QA Wolf vs Stably: Testing Tool Comparison

QA Wolf and Stably side by side: verified capabilities, integrations, pricing, and limitations, each claim cited to an official source.

Unknown means no documentation was found; it is not the same as unsupported.

Field	QA Wolf	Stably
Identity
Category	Testing	Testing
Vendor	QA Wolf	Stably
Product status	active	active
Summary	QA Wolf is an AI-powered testing platform and managed service that provides end-to-end test automation, coverage mapping, and parallel execution infrastructure for web and mobile applications.	Stably is an AI-native testing platform that provides an agentic IDE for parallel coding agents to get test coverage quickly.
Product kind	Testing platform, Managed testing service, AI testing agent	Testing platform, AI testing agent
AI
Uses AI	✓ Supported Uses AI for test generation, self-healing, exploration, and failure analysis. Verified 2026-09-26[9][10]	✓ Supported Test generation, Execution, Self-healing, Exploration, Failure analysis, Test data generation Verified 2026-09-26[1][2][6]
AI test generation	✓ Supported Verified 2026-09-26[9]	✓ Supported Supported via `stably create` CLI command and Web Editor. Verified 2026-09-26[8][9]
AI executes the app	✕ Unsupported Verified 2026-09-26[4]	✓ Supported Supported via AI Agent Execute. Verified 2026-09-26[11]
AI generates code only	✓ Supported Verified 2026-09-26[4]	✓ Supported Stably generates Playwright code. Verified 2026-09-26[1]
Autonomous exploration	✓ Supported Verified 2026-09-26[10]	✓ Supported Supported via `stably plan` and `stably create` commands. Verified 2026-09-26[12][8]
Vision-based interaction	? Unknown Verified 2026-09-26[4]	✓ Supported Supported via AI Assertions. Verified 2026-09-26[7]
Selector-free execution	✕ Unsupported Verified 2026-09-26[4]	✓ Supported Supported via AI Locator. Verified 2026-09-26[13]
Adapts to UI changes	✓ Supported Verified 2026-09-26[9]	✓ Supported Supported via AI Locator (autofix). Verified 2026-09-26[13]
Self-healing	✓ Supported Verified 2026-09-26[9]	✓ Supported Supported via AI Locator and `stably fix` command. Verified 2026-09-26[13][14]
AI failure analysis	✓ Supported Verified 2026-09-26[9]	✓ Supported Supported via `stably fix` and Test Reporter. Verified 2026-09-26[14][15]
What it tests
Testing types	End-to-end, Functional, Regression, Smoke, Visual, Accessibility, Performance	End-to-end, Functional, Regression, API, Visual
Targets	Web app, Native mobile, Electron app, Browser extension, Email, Notification	Web app
Native desktop testing	✓ Supported Verified 2026-09-26[3]	✕ Unsupported Verified 2026-09-26[2]
Native mobile testing	✓ Supported Verified 2026-09-26[4]	✕ Unsupported Verified 2026-09-26[2]
Browser extension testing	✓ Supported Verified 2026-09-26[3]	? Unknown Verified 2026-09-26[2]
Cross-browser testing	✓ Supported Verified 2026-09-26[2]	✓ Supported Verified 2026-09-26[2]
Cross-platform testing	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
Real device testing	✓ Supported Verified 2026-09-26[6]	? Unknown Verified 2026-09-26[2]
Multi-tab testing	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
iframe testing	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
Canvas testing	? Unknown Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
PDF validation	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
File upload testing	✓ Supported Verified 2026-09-26[3]	✓ Supported Verified 2026-09-26[2]
File download testing	? Unknown Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
OAuth testing	✓ Supported Verified 2026-09-26[3]	? Unknown Verified 2026-09-26[2]
Email testing	✓ Supported Verified 2026-09-26[3]	✓ Supported Verified 2026-09-26[2]
Notification testing	✓ Supported Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Video content validation	✓ Supported Verified 2026-09-26[3]	? Unknown Verified 2026-09-26[2]
Developer integrations
MCP server	✓ Supported Verified 2026-09-26[11]	? Unknown Verified 2026-09-26[3]
VS Code extension	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[3]
SDK	✓ Supported Verified 2026-09-26[12]	✓ Supported Official · TypeScript Verified 2026-09-26[3][6]
PR workflow
GitHub	✓ Supported Integration Verified 2026-09-26[14]	✓ Supported GitHub Action, Check runs, Commit statuses · Integration Verified 2026-09-26[5]
CI execution	✓ Supported Integration Verified 2026-09-26[13]	✓ Supported Verified 2026-09-26[5]
GitHub PR checks	✓ Supported Integration Verified 2026-09-26[15]	✓ Supported Integration Verified 2026-09-26[5]
PR-aware test selection	✓ Supported Verified 2026-09-26[16]	? Unknown Verified 2026-09-26[5]
Autonomous PR validation	✓ Supported Verified 2026-09-26[15]	✓ Supported Verified 2026-09-26[5]
PR comments	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[5]
Preview deployment testing	✓ Supported Verified 2026-09-26[14]	✓ Supported Verified 2026-09-26[5]
Merge gating	✓ Supported Integration Verified 2026-09-26[15]	? Unknown Verified 2026-09-26[5]
Scheduled execution	✓ Supported Verified 2026-09-26[17]	✓ Supported Verified 2026-09-26[5]
Pricing
Pricing	Free tier official pricing	Free official pricing
Pricing models	Usage-based, Custom	Free, Subscription, Usage-based, Per parallel session, Custom, Mixed
Free tier	Available	Available
Trial	Unknown	Unknown
Deployment
Deployment	SaaS	SaaS, Self-hosted
License	Proprietary	Proprietary
License identifiers	Not researched	Not researched
Compatibility
Languages	JavaScript, TypeScript, Natural language	JavaScript, TypeScript
Runner OS	Linux	Windows, macOS, Linux
