Software Alternatives, Accelerators & Startups

UAParser.js VS BrowserStack

Compare UAParser.js VS BrowserStack and see what are their differences

UAParser.js logo UAParser.js

Get to Know Your Visitors Better - UAParser.js is The Essential Web Development Tool for User-Agent Detection

BrowserStack logo BrowserStack

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
  • UAParser.js
    Image date //
    2024-10-24

UAParser.js simplifies user-agent detection by providing a structured approach, offering a clean alternative to the unstructured mess of real-world user-agent strings.

  • BrowserStack Landing page
    Landing page //
    2025-05-06

BrowserStack is a leading software testing platform powering over two million tests every day across 15 global data centers. With BrowserStack, developers can comprehensively test their websites and mobile applications across 2,000+ real mobile devices and browsers in a single cloud platformโ€”and at scale. BrowserStack helps Tesco, Shell, NVIDIA, Discovery, Wells Fargo, and over 50,000 customers deliver quality software at speed.

UAParser.js

$ Details
freemium $12.0 / One-off (PRO)
Platforms
-
Release Date
-
Startup details
Country
Indonesia
Founder(s)
Faisal Salman
Employees
1 - 9

BrowserStack

$ Details
freemium $29.0 / Monthly (Starts at single user plans and billed annually)
Platforms
Mac OSX Android Windows Browser Web iOS Google Chrome Firefox Safari REST API Internet Explorer
Release Date
2012 September
Startup details
Country
Ireland
State
Dublin
City
Dublin
Founder(s)
Nakul Aggarwal
Employees
500 - 999

UAParser.js features and specs

No features have been listed yet.

BrowserStack features and specs

  • Cloud-based
  • Browser Extensions
  • SaaS

Analysis of UAParser.js

Overall verdict

  • UAParser.js is a solid, widely-used JavaScript library for parsing user-agent strings to detect browser, engine, OS, device, and CPU information. It's good for general-purpose UA parsing needs, though users should stay aware of its history with a supply-chain security incident in 2021 and keep dependencies updated.

Why this product is good

  • Lightweight and fast with no external dependencies, making it easy to integrate into web and Node.js projects
  • Extensive detection coverage for browsers, rendering engines, operating systems, device types, and CPU architectures
  • Actively maintained with regular updates to keep pace with new browsers and devices
  • Simple, well-documented API that's easy to use for both beginners and experienced developers
  • Wide adoption in the JavaScript ecosystem with strong community support and many integrations
  • Works in both browser and server-side (Node.js) environments
  • Open-source with a permissive license, allowing flexible use in commercial and personal projects

Recommended for

  • Web developers needing to detect browser/device/OS info for analytics or feature detection
  • Teams building responsive or adaptive web experiences based on client device data
  • Backend developers parsing user-agent headers server-side for logging or analytics purposes
  • Projects requiring lightweight, dependency-free UA parsing without heavy overhead
  • Applications needing cross-platform device and browser compatibility checks
  • Developers who want a mature, community-vetted solution rather than building custom UA parsing logic

Analysis of BrowserStack

Overall verdict

  • Overall, BrowserStack is considered a highly effective and reliable tool in the web development and testing community. Its extensive features, real-device testing capabilities, and seamless integration make it a good choice for those needing comprehensive cross-browser testing solutions.

Why this product is good

  • BrowserStack is a robust and widely used web testing platform that provides developers with the ability to test their websites and applications across a vast array of browsers and devices. It offers real device cloud testing, ensuring that users can assess how their applications perform on actual devices rather than simulations. This makes it an invaluable tool for identifying and resolving cross-browser compatibility issues. Additionally, it integrates with popular CI/CD tools, enhancing the workflow efficiency for development teams.

Recommended for

  • Web developers
  • QA engineers
  • Agile development teams
  • Companies needing cross-browser testing across multiple devices
  • Teams looking for CI/CD integration in their testing process

UAParser.js videos

UAParser.js Simple Demo

More videos:

  • Review - UAParser.js Malware in NPM, Squirrel Sandbox Escape, Securing CI/CD, & AppSec Videos - ASW 171

BrowserStack videos

BrowserStack Overview

More videos:

  • Tutorial - SpeedLab by BrowserStack
  • Review - SharePoint Team Finds BrowserStack Invaluable

Category Popularity

0-100% (relative to UAParser.js and BrowserStack)
Developer Tools
100 100%
0% 0
Website Testing
0 0%
100% 100
User Analytics
100 100%
0% 0
Browser Testing
3 3%
97% 97

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare UAParser.js and BrowserStack

UAParser.js Reviews

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BrowserStack Reviews

Other alternatives to Tuskr
BrowserStack lets you test your website or app on actual phones, tablets, and browsers so you see exactly how it will work in real life. It also includes some basic test management features.
Source: testpad.com
Top Selenium Alternatives
BrowserStack is another leading cloud-based testing platform that offers access to a vast array of browsers and real mobile devices. It's designed to simplify the testing process by allowing tests to run in parallel across different environments, significantly reducing the time needed for comprehensive testing. BrowserStack features include live, interactive testing,...
Source: bugbug.io
Why choose HeadSpin over BrowserStack?
Companies like HeadSpin and BrowserStack play a significant role in fulfilling the demand for testing on real devices and cross-browser devices. Their ability to test on real devices online and monitor digital experiences adds to the value proposition of organizations implementing testing solutions. However, every company has different requirements and here are a few reasons...
Source: www.headspin.io

Social recommendations and mentions

Based on our record, BrowserStack should be more popular than UAParser.js. It has been mentiond 8 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

UAParser.js mentions (2)

  • Ask HN: Who wants to be hired? (March 2025)
    # My latest active project right now is https://uaparser.dev/. - Source: Hacker News / over 1 year ago
  • ua-parser-js License Change and What It Means for Developers
    Ua-parser-js, one of the most used libraries on npm with over 54 million monthly downloads, is undergoing a major licensing change in the JavaScript ecosystem. The fact that this development has come to pass speaks to the continued struggle for open-source sustainability and raises questions about the future of other popular JavaScript libraries. - Source: dev.to / over 1 year ago

BrowserStack mentions (8)

View more

What are some alternatives?

When comparing UAParser.js and BrowserStack, you can also consider the following products

What Is My Browser - Check your web browsing set up to make sure your software is up to date.

TestMu AI (Formerly LambdaTest) - Worldโ€™s first full-stack Agentic AI Quality Engineering platform.

ScientiaMobile - ScientiaMobile provides device detection solutions that identify every device's capabilities.

Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.

Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.

CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.