Agent Device vs BrowserBash: Testing Tool Comparison

Agent Device and BrowserBash side by side: verified capabilities, integrations, pricing, and limitations, each claim cited to an official source.

SDK examples

One documented example per tool where available.

  • TypeScript
nodejs-api-basic TypeScript Basic usage Not run
Package:
agent-device (version not recorded)
Install:
npm install agent-device
import { createAgentDeviceClient } from 'agent-device';

async function main() {
  const client = createAgentDeviceClient({
    session: 'qa-integration',
    platform: 'ios',
    udid: 'auto',
  });

  try {
    await client.sessions.open();
    await client.command.openApp({ bundleId: 'com.apple.Preferences' });
    await client.command.tapOn({ text: 'Wi-Fi' });
    await client.command.tapOn({ text: 'Other...' });
    await client.command.inputText({ text: 'MyNetwork', into: 'Network Name' });
    await client.command.tapOn({ text: 'Join' });
  } finally {
    await client.sessions.close();
  }
}

await main();

Run: node --experimental-strip-types examples/sdk/client-session.ts

Adapted from official docs

BrowserBash: no approved SDK sample.
Unknown means no documentation was found; it is not the same as unsupported.
FieldScreenshot of the Agent Device homepage Agent DeviceScreenshot of the BrowserBash homepage BrowserBash
Identity
CategoryTestingTesting
VendorCallstackBrowserBash
Product statusactiveactive
SummaryAgent Device is Callstack's open-source command-line tool and MCP server that lets AI coding agents inspect, control, and verify mobile, TV, desktop, and web applications.BrowserBash is an open-source command-line tool that drives a browser from plain-English instructions.
Product kindFramework, AI testing agentFramework, AI testing agent
AI
Uses AI
Supported
Verified 2026-09-26[5]
Supported
Test generation, Execution, Failure analysis
AI agent drives the browser based on plain-English objectives. It also helps with failure analysis by providing deterministic assertions and evidence.
Verified 2026-09-26[3][2]
AI test generation
Supported
Verified 2026-09-26[5]
Supported
AI agent generates browser actions from plain-English objectives.
Verified 2026-09-26[3]
AI executes the app
Supported
Verified 2026-09-26[5]
Supported
AI agent drives the browser to execute the application based on plain-English objectives.
Verified 2026-09-26[3]
AI generates code only
Unsupported
Null
Verified 2026-09-26[5]
Unsupported
Verified 2026-09-26[2]
Autonomous exploration
Supported
Verified 2026-09-26[5]
Unknown
No explicit mention of autonomous exploration.
Verified 2026-09-26[3]
Vision-based interaction
Supported
Verified 2026-09-26[6]
Unknown
While it interacts with the UI, it is not explicitly stated to be vision-based.
Verified 2026-09-26[2]
Selector-free execution
Supported
Verified 2026-09-26[7]
Supported
Verified 2026-09-26[3]
Adapts to UI changes
Unknown
Verified 2026-09-26[1]
Supported
The AI agent resolves targets against the live DOM at runtime, adapting to UI changes.
Verified 2026-09-26[2]
Self-healing
Unknown
Verified 2026-09-26[1]
Supported
The AI agent adapts to UI changes at runtime, which can be considered a form of self-healing.
Verified 2026-09-26[2]
AI failure analysis
Supported
Verified 2026-09-26[5]
Supported
Provides deterministic assertions and expected-vs-actual evidence on every failure.
Verified 2026-09-26[3]
What it tests
Testing typesEnd-to-end, Functional, Regression, ExploratoryEnd-to-end, Functional, Regression, API
TargetsWeb app, Native desktop, Native mobileWeb app, API
Native desktop testing
Supported
Verified 2026-09-26[1]
Unsupported
BrowserBash is for browser automation.
Verified 2026-09-26[3]
Native mobile testing
Supported
Verified 2026-09-26[1]
Unknown
While it supports responsive viewports, there is no explicit mention of native mobile app testing.
Verified 2026-09-26[3]
Browser extension testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of browser extension testing.
Verified 2026-09-26[3]
Cross-browser testing
Unknown
Verified 2026-09-26[1]
Supported
Plugin
Supports various cloud browser providers like Browserbase, LambdaTest, and BrowserStack.
Verified 2026-09-26[3]
Cross-platform testing
Supported
Verified 2026-09-26[1]
Supported
Runs on Windows, macOS, and Linux, and can target different operating systems via cloud providers.
Verified 2026-09-26[3]
Real device testing
Supported
Verified 2026-09-26[2]
Unknown
While it drives real browsers, it is not explicitly stated to support real mobile devices, only responsive viewports.
Verified 2026-09-26[3]
Multi-tab testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of multi-tab testing.
Verified 2026-09-26[3]
iframe testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of iframe testing.
Verified 2026-09-26[3]
Canvas testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of canvas testing.
Verified 2026-09-26[3]
PDF validation
