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testcritic

TestingBot vs Selenium Grid

Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.

Entry price

From €20 per month (Live, billed annually; €30 month-to-month)

Paid

Free and open source

Open source

What drives the bill

The metric that actually scales your invoice.

Simple, published per-parallel-session pricing; generally cheaper than the market leaders.

Free software; you pay for the compute and for someone to keep it running.

Free tier

Free trial with limited minutes.

Everything, self-hosted

Open source

Apache-2.0

Self-hostable

No-code authoring

Languages

JavaScriptJavaPythonC#RubyPHP
JavaPythonJavaScriptC#Ruby

Platforms

WebiOSAndroid
Web

Fits teams

StartupScale-up / mid-market
Scale-up / mid-marketEnterprise

Adoption

Emerging

TestingBot · since 2012

Widely used

Software Freedom Conservancy · since 2008

Strengths

  • Transparent pricing and no enterprise sales process.
  • EU-based, which simplifies some data-residency conversations.
  • Responsive support relative to company size.
  • No per-session licensing — parallelism is limited only by your compute budget.
  • Runs inside your network, so private environments and data never leave.
  • Fully under your control, including browser versions.

Limitations

  • Smaller device and browser matrix than the leaders.
  • Fewer adjacent products — no visual testing or analytics suite.
  • Small vendor risk for critical infrastructure.
  • You own the operations: scaling, browser image updates, flaky node debugging.
  • No real iOS or Android devices, and no Safari without macOS hosts.
  • No built-in video, analytics or dashboards without extra tooling.

Best for

European small and mid-sized teams wanting a no-nonsense grid at a fair price.

Organisations with platform engineering capacity and either scale or data-residency constraints.

All of these integrate with: Selenium, Jenkins.

Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.