Target OS	Windows, macOS, Linux, iOS, Android	Windows, macOS, Linux, iOS, Android
Browser engines	Chromium, Firefox, WebKit	Chromium, Firefox, WebKit
Browsers	Chrome, Firefox, Safari	Chrome, Edge, Firefox, Safari
Device modes	Real device, Emulator	Responsive viewport
Creation and execution
Execution model	Browser protocol, Real device, Emulator	Browser DOM, Browser protocol, Computer vision, OS input
Authoring method	Code, Natural language, AI-generated code, Autonomous exploration, Manual	Code, Recorder, Natural language, AI-generated code, AI-generated workflow, Imported tests
Code authoring	✓ Supported Verified 2026-09-26[4]	✓ Supported Stably is 100% Playwright-compatible, allowing engineers to edit selectors, assertions, and retries directly in Playwright code. Verified 2026-09-26[1][6]
Recorder	? Unknown Verified 2026-09-26[7]	✓ Supported Verified 2026-09-26[1][9]
Natural language authoring	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[1][9]
Test import	? Unknown Verified 2026-09-26[4]	✓ Supported Existing Playwright tests can be imported. Verified 2026-09-26[9]
Reusable steps	✓ Supported Verified 2026-09-26[8]	✓ Supported Implied by Playwright compatibility. Verified 2026-09-26[2]
Parameterized tests	? Unknown Verified 2026-09-26[4]	✓ Supported Implied by Playwright compatibility. Verified 2026-09-26[2]
Test data generation	? Unknown Verified 2026-09-26[4]	✓ Supported Supported via AI Extraction. Verified 2026-09-26[10]
Fit
Audience	QA engineers, SDET, Developers, Engineering managers, Product managers	Developers, QA engineers, SDET
Company size	Startup, SMB, Mid-market, Enterprise	Solo, Startup, SMB, Mid-market, Enterprise
Use cases	Not researched	Pull request validation, Regression testing, Release gating, Test maintenance, Test generation
Validation
Visual regression	✓ Supported Verified 2026-09-26[3]	✓ Supported Verified 2026-09-26[7]
Semantic visual assertions	✓ Supported Verified 2026-09-26[3]	✓ Supported Verified 2026-09-26[7]
Accessibility checks	✓ Supported Verified 2026-09-26[3]	? Unknown Verified 2026-09-26[7]
API assertions	? Unknown Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
Database assertions	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Spelling and grammar checks	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Dark and light mode testing	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Performance measurement	✓ Supported Verified 2026-09-26[3]	? Unknown Verified 2026-09-26[2]
Running
Local execution	✓ Supported Verified 2026-09-26[18]	✓ Supported Verified 2026-09-26[16]
Headless execution	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[16]
Headed execution	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[16]
Parallel execution	✓ Supported Verified 2026-09-26[2]	✓ Supported Verified 2026-09-26[16]
Test sharding	✓ Supported Verified 2026-09-26[2]	✓ Supported Verified 2026-09-26[16]
Auto-waiting	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
Automatic retries	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Network mocking	? Unknown Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[2]
Secrets injection	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[16]
Private network access	✓ Supported Integration Verified 2026-09-26[13]	? Unknown Verified 2026-09-26[16]
Diagnosis
Screenshots	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Video recording	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Execution traces	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Console logs	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Network logs	✓ Supported Verified 2026-09-26[6]	✓ Supported Verified 2026-09-26[2]
Replay	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Interactive debugging	? Unknown Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[9]
Failure grouping	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[2]
Debug artifacts	Screenshot, Video, Trace, Console log, Network log	Screenshot, Video, Trace, Console log, Network log
Enterprise
SSO (SAML)	✓ Supported Verified 2026-09-26[19]	✓ Supported Verified 2026-09-26[4]
SSO (OIDC)	? Unknown Verified 2026-09-26[19]	? Unknown Verified 2026-09-26[4]
SCIM	? Unknown Verified 2026-09-26[19]	? Unknown Verified 2026-09-26[4]
RBAC	✓ Supported Verified 2026-09-26[19]	? Unknown Verified 2026-09-26[4]
Audit logs	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[4]
Secrets management	✓ Supported Verified 2026-09-26[4]	✓ Supported Verified 2026-09-26[16]
Configurable retention	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[4]
Private runners	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[4]
On-premises deployment	✕ Unsupported Verified 2026-09-26[2]	✓ Supported Verified 2026-09-26[16]
Data residency	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[4]
Training opt-out	? Unknown Verified 2026-09-26[4]	? Unknown Verified 2026-09-26[4]
Operations
Setup difficulty	low	low
Maintenance approach	Ai regeneration, Managed service, Manual code, Reusable components	Reusable components, Resilient locators, Self-healing, Ai regeneration
Max concurrency	null	100
Reliability mechanisms	Retry, Isolation	Auto wait, Retry
Interfaces	CLI, Web UI, SDK, MCP	CLI, Web UI, API, SDK
Security
Certifications	SOC 2 Type II, HIPAA	Not researched
Data regions	Not researched	Not researched
Customer data used for training	Not researched	Unknown
Support
Support channels	Docs, Email	Docs, Chat, Email, Dedicated engineer
Support SLA	Not researched	Yes
Integrations
Integrations	GitHub	GitHub