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of PDF validation.
Verified 2026-09-26[3]
File upload testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of file upload testing.
Verified 2026-09-26[3]
File download testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of file download testing.
Verified 2026-09-26[3]
OAuth testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of OAuth testing.
Verified 2026-09-26[3]
Email testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of email testing.
Verified 2026-09-26[3]
Notification testing
Supported
Verified 2026-09-26[8]
Unknown
No explicit mention of notification testing.
Verified 2026-09-26[3]
Video content validation
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of video content validation.
Verified 2026-09-26[3]
Developer integrations
MCP server
Supported
Verified 2026-09-26[5]
Supported
Official
MCP server built into the CLI, exposing run_objective, run_test_file, and run_suite actions.
Verified 2026-09-26[3][1]
VS Code extension
Unknown
Verified 2026-09-26[5]
Unknown
No mention of a VS Code extension on the website.
Verified 2026-09-26[3]
SDK
Supported
Verified 2026-09-26[3]
Unsupported
BrowserBash is a CLI tool, not an SDK.
Verified 2026-09-26[3]
PR workflow
GitHub
Supported
Verified 2026-09-26[8]
Unknown
No explicit mention of GitHub integration features beyond being open source and usable in CI.
Verified 2026-09-26[3]
CI execution
Supported
Verified 2026-09-26[2]
Supported
Built for CI/CD pipelines, with structured NDJSON output and standard exit codes.
Verified 2026-09-26[3]
GitHub PR checks
Unknown
Verified 2026-09-26[2]
Unknown
No explicit mention of GitHub PR checks.
Verified 2026-09-26[3]
PR-aware test selection
Unknown
Verified 2026-09-26[2]
Unknown
No explicit mention of PR-aware test selection.
Verified 2026-09-26[3]
Autonomous PR validation
Supported
Verified 2026-09-26[2]
Unknown
No explicit mention of autonomous PR validation.
Verified 2026-09-26[3]
PR comments
Unknown
Verified 2026-09-26[2]
Unknown
No explicit mention of PR comments.
Verified 2026-09-26[3]
Preview deployment testing
Unknown
Verified 2026-09-26[2]
Unknown
No explicit mention of deployment preview testing.
Verified 2026-09-26[3]
Merge gating
Unknown
Verified 2026-09-26[2]
Supported
CI exit codes can be used to gate pipelines on pass/fail signals.
Verified 2026-09-26[3]
Scheduled execution
Unknown
Verified 2026-09-26[2]
Supported
Can be used for production monitoring with scheduled execution via `browserbash monitor --every 10m`.
Verified 2026-09-26[3]
Pricing
Pricing
Free
Free
Pricing modelsFreeFree, Subscription
Free tierAvailableNot researched
TrialNot applicableNot researched
Deployment
DeploymentLocal, Self-hostedLocal, SaaS, Self-hosted
LicenseOpen sourceOpen source
License identifiersMITApache 2.0
Compatibility
LanguagesJavaScript, TypeScript, Natural languageNatural language
Runner OSWindows, macOS, LinuxWindows, macOS, Linux
Target OSWindows, macOS, Linux, iOS, AndroidWindows, macOS, Linux, iOS, Android
Browser enginesNot researchedChromium
BrowsersNot researchedChrome
Device modesReal device, Emulator, SimulatorResponsive viewport
Creation and execution
Execution modelOS input, Real device, Emulator, Simulator, HybridBrowser DOM, Browser protocol, Computer vision, OS input, Http client
Authoring methodCode, AI-generated workflow, Autonomous exploration, Imported testsNatural language, AI-generated workflow, Recorder, Imported tests
Code authoring
Supported
Verified 2026-09-26[3]
Unsupported
Verified 2026-09-26[2]
Recorder
Supported
Verified 2026-09-26[4]
Supported
Verified 2026-09-26[3]
Natural language authoring
Supported
Verified 2026-09-26[5]
Supported
Verified 2026-09-26[3]
Test import
Supported
Verified 2026-09-26[4]
Supported
Can import Playwright suites.
Verified 2026-09-26[3]
Reusable steps
Supported
Verified 2026-09-26[4]
Supported
Markdown test files can be composed with @import.
Verified 2026-09-26[3]
Parameterized tests
Supported
Verified 2026-09-26[4]
Supported
Supports variables and secret masking.
Verified 2026-09-26[3]
Test data generation
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of test data generation, only seeding data via API steps.
Verified 2026-09-26[3]
Fit
AudienceDevelopers, QA engineers, SDETDevelopers, QA engineers, SDET
Company sizeSolo, Startup, SMB, Mid-market, EnterpriseSolo, Startup, SMB, Mid-market, Enterprise
Use casesRegression testing, Pull request validation, Test generationPull request validation, Regression testing, Release gating, Production monitoring, Cross browser testing, Test maintenance, Test generation
Validation
Visual regression
Supported
Verified 2026-09-26[8]
Unknown
No explicit mention of visual regression testing.
Verified 2026-09-26[3]
Semantic visual assertions
Supported
Verified 2026-09-26[4]
Unknown
No explicit mention of semantic visual assertions.
Verified 2026-09-26[3]
Accessibility checks
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of accessibility checks.
