Software Alternatives, Accelerators & Startups

Unleash VS PreFlight

Compare Unleash VS PreFlight and see what are their differences

Unleash logo Unleash

Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.

PreFlight logo PreFlight

Preflight is an Automated Web Testing tool. Allows everyone to automate Web UI tests.
  • Unleash Landing page
    Landing page //
    2021-06-12

Why Unleash?

  • Highly flexible platform - extend or integrate through our extensive APIs
  • Run where you need. Self-hosted or SaaS
  • Extend to support any use case
  • Secure - user data never shared with our server
  • Resilient protocol

Why feature management?

  • Reduce risk when shipping new feature to production through Canary release
  • Enable the new release to a targeted set of users
  • Deploy A/B testing on your new feature
  • Controlled system degrade in case of issues within milliseconds
  • PreFlight Landing page
    Landing page //
    2023-09-22

Unleash

$ Details
freemium $80.0 / Monthly (Pro, "5 users")
Platforms
Linux JavaScript Java .Net Go Elixir Python Ruby
Release Date
2019 January

Unleash videos

Unleash getting started

PreFlight videos

Preflight Demo

More videos:

  • Review - Preflight Checklist for Maiden and P-47D Flight Review
  • Review - Slo-Fly Aerobatic Preflight Review

Category Popularity

0-100% (relative to Unleash and PreFlight)
Developer Tools
79 79%
21% 21
Feature Flags
100 100%
0% 0
Automated Testing
0 0%
100% 100
Release Management
100 100%
0% 0

User comments

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Reviews

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

Unleash Reviews

The 8 best free and open-source feature flag services
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it...
Source: posthog.com

PreFlight Reviews

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

Social recommendations and mentions

PreFlight might be a bit more popular than Unleash. We know about 5 links to it since March 2021 and only 4 links to Unleash. 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.

Unleash mentions (4)

  • KILLSWITCH
    So my first instinct is to setup some sorta feature-flag thing within a CMS so managers can flip the boolean, I'm exploring getunleash.io and GrowthBook.io and we already use Contentful.com within the app but they're saying they "really don't think we need to use any third party thing for a killswitch"... Source: 11 months ago
  • Need your opinion
    We are an Open Source Feature Flagging solution called Unleash, and we are looking to get some feedback from the community on a decision we are trying to make. We are considering offering our developers the option to either write technical content through a Community Content Program for us for a $200 fee, or to donate that amount to charity. Source: over 1 year ago
  • How we use analytics as a privacy focused OSS company
    TLDR: Privacy is really important for us at Unleash. Here you will find the full story on how we ended up with an analytics solution that does not collect personal data and has very short retention. Whenever we evaluate a new feature at Unleash, we always start with one question. How does this fit with our values? This question is powerful. It can quickly qualify or disqualify a feature from consideration, putting... - Source: dev.to / almost 2 years ago
  • Best A/B testing, experimentation platform for Mobile
    Have seen Unleash used: getunleash.io and people seemed happy with it. Source: almost 3 years ago

PreFlight mentions (5)

  • free-for.dev
    Preflight.com - No-code automated web testing. Record tests on your browser that are resilient to UI changes and run them on Windows machines. Integrate with your CI/CD. The free plan includes 50 test runs per month with video, HTML sessions and more. - Source: dev.to / over 1 year ago
  • Playwright: Automate Chromium, WebKit and Firefox
    We are also in the space. Manual testing is definitely time consuming. You can automate your manual testing with https://preflight.com Would love to help any of your testing needs. - Source: Hacker News / over 2 years ago
  • Playwright: Automate Chromium, WebKit and Firefox
    Https://preflight.com We have done all the ground work. Like:. - Source: Hacker News / over 2 years ago
  • I went from idea to MVP in 5 hours
    Wow amazing! Definetely no-code tools are on the rise because of this! Amazing. We also build no-code testing tool to help people get testing in place in minutes vs months of selenium or cypress. Check it out: https://preflight.com. - Source: Hacker News / over 2 years ago
  • Show HN: PreFlight (YC W19) – Web apps testing for everyone to save time
    Hi HN! It’s Mustafa. I’m the founder of Preflight (https://preflight.com). Preflight lets anyone test their product by simply recording actions on your browser with a chrome extension to save everyone's time in the company. At ShipBob, we had a lot of UI issues when we scaled from 5 engineers to 30+ engineers. With the new engineers, we released bugs. Because even though we tested our parts the other parts of the... - Source: Hacker News / about 3 years ago

What are some alternatives?

When comparing Unleash and PreFlight, you can also consider the following products

ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.

GoodUI Evidence - People's A/B test results that show which UI ideas work best

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

Reflect.run - Reflect is automated web testing that anyone can use. It requires no code, and no installation. Record once, run anytime.

Flagsmith - Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

BugBug.io - BugBug makes test automation ultra-simple. It allows you to automate testing without coding, ensuring the quality of your web app or website without repetitive manual testing or writing a line of code.