Software Alternatives, Accelerators & Startups

BrowserStack VS Zephyr

Compare BrowserStack VS Zephyr and see what are their differences

BrowserStack logo BrowserStack

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.

Zephyr logo Zephyr

Zephyr is a small real-time operating system for connected, resource-constrained devices supporting...
  • 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 platform—and at scale. BrowserStack helps Tesco, Shell, NVIDIA, Discovery, Wells Fargo, and over 50,000 customers deliver quality software at speed.

  • Zephyr Landing page
    Landing page //
    2023-05-03

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

Zephyr

Pricing URL
-
$ Details
Platforms
-
Release Date
-

BrowserStack features and specs

  • Cloud-based
  • Browser Extensions
  • SaaS

Zephyr features and specs

  • Scalability
    Zephyr is designed to be scalable and can support applications from small embedded devices to larger systems with resource constraints.
  • Modularity
    The kernel is highly modular, allowing developers to include only the components needed for their specific application, which helps in optimizing resource usage.
  • Support for Multiple Architectures
    Zephyr supports a wide range of hardware architectures, including x86, ARM, RISC-V, and others, making it versatile for different hardware platforms.
  • Real-time Capabilities
    Zephyr has built-in real-time operating system (RTOS) capabilities, which are crucial for time-sensitive applications and can meet stringent timing requirements.
  • Security Features
    Zephyr includes multiple layers of security, such as memory protection, kernel object permission, and stack overflow protection, to help secure embedded applications.
  • Community and Ecosystem
    Backed by the Linux Foundation, Zephyr has a strong community and ecosystem, which means robust support, extensive documentation, and continuous development.
  • Open Source
    Zephyr's open-source nature enables transparency, community contributions, and the ability for organizations to customize the OS to their specific needs.

Possible disadvantages of Zephyr

  • Complexity
    Due to its modular and scalable nature, Zephyr can be complex to set up and configure, especially for beginners who may find the learning curve steep.
  • Limited Middleware
    While Zephyr supports a variety of hardware, its middleware offerings may not be as extensive or mature as those provided by more established OSes like FreeRTOS.
  • Documentation Gaps
    Although the community is active, there are areas where documentation could be more comprehensive and detailed, which can hinder quick adoption and troubleshooting.
  • Resource Intensive
    Given its wide range of features and capabilities, Zephyr can sometimes be more resource-intensive compared to more minimalist RTOS options, which might be a concern for extremely resource-constrained environments.
  • Vendor Lock-in Risk
    While Zephyr aims to be vendor-neutral, there can be dependencies on certain hardware platforms or vendors, which might lead to a form of vendor lock-in.

BrowserStack videos

BrowserStack Overview

More videos:

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

Zephyr videos

Zephyr - Rework Review & Build

More videos:

  • Review - Warframe Reviews - Zephyr
  • Review - NIKI - Zephyr ALBUM REVIEW

Category Popularity

0-100% (relative to BrowserStack and Zephyr)
Website Testing
86 86%
14% 14
Software Testing
49 49%
51% 51
Browser Testing
100 100%
0% 0
QA
0 0%
100% 100

User comments

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Reviews

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

BrowserStack Reviews

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

Zephyr Reviews

We have no reviews of Zephyr yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Zephyr should be more popular than BrowserStack. It has been mentiond 11 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.

BrowserStack mentions (7)

View more

Zephyr mentions (11)

  • A Web based Broadcast Assistant
    Combining the Zephyr RTOS stack, running on an affordable nRF52840 Dongle with the power of modern web technologies turned out quite well and it has also allowed us to experiment with multiple subgroups, supported by the specs, but not yet by many devices in the market (at the time of writing at least - be sure to keep an eye out for that!). - Source: dev.to / 2 months ago
  • Auracast and multiple subgroups
    Also, it's really great to see that the RFcreations mini-moreph and blueSpy software was able to capture and render this slightly more advanced source and that it was possible to build using Zephyr RTOS and the nRF52840 Dongle. - Source: dev.to / 2 months ago
  • A simple Broadcast Audio Source
    The Zephyr RTOS contains some great Bluetooth LE Audio related samples. One of them is the Basic Audio Profile (BAP) Broadcast Source sample. - Source: dev.to / 2 months ago
  • Capturing the perfect (radio) wave
    I thought about what would be a good first capture, and remembered, I recently made a very simple Bluetooth Low Energy demo using Zephyr and Web, covered in an earlier post. - Source: dev.to / 6 months ago
  • It's 2023 why embedded development is so cumbersome?(rant)
    Check out Zephyr OS and Platform IO. Zephyr is part of the Linux foundation and has similarities to Linux with how it performs hardware abstraction (device tree). Platform IO integrates with other frameworks including mbed and Arduino. Source: over 1 year ago
View more

What are some alternatives?

When comparing BrowserStack and Zephyr, you can also consider the following products

LambdaTest - Perform Web Testing on 2000+ Browsers & OS

TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.

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

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

TestComplete - TestComplete Desktop, Web, and Mobile helps you create repeatable and accurate automated tests across multiple devices, platforms, and environments easily and quickly.

browserling - Live interactive cross-browser testing from your browser.