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Alternatives · 2026

The best IBM Rational Functional Tester alternatives

The rest of Best Regression Testing Software, in this site's order: each with what it costs, where it runs and its record score.

1
Katalon Studio

It suits teams that need to author and execute tests across web, mobile, API, and desktop applications.

AndroidiPhone & iPadWeb+6 $1,000 a year Record6.6 Visit
2 AndroidiPhone & iPadWeb+5 $20 a month Record6.6 Visit
3
Autify

It may suit teams that want natural-language test authoring or Playwright-based workflows.

AndroidiPhone & iPadWeb+4 $99 a month, billed yearly Record6.4 Visit
4
Cypress

Cypress suits developers and teams testing web applications with end-to-end or component workflows.

WebWindowsMac+2 $67 a month, billed yearly Record6.1 Visit
5
Karate

Karate suits teams that want API, UI, mock, and performance tests in one framework.

WindowsMacLinux+3 $100 a year Record6.1 Visit
6
SoapUI

SmartBear describes SoapUI as a starting point for developers and testers working with API testing.

WindowsMacLinux+2 $1,069 a year Record6.1 Visit
7
TestMu AI Web Automation (formerly LambdaTest Web Automation)

It suits teams that need to automate browser or mobile testing across multiple environments without maintaining local grids.

AndroidiPhone & iPadWeb+5 $29 a month, billed yearly Record6.0 Visit
8 AndroidiPhone & iPadWeb+5 €135 a month, billed yearly Record5.9 Visit
9
BrowserStack Automate

It suits teams that automate browser and app tests across desktop and mobile environments using supported frameworks.

AndroidiPhone & iPadWeb+3 — Record5.8 Visit
10
Postman

Postman suits developers and teams that need API design, testing, documentation, or monitoring tools.

WebWindowsMac+2 $9 a month, billed yearly Record5.8 Visit
11
WebdriverIO

WebdriverIO suits developers who write automated tests for websites, mobile apps, or supported desktop apps using Node.js.

AndroidiPhone & iPadWeb+4 Free plan Record5.6 Visit
12
ACCELQ

ACCELQ suits teams managing automated and manual testing across web, mobile, and API products.

AndroidiPhone & iPadWeb+5 Free plan Record5.5 Visit
13
Keysight Eggplant Test

It suits teams automating tests across multiple application types, including teams working in secure networks.

AndroidiPhone & iPadWeb+6 $9,999 one-time Record5.5 Visit
14 AndroidiPhone & iPadWeb+3 Free plan Record5.5 Visit
15
Appium

Appium suits developers and testers who want to automate coded UI scenarios across supported platforms.

AndroidiPhone & iPadWeb+5 Free plan Record5.3 Visit
16
Selenium

It is for developers and test teams automating browser interactions across supported languages and browsers.

WebWindowsMac+4 Free plan Record5.3 Visit
17
Testim

Testim suits teams that need to automate web or mobile app tests and want a visual, low-code authoring option.

AndroidiPhone & iPadWeb+2 Free plan Record5.3 Visit
18 WebWindowsMac+2 Free plan Record5.0 Visit
19
Squish

Squish suits teams automating GUI tests across platforms and technologies, including teams in safety- and quality-critical industries.

AndroidiPhone & iPadWeb+5 — Record5.0 Visit
20
Parasoft SOAtest

SOAtest suits QA, testing, and development teams working with APIs and microservices.

AndroidiPhone & iPadWindows+4 — Record4.9 Visit
21 Web $20 a month Record4.8 Visit
22 AndroidiPhone & iPadWeb+4 — Record4.8 Visit
23 AndroidiPhone & iPadWeb+1 — Record4.6 Visit
24 WindowsMacLinux+1 Free plan Record4.6 Visit