flank ☆

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Description:
Massively parallel Android and iOS test runner for Firebase Test Lab

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: android ios testing firebase ci-cd parallel

Install: brew install flank

About:
Flank is a cloud-based test execution tool that orchestrates massively parallel testing for Android and iOS applications on Firebase Test Lab. It significantly reduces test suite execution time by distributing tests across hundreds of devices simultaneously. The tool integrates seamlessly with CI/CD pipelines and offers cost optimization features by allowing sharding and smart test scheduling.

Key Features:

Massively parallel test execution on Firebase Test Lab
Smart test sharding and scheduling to reduce costs
Support for both Android (Instrumentation, Robo) and iOS (XCTest, Game Loop) tests
Detailed HTML and JUnit XML reporting
Integration with CI/CD workflows

Use Cases:

Running large UI test suites (Espresso, XCTest) in minutes instead of hours
Continuous Integration pipelines requiring fast feedback on mobile app tests
Cost-effective testing by optimizing device usage and test distribution

Alternatives:

gcloud firebase test – Native Google CLI for Test Lab; Flank provides superior parallelization, sharding, and cost management features.
Sauce Labs / BrowserStack – Cloud device farms with proprietary infrastructure; Flank specifically targets Firebase Test Lab integration.

Version History

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