vs SolidStart

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
SolidStart logo

SolidStart

Web Development

Full-stack meta-framework for SolidJS with fine-grained reactivity

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only SolidStart has a free tier, so it costs nothing to try first.
  • Each has a real cost: RAD Studio professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax; SolidStart smaller ecosystem compared to Next.js or Remix due to relative newness
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which RAD Studio and SolidStart actually diverge.

Attributes where RAD Studio and SolidStart differ
AttributeRAD StudioSolidStart
Starting price$2000/perpetualFree
Pricing modelone-timeopen-source
Free tierNoYes
CategoryDeveloper ToolsWeb Development

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

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in RAD Studio

Nothing recorded that SolidStart does not also cover.

Only in SolidStart

  • Fine-grained reactivity
  • Server actions
  • Single-flight mutations
  • Request deduplication
  • Multi-router support
  • Automatic API generation
  • Vite integration

What people use each for

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

RAD Studio

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

SolidStart

  • Building lightweight full-stack applications with minimal runtime overheadnot RAD Studio
  • Projects requiring fine-grained reactivity and automatic dependency trackingnot RAD Studio
  • Applications targeting multiple deployment platforms with single codebasenot RAD Studio
  • Teams prioritizing performance and small bundle sizesnot RAD Studio

Where each one falls short

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

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

SolidStart

  • Smaller ecosystem compared to Next.js or Remix due to relative newness
  • SolidJS less familiar to developers with React experience
  • Community documentation not as extensive as larger frameworks
  • Limited third-party UI component libraries compared to React ecosystem

Pricing, plan by plan

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

SolidStart

Free

No published plan breakdown. See the SolidStart review.

Which should you pick?

Choose RAD Studio if

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

RAD Studio review

Choose SolidStart if

  • You need fine-grained reactivity.
  • You want to start without paying.
  • You also want server actions.
SolidStart review

Questions people ask

Is RAD Studio or SolidStart better?
Neither clearly leads. RAD Studio starts at $2000/perpetual and SolidStart at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, RAD Studio or SolidStart?
SolidStart has a free tier; the other does not. Paid plans start at $2000/perpetual for RAD Studio and Free for SolidStart.
Does RAD Studio or SolidStart run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use SolidStart for free?
Yes. SolidStart has a free tier, so you can try it without paying. RAD Studio starts at $2000/perpetual.
What is RAD Studio best used for?
RAD Studio is most often used for building windows desktop applications with vcl components, creating ios and android apps from shared delphi codebase, connecting to oracle databases through firedac connectivity, building rest web services that run on linux servers. Of those, building windows desktop applications with vcl components and creating ios and android apps from shared delphi codebase are not what SolidStart is typically brought in for.
What can RAD Studio do that SolidStart cannot?
SolidStart covers Fine-grained reactivity, Server actions, Single-flight mutations, Request deduplication.

Answered from the vendors’ own pages

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
SolidStart: What is SolidJS and how does it differ from React?

SolidJS uses fine-grained reactivity and automatic dependency tracking instead of React's virtual DOM, resulting in smaller bundles and better performance.

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
SolidStart: How many deployment platforms does SolidStart support?

SolidStart supports over 20 deployment platforms including Cloudflare, Netlify, Vercel, Deno, AWS, and Azure through Vite plugins.

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
SolidStart: Can I use TanStack Router with SolidStart?

Yes, SolidStart supports using either the official Solid Router or TanStack Router depending on project requirements.

Source
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