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Maestro

Freemium
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Open-source end-to-end UI testing for iOS, Android, and web with human-readable YAML and AI agents

Website:https://maestro.dev/
Added on:Jul 13, 2026
Monthly Visitors:
169.0K
Social & Email:
UI TestingE2E TestingMobile TestingiOSAndroidWeb
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Maestro
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Tool Information

What is Maestro?

Maestro is an open-source end-to-end UI testing framework for iOS, Android, and web apps. It lets teams write reliable, deterministic tests as simple human-readable YAML files, supports AI-native agent workflows for inspecting screens and generating suites, and provides a CLI, desktop studio, easy CI integration, and optional cloud scaling.

Core Features

  • Human-readable YAML E2E tests

    Define deterministic, auditable UI tests as simple YAML files with commands for launch, tap, input, assert, scroll, and more.

  • AI-native and agentic toolkit

    Supports human+AI development workflows and powers agents to inspect screens, generate test suites, and close the agentic testing loop.

  • Open-source core

    Extensible open-source project with no vendor lock-in, available for local use and contribution via GitHub.

  • CLI and Maestro Studio

    Powerful command-line interface and desktop applications for writing, managing, and running tests.

  • Maestro Cloud

    Cloud service for scaling test execution beyond free local CLI or Studio runs.

  • Cross-platform automation

    Automate UI tests across iOS, Android, and web with simple setup.

  • Easy CI integrations

    Straightforward integration into continuous integration pipelines.

  • MCP support

    MCP app installation and tooling to enable agent inspection of emulator hierarchies and test workflows.

Use Cases

  • #1

    Mobile end-to-end UI testing

    Write and run reliable UI tests covering app launch, navigation, inputs, assertions, persistence, accessibility, and onboarding flows on iOS and Android.

  • #2

    Web UI testing

    Automate end-to-end UI tests for web applications alongside mobile targets.

  • #3

    AI-assisted test generation

    Use AI agents to analyze live screens and existing tests then produce comprehensive, focused Maestro YAML test suites.

  • #4

    CI and scaled test execution

    Integrate tests into CI and scale runs using Maestro Cloud after free local CLI or Studio usage.

Best for:Mobile app developersQA and test engineersTeams building iOS and Android applicationsWeb teams needing UI automationTeams using AI coding agents for development and testing

Pricing Plans

Run free on CLI or Maestro Studio; scale on Maestro Cloud. Core framework is open source.

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Frequently Asked Questions

What is Maestro?
Maestro is an open-source end-to-end UI testing framework for iOS, Android, and web that uses human-readable YAML tests, supports AI-native agents, and includes CLI, desktop studio, and optional cloud scaling.
Is Maestro free to use?
Yes. You can run free on the CLI or Maestro Studio. The core framework is open source. Scaling beyond local runs is available via Maestro Cloud.
Which platforms does Maestro support?
Maestro automates UI tests across iOS, Android, and web with simple setup.
How does Maestro work with AI agents?
Maestro provides an AI-native and agentic toolkit that lets agents inspect screens, generate test suites, and close the agentic testing loop as part of human+AI workflows.
Can I integrate Maestro into CI pipelines?
Yes. Maestro is designed for straightforward integration into continuous integration pipelines.
Where can I find the open-source code?
The core project is available on GitHub at https://github.com/mobile-dev-inc/maestro for local use and contribution.

Maestro Contact & Social Media

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Tool Information

Pricing ModelFreemium
CategoryDeveloper Tools
Tags
UI TestingE2E TestingMobile TestingiOSAndroidWeb
LanguageEnglish
Last UpdatedJul 16, 2026
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