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Testing · head to head

Testsigma vs Tricentis Tosca

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
Tricentis Tosca logo

Tricentis Tosca

Testing

Model based test automation for enterprise applications, with deep SAP and mainframe coverage

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Testsigma has a free tier, so it costs nothing to try first.
  • 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.; Tricentis Tosca licensing is quoted per workstation at enterprise figures, so the tool only pays back where testing headcount is already large; a team of five will not recover the cost.
  • They diverge on capability: Testsigma covers Natural language authoring, Tricentis Tosca covers Model based test design.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Testsigma and Tricentis Tosca actually diverge.

Attributes where Testsigma and Tricentis Tosca differ
AttributeTestsigmaTricentis Tosca
Starting priceFreeOn request
Pricing modelPer user per monthquote
Free tierYesNo
PlatformsWeb, iOS, Android, LinuxWindows, Web

Identical on both: user rating (Not yet rated), category (Testing).

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 Tricentis Tosca

  • Model based test design
  • SAP coverage
  • Risk based test selection
  • API and message layer testing
  • Test data management
  • Distributed execution

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 Tricentis Tosca
  • Organisations that must keep test data and execution on premises for regulatory reasonsnot Tricentis Tosca
  • QA groups with manual testers being asked to automate without first learning Javanot Tricentis Tosca
  • Evaluating low code test automation properly before committing budget, by running the free edition against the real applicationnot Tricentis Tosca

Tricentis Tosca

  • Regression testing an SAP estate through an S/4HANA migration where thousands of transactions must be verifiednot Testsigma
  • A regulated organisation that needs auditable evidence of what was tested before each releasenot Testsigma
  • Testing a mixed estate of browser, Windows desktop and mainframe applications from one suitenot Testsigma
  • A test centre of excellence with dozens of testers where per screen maintenance beats per test maintenancenot 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.

Tricentis Tosca

  • Licensing is quoted per workstation at enterprise figures, so the tool only pays back where testing headcount is already large; a team of five will not recover the cost.
  • Building the initial application model takes months and is usually done with paid consultants, meaning value arrives long after the invoice does.
  • The authoring environment is Windows only and heavy, which sits awkwardly in organisations whose engineers work on macOS or Linux.
  • Tricentis has assembled its portfolio through acquisitions, so products sold together vary in how deeply they are integrated and a buyer should verify the joins rather than the diagram.
  • Skills are specific to Tosca and not transferable, so recruiting testers means hiring for a niche tool and losing a trained one hurts more than losing a Selenium engineer.

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

Tricentis Tosca

On request
  • Tricentis Tosca$undefined/year
    • Quoted per workstation licence with separate execution agents and module packs
    • Implementation is normally sold with partner services, which typically exceed first year licence cost

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 Tricentis Tosca if

  • You need model based test design.
  • You work on Windows, Web.
  • You also want sap coverage.
Tricentis Tosca review

Questions people ask

Is Testsigma or Tricentis Tosca better?
Neither clearly leads. Testsigma starts at Free and Tricentis Tosca at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Testsigma or Tricentis Tosca?
Testsigma has a free tier; the other does not. Paid plans start at Free for Testsigma and On request for Tricentis Tosca.
Does Testsigma or Tricentis Tosca run on more platforms?
Testsigma runs on Web, iOS, Android, Linux. Tricentis Tosca runs on Windows, Web.
Can I use Testsigma for free?
Yes. Testsigma has a free tier, so you can try it without paying. Tricentis Tosca starts at On request.
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 Tricentis Tosca is typically brought in for.
What can Testsigma do that Tricentis Tosca cannot?
Testsigma covers Natural language authoring, Unified web, mobile and API tests, Self hosted community edition, Cloud device and browser grid. Tricentis Tosca covers Model based test design, SAP coverage, Risk based test selection, API and message layer testing.

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.

Tricentis Tosca: Is Tosca scriptless?

Test assembly is scriptless, but non trivial estates still need TQL queries and custom modules, which is programming under another name.

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.

Tricentis Tosca: Why does it dominate SAP testing?

It holds SAP certification, covers SAP GUI and Fiori at transaction level, and is sold through the same integrators that run SAP programmes.

Testsigma: Can it test native iOS and Android applications?

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

Tricentis Tosca: Can it replace Selenium for a web only product?

It can, but the economics do not work. Model based testing pays off across large heterogeneous estates, not one web application.

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