Javelin by Lean Startup Machine - All-in-one platform for building products people want
Javelin helps you test startup ideas with potential customers and gives you data to guide your decisions. Record and transcribe customer interviews, test landing pages, and use pre-designed surveys to analyze the most important feedback.


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Provides a repertoire of tools for startups to validate their ideas and understand customers needs to make better decisions in the direction of the startup. Especially love the feature of auto-transcribing interviews and to gauge the likeliness of conversion. Highly recommend to all new startups to check it out! (Y)
Pros:A must have tool for any up and coming startups!
Cons:Haven't found any cons so far.
Was very helpful for my team where we had different backgrounds - gave us a very strong common platform to work based on
Pros:Helps a team structure the work and keep focused on measurable results.
Cons:All products and startups are different. The framework is a bit skewed towards B2C.
Amazing and must use tool for anyone who is trying to validate their business idea.
The tools helps you identify the right customer segment and their top problem by means of customer interview and landing pages.
Will save months of time if used appropriately.
Pros:Easy to set up, quick to test hypothesis, Hypothesis testing is FREE.
Cons:Interview templates and AdWords Integration is PAID. Should have had a Freemium model.
If you don't feel like reading tons of books about how to do startups, this is a great start. It keeps you focused.
Pros:It's super easy to use. Great tool to navigate the path for startups.
Cons:Nothing yet
I believe that most entrepreneurs can find this tool very useful anytime they want to test a new idea. If you’re willing to put in the work, Javelin will guide you through the lean process of validating your idea with the real costumers. In the world where everything is relative and most people are “thinking by feelings” it’s just so valuable to have a holistic and practical tool which guides your through the “reality check” quickly and efficiently. I’m using in for couple months and I love it! I definitely recommend you to sign up and test it ~ it’s for free.
Pros:Holistic practical tool for every serious entrepreneur who want to know quickly how much His/Her idea suck :)
Cons:I’m not aware of any major cons. Maybe tune up the mobile version little bit?
Love the focused flow and how it allows you to capture an experiment from start to finish.
Pros:Focused, Excellent User Interface, Lean and only has what you need - no extra fluff.
Cons:None yet