Softwr

Databases · head to head

PostgreSQL vs RAD Studio

PostgreSQL logo

PostgreSQL

Databases

Open source relational database

From
Free
Free plan
Yes
Visit PostgreSQLFull review
RAD Studio logo

RAD Studio

Developer Tools

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

From
$2000/perpetual
Free plan
No
Visit RAD StudioFull review

The short version

  • PostgreSQL is a powerful, open source object-relational database system; RAD Studio is a cross-platform IDE.
  • PostgreSQL is free; RAD Studio starts at $2000/mo.
  • Where PostgreSQL falls short: requires manual scaling across multiple machines for very large deployments.
  • Where RAD Studio falls short: professional edition costs $2,000 for the perpetual license plus $599 for year one maintenance, totaling $2,599 before tax.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

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

Attributes where PostgreSQL and RAD Studio differ
AttributePostgreSQLRAD Studio
Starting priceFree$2000/perpetual
Free tierYesNo
PlatformsLinux, Windows, macOSWeb
CategoryDatabasesDeveloper Tools

Not yet recorded: pricing model for PostgreSQL, founded for RAD Studio.

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 PostgreSQL

  • ACID Compliance
  • JSON/JSONB Support
  • Full-text Search
  • Extensibility
  • Advanced Indexing
  • Partitioning
  • Replication
  • pgAdmin

Only in RAD Studio

Nothing recorded that PostgreSQL does not also cover.

What people use each for

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

PostgreSQL

  • Transaction processingnot RAD Studio
  • Data storagenot RAD Studio
  • Application backendnot RAD Studio
  • Reportingnot RAD Studio
  • Data analyticsnot RAD Studio

RAD Studio

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

Where each one falls short

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

PostgreSQL

  • Requires manual scaling across multiple machines for very large deployments
  • Performance tuning requires deep knowledge of database internals
  • No built-in graphical admin interface; command-line tools are primary method

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

PostgreSQL

Free

No published plan breakdown. See the PostgreSQL review.

RAD Studio

$2000/perpetual
  • Professional Edition$2,000 one-off
    • Perpetual License
    • First year maintenance $599
    • Total $2,599 + Tax
  • Enterprise Edition$3,400 one-off
    • Perpetual License
    • First year maintenance $1,199
    • Total $4,599 + Tax
  • Architect Edition$4,416 one-off
    • Perpetual License
    • First year maintenance $2,183
    • Total $6,599 + Tax

Which should you pick?

Choose PostgreSQL if

  • You need acid compliance.
  • You want to start without paying.
  • You work on Linux, Windows, macOS.
  • You also want json/jsonb support.
PostgreSQL review

Choose RAD Studio if

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

RAD Studio review

Questions people ask

Is PostgreSQL or RAD Studio better?
Neither clearly leads. PostgreSQL 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, PostgreSQL or RAD Studio?
PostgreSQL has a free tier; the other does not. Paid plans start at Free for PostgreSQL and $2000/perpetual for RAD Studio.
Does PostgreSQL or RAD Studio run on more platforms?
PostgreSQL runs on Linux, Windows, macOS. RAD Studio runs on Web.
Can I use PostgreSQL for free?
Yes. PostgreSQL has a free tier, so you can try it without paying. RAD Studio starts at $2000/perpetual.
What is PostgreSQL best used for?
PostgreSQL is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what RAD Studio is typically brought in for.
What can PostgreSQL do that RAD Studio cannot?
PostgreSQL covers ACID Compliance, JSON/JSONB Support, Full-text Search, Extensibility.

Answered from the vendors’ own pages

PostgreSQL: Is PostgreSQL completely free?

Yes. PostgreSQL is completely free and open source with no licensing fees or restrictions on use.

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
PostgreSQL: What platforms does PostgreSQL run on?

PostgreSQL runs on all major operating systems including Linux, Windows, macOS, BSD, and commercial Unix variants, and has been proven highly scalable managing terabytes to petabytes of data.

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
PostgreSQL: What procedural languages are supported?

PostgreSQL supports stored functions and procedures in multiple languages including PL/pgSQL, Perl, Python, Tcl, Java, JavaScript, R, and Rust.

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
PostgreSQL: What is ACID compliance in PostgreSQL?

PostgreSQL has been ACID-compliant since 2001, ensuring data integrity through atomicity, consistency, isolation, and durability guarantees for all transactions.

Source
PostgreSQL: Does PostgreSQL support JSON data?

Yes. PostgreSQL supports JSON and JSONB data types for storing and querying JSON documents, along with XML and other document formats.

Source
Share

Related pages

More on PostgreSQL

More on RAD Studio

Keep looking

Other head to heads