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Testing · head to head

Testsigma vs WSO2 API Manager

Testsigma logo

Testsigma

Testing

Natural language test automation for web, mobile and API with a self hosted open source edition

From
Free
Rated
-
Full reviewWebsite
WSO2 API Manager logo

WSO2 API Manager

APIs

Complete API management platform for designing and managing APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Testsigma the natural language layer is a fixed vocabulary rather than real English, so testers spend the first weeks learning which phrasings the parser accepts, which is learning a language after all.; WSO2 API Manager the free open source distribution does not include a subscription to the WSO2 Update service, so continuous improvements and security patches require a paid subscription
  • They diverge on capability: Testsigma covers Natural language authoring, WSO2 API Manager covers API Gateway.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Testsigma and WSO2 API Manager actually diverge.

Attributes where Testsigma and WSO2 API Manager differ
AttributeTestsigmaWSO2 API Manager
Pricing modelPer user per monthopen-source
PlatformsWeb, iOS, Android, LinuxJava, Linux, Docker, Kubernetes
CategoryTestingAPIs
FoundedUnknown2005

Identical on both: starting price (Free), free tier (Yes), 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 Testsigma

  • Natural language authoring
  • Unified web, mobile and API tests
  • Self hosted community edition
  • Cloud device and browser grid
  • Data driven runs
  • Custom functions

Only in WSO2 API Manager

  • API Gateway
  • API Designer
  • Developer Portal
  • LDAP
  • Okta
  • Keycloak
  • Microservices
  • Java support

What people use each for

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

Testsigma

  • A team maintaining separate Selenium and Appium suites that wants one place for web and native mobile coveragenot WSO2 API Manager
  • Organisations that must keep test data and execution on premises for regulatory reasonsnot WSO2 API Manager
  • QA groups with manual testers being asked to automate without first learning Javanot WSO2 API Manager
  • Evaluating low code test automation properly before committing budget, by running the free edition against the real applicationnot WSO2 API Manager

WSO2 API Manager

  • Publishing, securing and rate limiting APIs behind a gatewaynot Testsigma
  • Running an API developer portal with subscription key managementnot Testsigma
  • Self hosting an open source API management layer on premisesnot Testsigma

Where each one falls short

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

Testsigma

  • The natural language layer is a fixed vocabulary rather than real English, so testers spend the first weeks learning which phrasings the parser accepts, which is learning a language after all.
  • Anything conditional or arithmetic falls through to custom Java or JavaScript, and that code lives in the platform editor rather than your repository, where it gets no code review and no version history you control.
  • The community edition lags the cloud product and is not the version the vendor demonstrates, so a self hosted evaluation can understate or overstate what you would actually buy.
  • Cloud execution is billed separately from authoring seats, so a suite that grows from two hundred to two thousand tests changes the bill without anyone changing the plan.
  • Support and engineering are concentrated in Indian time zones, which slows incident turnaround for teams working in the Americas.

WSO2 API Manager

  • The free open source distribution does not include a subscription to the WSO2 Update service, so continuous improvements and security patches require a paid subscription
  • A commercial production licence is not part of the free download and comes only with a subscription
  • No subscription price is published; Basic Support and Enterprise Support both require contacting sales for a quote
  • 24x7x365 coverage requires Enterprise Support; the general query SLA is one business day
  • A Customer Success Manager is a paid optional add on covering business hours only
  • Consulting services and WSO2 Private Cloud hosting are quoted separately

Pricing, plan by plan

Testsigma

Free
  • Community Edition$undefined/month
    • Self hosted, open source, no licence fee
    • You supply the infrastructure and the browser or device grid
  • Cloud$undefined/month
    • Priced per authoring user with additional charges for parallel cloud executions and device minutes
    • Published tiers exist but the figures that matter at team scale come from sales

WSO2 API Manager

Free
  • CommunityFree
    • Core API management
    • Community support
  • Commercial$undefined/monthly
    • Enterprise features
    • Technical support
    • SLA

Which should you pick?

Choose Testsigma if

  • You need natural language authoring.
  • You want to start without paying.
  • You work on Web, iOS, Android, Linux.
  • You also want unified web, mobile and api tests.
Testsigma review

Choose WSO2 API Manager if

  • You need api gateway.
  • You want to start without paying.
  • You work on Java, Linux, Docker, Kubernetes.
  • You also want api designer.
WSO2 API Manager review

Questions people ask

Is Testsigma or WSO2 API Manager better?
Neither clearly leads. Testsigma starts at Free and WSO2 API Manager at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Testsigma or WSO2 API Manager?
Testsigma starts at Free and WSO2 API Manager at Free.
Does Testsigma or WSO2 API Manager run on more platforms?
Testsigma runs on Web, iOS, Android, Linux. WSO2 API Manager runs on Java, Linux, Docker, Kubernetes.
Can I use Testsigma for free?
Both have a free tier, so you can try either at no cost before committing.
What is Testsigma best used for?
Testsigma is most often used for a team maintaining separate selenium and appium suites that wants one place for web and native mobile coverage, organisations that must keep test data and execution on premises for regulatory reasons, qa groups with manual testers being asked to automate without first learning java, evaluating low code test automation properly before committing budget, by running the free edition against the real application. Of those, a team maintaining separate selenium and appium suites that wants one place for web and native mobile coverage and organisations that must keep test data and execution on premises for regulatory reasons are not what WSO2 API Manager is typically brought in for.
What can Testsigma do that WSO2 API Manager cannot?
Testsigma covers Natural language authoring, Unified web, mobile and API tests, Self hosted community edition, Cloud device and browser grid. WSO2 API Manager covers API Gateway, API Designer, Developer Portal, LDAP.

Answered from the vendors’ own pages

Testsigma: Is the open source edition genuinely usable in production?

Yes for self hosted execution, though it trails the cloud version on newer features and you maintain the grid yourself.

WSO2 API Manager: How is WSO2 API Manager priced?

WSO2 API Manager pricing is not published on their website. As an enterprise API management platform, pricing is custom-quoted based on deployment model and organizational requirements.

Source
Testsigma: Do testers need to know Selenium?

Not to write ordinary steps. They will need someone who does as soon as the suite needs custom functions or awkward waits.

WSO2 API Manager: Does WSO2 API Manager offer different pricing for on-premises versus cloud deployments?

WSO2 API Manager supports multiple deployment options including on-premises and cloud, but pricing structures for different deployment models are not publicly disclosed.

Source
Testsigma: Can it test native iOS and Android applications?

Yes, through Appium underneath, on the hosted device grid or your own devices.

WSO2 API Manager: What deployment flexibility does WSO2 API Manager provide?

WSO2 API Manager enables flexible deployment on-premises or in cloud environments, but specific pricing tiers for each deployment model require contacting WSO2 sales.

Source
WSO2 API Manager: How would I request a WSO2 API Manager pricing quote?

Organizations can request pricing quotes by contacting WSO2 sales through their website. Custom quotes depend on API volume, deployment model, and feature requirements.

Source
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