Diagrams.net vs Sketch: Which Should You Choose in 2026?

Choosing between Diagrams.net and Sketch comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Diagrams.net

Security-first diagramming

Best for you if:

  • • You need something completely free
  • • You need diagramming features specifically
  • • You need security-first diagramming
  • • You want a completely free tool

Sketch

Professional digital design for Mac

Best for you if:

  • • You need ui/ux design features specifically
  • Vector design tool for Mac
  • UI/UX design focused
At a Glance
Diagrams.netDiagrams.net
SketchSketch
Price
FreePaid
Best For
DiagrammingUI/UX Design
Rating
/100/100
FeatureDiagrams.netSketch
Pricing ModelFreePaid
Editorial Score
Community RatingNo ratings yetNo ratings yet
Total Reviews00
Community Upvotes
160
0
Categories
DiagrammingWhiteboard
UI/UX DesignGraphic Design

Understanding the Differences

Both Diagrams.net and Sketch solve similar problems, but they approach them differently.Diagrams.net positions itself as "security-first diagramming" while Sketchfocuses on "professional digital design for mac". These differences matter depending on what you're trying to accomplish.

When to Choose Diagrams.net

Diagrams.net makes sense if you're looking for a completely free solution.

When to Choose Sketch

Sketch is worth considering if you need a professional-grade tool.

Who Should Use What?

Bootstrapped or small team?

When every dollar counts, Diagrams.net lets you get started without pulling out your credit card.

We'd pick: Diagrams.net

Growing fast?

Your team doubled last quarter and you need tools that won't break when you add 50 more people. Sketch is built for teams that are leveling up.

We'd pick: Sketch

Enterprise with complex needs?

You need SSO, compliance certifications, and a support team that picks up the phone. Sketch takes enterprise seriously.

We'd pick: Sketch

Still not sure? Answer these 3 questions

1

How much can you spend?

Nothing at all? Diagrams.net is completely free.

2

Do you care what other users think?

Both have similar review counts. Read a few before you commit.

3

Expert opinion or crowd wisdom?

Our team rated Diagrams.net higher (/100). But the community has upvoted Diagrams.net more (160 votes). Pick your source of truth.

Key Takeaways

What Diagrams.net Does Better

  • More community upvotes
  • Our recommendation for most use cases

Consider Sketch If

  • Its specific features better match your workflow
  • You prefer its interface or design approach

The Bottom Line

If we had to pick one, we'd go with Diagrams.net. But the honest answer is that "better" depends on your situation. Diagrams.net scores higher in our analysis, but Sketch might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.

Frequently Asked Questions

Is Diagrams.net or Sketch better?

Based on our analysis, Diagrams.net scores higher with high/100. Diagrams.net isfree while Sketch is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.

Can I switch from Diagrams.net to Sketch easily?

Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.

Do Diagrams.net and Sketch offer free trials?

Most software in this category offers free trials or free tiers. Diagrams.net is completely free.Sketch is paid with potential trial. Visit their websites for current trial offers.

Related Comparisons & Resources

Compare other tools