Can I use both Insomnia and Postman?

Technically you can install both, but they serve similar purposes so most users pick one. Try both (they're easy to install via Homebrew) and see which fits your workflow better.

Which is more popular, Insomnia or Postman?

Both apps have strong user bases in the API tools space.

How do I install Insomnia or Postman on Mac?

Use Homebrew: "brew install --cask insomnia" for Insomnia, or "brew install --cask postman" for Postman.

TL;DR

Insomnia vs Postman: For most users in 2026, Insomnia is the better choice because it's open source. However, Postman remains a solid option for users who prefer its unique features.

PublishedJanuary 1, 2026•UpdatedApril 9, 2026

Which is better: Insomnia or Postman?

For most users in 2026, Insomnia is the better choice because it's open source. However, Postman remains a solid option for users who prefer its unique features.

Insomnia vs Postman

Which is the better API tools for Mac in 2026?

We compared Insomnia and Postman across 5 key factors including price, open-source status, and community adoption. For most users in 2026, Insomnia is the better choice because it's open source. Read our full breakdown below.

Insomnia

HTTP and GraphQL Client

FreeOpen Source

Postman

API platform for building and using APIs

Free

Visual Comparison

Insomnia

Postman

Our Verdict

For most users in 2026, Insomnia is the better choice because it's open source. However, Postman remains a solid option for users who prefer its unique features.