AppBreakup
Submit an app

Karate alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Karate: not an interactive request client, and java toolchain can feel heavy. We ranked 5 alternatives by how directly each one replaces Karate, then by reviews, real visits and how recently each app's facts were checked against its own website. SoapUI currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Postman logoPostmanFree plan + paidNoWeb, Windows, macOS +10 of 348.9
  1. Postman logo

    1. PostmanTop pick

    Best for: Teams that want a full API lifecycle platform

    Free plan + paidWeb, Windows, macOS, Linux

    48.9

    score / 100

    Why switch from Karate

    Collections and JavaScript tests with a graphical runner.

    Pros

    • Covers design, testing, docs and monitoring
    • Supports REST, GraphQL, gRPC
    • Huge public API network

    Cons

    • Pushes cloud accounts and sync
    • Heavy for simple request testing
    Visit Postman Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1530
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Postman a good Karate alternative?

    Verified facts

    0 of 3 verified
    Free plan
    Yes
    Not checked yetpostman.com(opens source in a new tab)
    Protocols
    REST, GraphQL, gRPC, WebSocket
    Not checked yetpostman.com(opens source in a new tab)
    Platforms
    Web, Windows, macOS, Linux
    Not checked yetpostman.com(opens source in a new tab)

The best Karate alternative for…

The highest-ranked app in this list for each need.

SoapUI logo

Best Karate alternative for most people

SoapUI

A graphical open-source tool for functional REST and SOAP tests.

Hurl logo

Best Karate alternative for a free option

Hurl

Lighter plain-text HTTP tests with no Java toolchain.

Katalon Studio logo

Best Karate alternative for a free plan you can upgrade

Katalon Studio

Codeless and scripted tests across API, web and mobile.

Bruno logo

Best Karate alternative for open source

Bruno

Open-source client with tests and a CLI runner for CI.

Postman logo

Best Karate alternative for Mac

Postman

Collections and JavaScript tests with a graphical runner.

SoapUI logo

Best Karate alternative for Windows

SoapUI

A graphical open-source tool for functional REST and SOAP tests.

SoapUI logo

Best Karate alternative for Linux

SoapUI

A graphical open-source tool for functional REST and SOAP tests.

Postman logo

Best Karate alternative for working in the browser

Postman

Collections and JavaScript tests with a graphical runner.

Karate alternatives: common questions

What is the best alternative to Karate?

SoapUI ranks first right now. A graphical open-source tool for functional REST and SOAP tests. Hurl and Katalon Studio follow it in our ranking.

Is there a free alternative to Karate?

Yes. SoapUI (open source), Hurl (open source), Katalon Studio (free plan + paid) and Bruno (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Karate?

Yes: SoapUI, Hurl and Bruno.

Which Karate alternatives work on Linux?

SoapUI, Hurl, Katalon Studio, Bruno and Postman run on Linux.

Why do people switch from Karate?

The complaints we hear most: not an interactive request client; java toolchain can feel heavy; some tooling only in paid editions.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Karate, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.