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Sauce Labs vs Wallaby.js: What are the differences?

Developers describe Sauce Labs as "Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup". Cloud-based automated testing platform enables developers and QEs to perform functional, JavaScript unit, and manual tests with Selenium or Appium on web and mobile apps. Videos and screenshots for easy debugging. Secure and CI-ready. On the other hand, Wallaby.js is detailed as "Intelligent test runner for JavaScript with real-time code coverage and deep editor integration". It is an intelligent test runner for JavaScript that continuously runs your tests. It reports code coverage and other results directly to your code editor immediately as you change your code. Wallaby.js uses various tricks to run your tests as fast as possible, such as dependency analysis to only execute tests affected by your code changes and parallel test execution. It provides a huge productivity boost whether you are doing TDD/BDD or using any other approach.

Sauce Labs and Wallaby.js can be primarily classified as "Browser Testing" tools.

Lyft, Coursera, and Yelp are some of the popular companies that use Sauce Labs, whereas Wallaby.js is used by Covve, Shelf, and Wuilt. Sauce Labs has a broader approval, being mentioned in 84 company stacks & 130 developers stacks; compared to Wallaby.js, which is listed in 3 company stacks and 3 developer stacks.

Advice on Sauce Labs and Wallaby.js

I am looking to purchase one of these tools for Mobile testing for my team. It should support Native, hybrid, and responsive app testing. It should also feature debugging, parallel execution, automation testing/easy integration with automation testing tools like Selenium, and the capability to provide availability of devices specifically for us to use at any time with good speed of performing all these activities.

I have already used Perfecto mobile, and Sauce Labs in my other projects before. I want to know how different or better is AWS Device farm in usage and how advantageous it would be for us to use it over other mentioned tools

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Replies (3)
Aaron Evans
Testing Strategist at One Shore · | 3 upvotes · 7.3K views

A SaaS offering like Sauce Labs (or BrowserStack or LambdaTest, etc) will provide a remote Selenium/Appium Grid including the ability to run test automation in parallel (up to the amount based your subscription level) an a wide array of browsers and mobile devices.

These tools can be expensive, but if you can afford them, the expertise and effort of maintaining the grid, browser updates, etc. is worth it.

AWS Device Farm can be significantly cheaper, but is much more work to setup and run. It will not give you as many devices, or the reporting and screen/video capture you get with the the services. And there is no support for AWS Device Farm, and very poor documentation. I have used it, but do not recommend it. Running your own grid and physical device lab is better, but I'd stick with a service like Sauce Labs or Perfecto which will save you time and give you better services despite the higher price tag.

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Stability - Just works. Availability - More than 15 datacenters. Enterprise features like SSO, local testing and SOC2/GDPR compliant.

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Jaymie Falconi
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BitBar's Dedicated Devices would be a great option for you. It allows you to dedicate (reserve) devices for your use only which also having access to all of the devices in the shared cloud. BitBar has the features and integrations that you are looking for as well.

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Pros of Sauce Labs
Pros of Wallaby.js
  • 60
    Selenium-compatible
  • 46
    Webdriver compatible
  • 35
    Video recordings of every test
  • 31
    Qa
  • 29
    Mobile support
  • 26
    Any programming language
  • 23
    Developer tools
  • 21
    Test local and firewalled servers
  • 20
    Jenkins integration
  • 18
    Pristine VMs
  • 17
    CI Compatible
  • 11
    Appium support
  • 9
    Parallel testing
  • 8
    Rapid environment preparation
  • 8
    Mobile device support
  • 7
    Easy testing on almost any device
  • 7
    Allows me to Focus more test automation rather than IT
  • 6
    Secure testing and easy setup
  • 5
    Easy setup with CI and fast automated tests
  • 5
    Quick support response
  • 4
    Fast and reliable to host the automated tests
  • 4
    Easy to setup and understand,
  • 3
    Easy setup and integration with Travis Ci
  • 3
    Maintained browser matrix
  • 3
    Easy onboarding, do not need to manager VMs/OS/Browsers
  • 2
    Efficient tool to verify product quality
  • 2
    Teamcity Integration and mobile testing win
  • 2
    Hany for platform testing
  • 2
    Great documentation
  • 2
    Generous free trial
  • 2
    Easy. Straightforward. Scalable
  • 2
    Great way to integrate test suite on cloud
  • 2
    Simplicity of Sauce-connect
  • 1
    Very Good, Quick, flexible Infrastructure Support
  • 1
    It's great for my QA work
  • 1
    Awesome tech support
  • 1
    Having this available for CI servers is fantastic
  • 1
    Amazing service to do cloud cross browser testing
  • 1
    Depth of integrations
  • 1
    Because of its cloud based support for appium
  • 1
    Easy setup, Works great with selenium.
  • 1
    QE support
  • 1
    Manuals are not very well versed for beginners
  • 1
    Secure testing
  • 1
    Cheaper than browserstack
  • 1
    Stable
  • 0
    Simple to set up and integrate so many browser configs
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    Cons of Sauce Labs
    Cons of Wallaby.js
    • 2
      Relatively slow
    • 2
      Expensive
      Be the first to leave a con

      Sign up to add or upvote consMake informed product decisions

      What is Sauce Labs?

      Cloud-based automated testing platform enables developers and QEs to perform functional, JavaScript unit, and manual tests with Selenium or Appium on web and mobile apps. Videos and screenshots for easy debugging. Secure and CI-ready.

      What is Wallaby.js?

      It is an intelligent test runner for JavaScript that continuously runs your tests. It reports code coverage and other results directly to your code editor immediately as you change your code.

      Need advice about which tool to choose?Ask the StackShare community!

      What companies use Sauce Labs?
      What companies use Wallaby.js?
      See which teams inside your own company are using Sauce Labs or Wallaby.js.
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      Sign up to get full access to all the companiesMake informed product decisions

      What tools integrate with Sauce Labs?
      What tools integrate with Wallaby.js?

      Sign up to get full access to all the tool integrationsMake informed product decisions

      What are some alternatives to Sauce Labs and Wallaby.js?
      TestingBot
      TestingBot provides automated and Manual cross browser testing in the cloud. Make sure your website looks ok in all browsers.
      BrowserStack
      BrowserStack is the leading test platform built for developers & QAs to expand test coverage, scale & optimize testing with cross-browser, real device cloud, accessibility, visual testing, test management, and test observability.
      CrossBrowserTesting
      It's implemented to ensure a website's functionality and design and includes testing a range of devices and operating systems being used in the market and customer base.
      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. Boring web-based administration tasks can (and should!) also be automated as well.
      Kobiton
      It enables developers and testers to perform automated and manual testing of mobile apps and websites on real devices. Modern DevOps and Quality environments require apps to be tested on hundreds of device/OS/browser combinations. Managing an in-house device-lab is expensive, resource intensive, restrictive and very manual. Kobiton allows for instant provisioning of real devices for testing with automated or manual scripts, and also allows current on-premise devices to be plugged in to form a holistic testing cloud.
      See all alternatives