Softwr

Developer Tools · head to head

GNAT Pro vs Sketch

GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Free plan
No
Full reviewWebsite
Sketch logo

Sketch

Technology

The digital design toolkit

From
$12/month
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; Sketch macOS-only for editing, blocking Windows and Linux users from accessing design features
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which GNAT Pro and Sketch actually diverge.

Attributes where GNAT Pro and Sketch differ
AttributeGNAT ProSketch
Starting priceOn request$12/month
Pricing modelquoteUnknown
PlatformsWebmacOS, Web, iOS, iPad
CategoryDeveloper ToolsTechnology
FoundedUnknown2010

Identical on both: free tier (No), 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 GNAT Pro

Nothing recorded that Sketch does not also cover.

Only in Sketch

  • Vector editing
  • Symbols & components
  • Prototyping
  • Real-time collaboration
  • Developer handoff
  • Plugins ecosystem
  • Cloud sync
  • Version history

What people use each for

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

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Sketch
  • Developing automotive embedded systems with ISO-26262 compliancenot Sketch
  • Integrating Ada, C/C++, and Rust components in single codebasenot Sketch
  • Managing software supply chain vulnerabilities and SBOMsnot Sketch
  • Supporting long-lived software systems spanning decadesnot Sketch

Sketch

  • UI designnot GNAT Pro
  • Mobile app designnot GNAT Pro
  • Web designnot GNAT Pro
  • Design systemsnot GNAT Pro
  • Prototypingnot GNAT Pro

Where each one falls short

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

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

Sketch

  • macOS-only for editing, blocking Windows and Linux users from accessing design features
  • Real-time collaboration feels less seamless than Figma with occasional sync delays
  • Limited built-in image editing capabilities, requiring external software for bitmap work
  • Subscription required for cloud features and collaboration, losing access if subscription lapses

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Sketch

$12/month
  • Standard$12/month
    • Real-time collaboration
    • Unlimited documents
    • Unlimited free viewers
  • Professional$24/month
    • Everything in Standard
    • Single Sign-On (SSO)
    • Project archiving
  • Enterprise$44/month
    • Everything in Professional
    • SCIM provisioning
    • BYOK encryption
  • Mac-only License$120/perpetual
    • Native Mac app
    • Offline access
    • Local file saving

Which should you pick?

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from Sketch on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Choose Sketch if

  • You need vector editing.
  • You work on macOS, Web, iOS, iPad.
  • You also want symbols & components.
Sketch review

Questions people ask

Is GNAT Pro or Sketch better?
Neither clearly leads. GNAT Pro starts at On request and Sketch at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Sketch?
GNAT Pro starts at On request and Sketch at $12/month.
Does GNAT Pro or Sketch run on more platforms?
GNAT Pro runs on Web. Sketch runs on macOS, Web, iOS, iPad.
What is GNAT Pro best used for?
GNAT Pro is most often used for building certified avionics software meeting do-178b/c standards, developing automotive embedded systems with iso-26262 compliance, integrating ada, c/c++, and rust components in single codebase, managing software supply chain vulnerabilities and sboms. Of those, building certified avionics software meeting do-178b/c standards and developing automotive embedded systems with iso-26262 compliance are not what Sketch is typically brought in for.
What can GNAT Pro do that Sketch cannot?
Sketch covers Vector editing, Symbols & components, Prototyping, Real-time collaboration.

Answered from the vendors’ own pages

GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

Source
Sketch: Is Sketch available for Windows or Linux?

No. Sketch is macOS-only for the design and prototyping features. Web and mobile apps provide viewing and collaboration, but editing requires macOS 14.0 or later.

Source
GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

Source
Sketch: Does Sketch offer a free trial?

Yes. Sketch provides a 30-day free trial with no credit card required. You can also purchase a one-time Mac-only license for $120 per seat instead of subscribing.

Source
Sketch: What collaboration features does Sketch include?

Sketch supports real-time collaboration, unlimited document sharing, unlimited viewers, and version history on all paid subscription plans (Standard $12/month, Professional $24/month, Enterprise $44/month).

Source
Sketch: Can I use Sketch offline?

Yes. The one-time Mac-only license ($120) allows you to use Sketch offline and save files locally, but it excludes cloud collaboration and iOS previewing features.

Source
Share

Related pages

More on GNAT Pro

More on Sketch

Keep looking

Other head to heads