Verified 2026-09-26[3]
API assertions
Unknown
Verified 2026-09-26[1]
Supported
Supports API steps for seeding data and verifying responses.
Verified 2026-09-26[3]
Database assertions
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of database assertions.
Verified 2026-09-26[3]
Spelling and grammar checks
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of spelling or grammar checks.
Verified 2026-09-26[3]
Dark and light mode testing
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of dark/light mode testing.
Verified 2026-09-26[3]
Performance measurement
Supported
Verified 2026-09-26[8]
Unknown
No explicit mention of performance measurement.
Verified 2026-09-26[3]
Running
Local execution
Supported
Verified 2026-09-26[1]
Supported
Verified 2026-09-26[3]
Headless execution
Unknown
Verified 2026-09-26[1]
Supported
Verified 2026-09-26[5]
Headed execution
Supported
Verified 2026-09-26[1]
Supported
Verified 2026-09-26[5]
Parallel execution
Supported
Verified 2026-09-26[2]
Supported
Can split suites across CI machines with --shard.
Verified 2026-09-26[3]
Test sharding
Unknown
Verified 2026-09-26[1]
Supported
Verified 2026-09-26[3]
Auto-waiting
Supported
Verified 2026-09-26[4]
Unknown
No explicit mention of auto-waiting.
Verified 2026-09-26[3]
Automatic retries
Supported
Verified 2026-09-26[4]
Unknown
No explicit mention of automatic retries.
Verified 2026-09-26[3]
Network mocking
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of network mocking.
Verified 2026-09-26[3]
Secrets injection
Unknown
Verified 2026-09-26[1]
Supported
Verified 2026-09-26[3]
Private network access
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of private network access.
Verified 2026-09-26[3]
Diagnosis
Screenshots
Supported
Verified 2026-09-26[8]
Supported
Verified 2026-09-26[3]
Video recording
Unknown
Verified 2026-09-26[8]
Supported
Verified 2026-09-26[3]
Execution traces
Supported
Verified 2026-09-26[5]
Unknown
No explicit mention of execution traces.
Verified 2026-09-26[3]
Console logs
Supported
Verified 2026-09-26[5]
Supported
Plugin
Available when running on cloud providers like LambdaTest and BrowserStack.
Verified 2026-09-26[5]
Network logs
Supported
Verified 2026-09-26[5]
Supported
Plugin
Available when running on cloud providers like LambdaTest and BrowserStack.
Verified 2026-09-26[5]
Replay
Supported
Verified 2026-09-26[4]
Supported
Local and cloud dashboards provide per-run replay with video recordings.
Verified 2026-09-26[3]
Interactive debugging
Supported
Verified 2026-09-26[5]
Unknown
No explicit mention of interactive debugging.
Verified 2026-09-26[3]
Failure grouping
Unknown
Verified 2026-09-26[1]
Unknown
No explicit mention of failure grouping.
Verified 2026-09-26[3]
Debug artifactsScreenshot, Trace, Console log, Network logScreenshot, Video, Console log, Network log
Enterprise
SSO (SAML)
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of SSO/SAML.
Verified 2026-09-26[6]
SSO (OIDC)
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of OIDC SSO.
Verified 2026-09-26[6]
SCIM
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of SCIM.
Verified 2026-09-26[6]
RBAC
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of RBAC.
Verified 2026-09-26[6]
Audit logs
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of audit logs.
Verified 2026-09-26[6]
Secrets management
Unknown
Verified 2026-09-26[10]
Supported
Supports secret masking for credentials in logs and output.
Verified 2026-09-26[6]
Configurable retention
Unknown
Verified 2026-09-26[10]
Supported
SaaS
Optional paid data retention for cloud runs beyond 15 days.
Verified 2026-09-26[4]
Private runners
Unknown
Verified 2026-09-26[10]
Supported
Runs locally on your machine by default.
Verified 2026-09-26[2]
On-premises deployment
Supported
Verified 2026-09-26[1]
Supported
The CLI and local dashboard run entirely on your machine.
Verified 2026-09-26[2]
Data residency
Unknown
Verified 2026-09-26[10]
Unknown
No explicit mention of data residency options beyond local-first operation and cloud storage in Vercel Blob and Postgres.
Verified 2026-09-26[6]
Training opt-out
Unknown
Verified 2026-09-26[10]
Supported
Explicitly states "We do not sell your data and we do not train AI models on your runs."
Verified 2026-09-26[6]
Operations
Setup difficultylowlow
Maintenance approachManual code, Resilient locatorsReusable components, Resilient locators, Self-healing
Max concurrencynullUnknown
Reliability mechanismsAuto wait, RetryAuto wait, Retry, Isolation, Flaky test detection
InterfacesCLI, API, SDK, MCPCLI, Web UI, MCP
Security
CertificationsNot researchedNot researched
Data regionsNot researchedNot researched
Customer data used for trainingNot researchedNo
Support
Support channelsDocs, Github issuesDocs, Email
Support SLANot researchedNo
Integrations
IntegrationsBrowserStack, AWS Device Farm, LimrunBrowserbase, LambdaTest, BrowserStack, Ollama, OpenRouter, Anthropic, Playwright