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CoTester

Agenticness10/36·Guided Assistant

AI testing that runs on real devices and browsers

TestGrid CoTester is an AI-assisted testing platform for web and mobile apps. It helps teams generate, execute, and troubleshoot tests across real devices, browsers, and private cloud infrastructure.

Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric →

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Paid
Enterprise
Vision
Integrations
Cloud Hosted
Copilot (Human-in-Loop)
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Recent activity

What's happened with CoTester lately

  • Score change
    Rubric upgrade v3_0 → v3.1: score 9/32 → 10/369 → 10/36(+1)

    Rubric upgrade: agenticness v3.0 (8 dims, /32) → v3.1 (9 dims, /36). Adds Dim 9 (Operator Sovereignty), splits Dim 6 into 6a/6b lenses, tightens Dim 4 autonomous-retry distinction. Not a product change — score shift reflects new dimension + recalibrated rubric, not a change in the tool. Fanout suppressed.

    See the news that prompted this

News mentions sourced from our news feed; score changes from periodic re-evaluations.

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About

What It Is

TestGrid CoTester is a software testing platform built around AI-assisted test creation and execution. It is aimed at QA teams, engineering teams, and enterprises that need to run tests on real browsers and mobile devices, including setups that require private cloud or on-prem infrastructure.

What to Know

This looks more like an AI-enabled testing platform than a general-purpose autonomous agent. The AI is used for tasks such as generating test cases, summarizing bugs, and auto-healing tests, but the product still appears to be centered on guided QA...

Key Features
Manual test case generation
Bulk automation test case generation
Test execution on real devices and browsers
AI bug summary
AI auto-heal for tests
Use Cases
QA teams generating and running automated tests on real mobile devices and browsers
Enterprises that need private cloud or on-prem test infrastructure for segregated teams
Teams with existing Selenium or Appium suites that want to run them on TestGrid
Agenticness: Guided Assistant

Executes tasks you assign, one step at a time, within narrow domains.

High evidence
Last evaluated: May 22, 2026

Dimension Breakdown

Action Capability
Autonomy
Adaptation
State & Memory
Safety
How agenticness works →

Categories

Engineering & DevTools
Pricing
  • Free: Free trial available for the Starter Package
  • Starter Package ($199/seat/mo): 4 seats, 4 devices/browsers, 5,000 tokens, and features including manual test case generation, bulk automation test case generation, real-device/browser execution, AI bug summary, AI auto-heal, visual testing, cloud ERP testing, performance testing, code download support, geolocation testing, API integration, global variables, data parameterization, and 24x5 email support
  • Growth Package: Custom pricing; includes all Starter features plus marketplace integrations, LDAP, MFA, single sign-on, site-to-site tunneling, 24x5 chat support, device reservation, network logs, and no additional data storage cost
  • Enterprise Test Infra: Custom pricing; on-prem/hosted option with unlimited users and minutes, real device cloud, real browsers, dedicated servers, TG Connect, virtual USB, site-to-site VPN tunnel, on-premise hosting with TG Cart, and access to public devices
Details
testgrid.io
AddedJanuary 16, 2026
RefreshedMarch 28, 2026
Agenticness
Guided Assistant
Quick Facts
DeploymentHybrid (cloud + self-hosted)
AutonomySemi-autonomous
Model supportSingle model
Open sourceNo
Team supportEnterprise
Pricing modelPer seat
Interfaceweb, api
Sources
WebWant to See If It's Worth the Switch? Calculate Your Savings
WebDocumentation
Webcotester on npm
Last updated May 22, 2026
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