Replay
San Francisco, US · 1 known investors
Replay provides a software debugging and testing platform that records and replays the full runtime state of code, enabling both developers and AI coding agents to pinpoint failures and fix bugs without guessing. The platform serves developers, AI agents, and engineering teams building with code.
Founders & leadership
Investors · 1
Competitors · 4
by search overlapBrowserStack24 shared keywordsBrowserStack provides a cloud-based software testing platform for scaling test automation across 3,500+ browser-device combinations on a real device cloud, aimed at development and QA teams. Its offerings cover cross-browser and browser automation testing, WCAG accessibility compliance testing, AI-driven test management, and visual testing, with integrations for major frameworks and CI/CD pipelines.
OpenReplay14 shared keywordsOpenReplay is a session replay and product analytics platform that enables product teams to record user interactions with web applications, identify friction points, and troubleshoot issues. The product serves software development and product teams across various industries.
Autify14 shared keywordsAutify builds no-code, AI-based test automation technology for software development teams. The company operates in the software testing and developer tools space, with offices in San Francisco and Tokyo.
TestMu AI12 shared keywordsTestMu AI (formerly LambdaTest) is an AI-agentic quality engineering cloud that helps engineering teams automate end-to-end testing across web, mobile, and AI applications. Its products include autonomous test agents (Kane AI), agent testing for chatbots and voice assistants, AI visual testing, a real device cloud, and the HyperExecute test orchestration platform.
Companies competing with Replay for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Replay do?
- Replay provides a software debugging and testing platform that records and replays the full runtime state of code, enabling both developers and AI coding agents to pinpoint failures and fix bugs without guessing. The platform serves developers, AI agents, and engineering teams building with code.
- Who founded Replay?
- Replay was founded by Brian Hackett, Jason Laster.
- Who are Replay's investors?
- Replay's investors include Andreessen Horowitz.
- Where is Replay headquartered?
- Replay is headquartered in San Francisco, US.






