# TestApp.io > Mobile app distribution and QA platform for iOS and Android development teams. Upload builds, share with testers, manage tasks, and ship apps faster. ## About TestApp.io TestApp.io is the command center for mobile development teams. It replaces fragmented tools with a single platform for distributing iOS (IPA) and Android (APK) builds to testers, managing QA tasks with 2-way Jira and Linear sync, tracking release blockers, and automating CI/CD pipelines. Teams use TestApp.io to go from build to install in seconds, without app store reviews or tester limits. ## Key Features - iOS and Android app distribution (IPA and APK) with instant install links - Built-in task management with Kanban board and 2-way Jira/Linear sync - Blocker tracking to gate releases on critical issues - Version lifecycle management from development through release - Release checklists (Playbooks) for App Store and Play Store submissions - AI-powered QA task generation from release notes - CLI tool (ta-cli) for CI/CD pipeline automation - Integrations with GitHub Actions, Bitrise, CircleCI, Fastlane, Jenkins, and more - Slack and Microsoft Teams notifications - External storage support (Amazon S3, Google Cloud Storage, Backblaze B2) ## Pages - [Home](https://testapp.io/): Product overview and sign-up - [App Distribution](https://testapp.io/distribution/): Feature details for iOS and Android build distribution - [Pricing](https://testapp.io/pricing/): Free, Starter ($11/mo), and Pro ($45.50/mo) plans - [Get UDID](https://testapp.io/get-udid/): Free tool to find iPhone or iPad UDID instantly - [Contact Us](https://testapp.io/contact-us/): Get in touch with the team ## Alternatives Comparisons - [TestFlight Alternative](https://testapp.io/alternatives/testflight/): Compare TestApp.io vs TestFlight for iOS and Android distribution - [App Center Alternative](https://testapp.io/alternatives/appcenter/): Migrate from the retired App Center to TestApp.io - [Firebase App Distribution Alternative](https://testapp.io/alternatives/firebase/): Replace Firebase App Distribution with a dedicated platform - [Diawi Alternative](https://testapp.io/alternatives/diawi/): Move beyond temporary links to permanent build management - [Google Play Internal Testing Alternative](https://testapp.io/alternatives/googleplay/): Skip Play Console delays for Android testing ## Related Resources - [Help Center](https://help.testapp.io/): Documentation and step-by-step guides - [Blog](https://blog.testapp.io/): Tutorials, comparisons, and developer content - [Portal](https://portal.testapp.io/): Sign in or sign up - [CLI Tool](https://github.com/testappio/cli): Open source CLI for CI/CD automation - [GitHub](https://github.com/testappio): Open source tools and integrations