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Replay.io logo — The time-travel debugger from the future. Record, replay, an...

Replay.io

The time-travel debugger from the future. Record, replay, and inspect your software with Replay.

Founded 2021 United States San Francisco, United States 13 employees Total: $18.70M Developer Tools

General Information

Company Name Replay.io
Founded Year 2021
Location United States San Francisco, United States
Employees 13
Industries Developer Tools
Business Model B2B, SaaS, API
Revenue Model Freemium, Subscription, Tiered Pricing
Social

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About Replay.io

Replay.io has positioned itself as an innovative force in the Developer Tools industry with its unique approach to software debugging. Founded in 2021 and headquartered in the United States, the company draws attention with its slogan: “The time-travel debugger from the future. Record, replay, and inspect your software with Replay.”

Its product distinguishes itself by allowing developers to jump to any point in execution, add console logs dynamically, and collaborate to resolve bugs efficiently. This comprehensive approach positions Replay.io as an essential tool for software development teams seeking efficiency and collaboration.

In the latest funding round on 01 December 2022, Replay.io secured a $13.00M Early VC investment, signaling strong investor confidence in its growth potential and market viability, although specific investor names remain undisclosed.

Business keywords: time-travel debugger, software debugging, software development tools, execution recording, code replay, bug fixing, team collaboration, console log insertion, contextual analysis, software inspection, developer productivity, debugging browser, execution tracking, software quality assurance, San Francisco startup

Services & Products

deterministic browser session recording
root cause identification
automated and detailed bug fixes
integration with coding agents like Claude Code, Codex, Copilot
runtime context provision

Target Customers

software engineers development teams coding agents users companies dealing with bug tracking and debugging CI/CD pipeline users

Funding Rounds & Investors (2)

View All
Funding Stage Amount Investors Lead Investors Date
Early VC $13.00M -
01 Dec 2022
Seed $5.70M 1
Andreessen Horowitz/ a16z
Andreessen Horowitz/ a16z
01 Sep 2021

Replay.io Alternatives & Competitors

View All Alternatives
Replay.io vs
Ellipsis (YC W24)
Ellipsis (YC W24) United States

Automatically review code and fix bugs with AI

Seed
1 employees
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Replay.io vs
Reviewpad (part of Snyk)
Reviewpad (part of Snyk)

Easy-to-use service to automate the GitHub workflow and accelerate the software delivery lifecycle.

Pre-Seed
1 employees
Developer Tools, SaaS
Replay.io vs
JetBrains
JetBrains The Netherlands

Make it happen. With Code.

3041 employees
Developer Tools, Enterprise Software
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FAQ About Replay.io

The time-travel debugger from the future. Record, replay, and inspect your software with Replay.
Replay.io was founded in 2021.
Replay.io is headquartered in San Francisco, United States.
Replay.io operates in Developer Tools. Its work centres on time-travel debugger, software debugging, software development tools and execution recording. Its customers include software engineers, development teams and coding agents users.
Replay.io has a B2B, SaaS and API business model. Its revenue comes from Freemium, Subscription and Tiered Pricing.
Replay.io has approximately 13 employees.
Replay.io has completed 2 funding rounds, raising a total of $18.70M.
Replay.io offers: deterministic browser session recording, root cause identification, automated and detailed bug fixes, integration with coding agents like Claude Code, Codex, Copilot, runtime context provision.
Top alternatives and competitors to Replay.io include Ellipsis (YC W24), Reviewpad (part of Snyk), JetBrains, RevDeBug . These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Replay.io and Ellipsis (YC W24) are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Replay.io, https://bouncewatch.com/company/replayio, updated 29 April 2026. When citing, please name BounceWatch and link this page.

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