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I am a product professional focusing on mobile app growth and revenue optimizations.‍ www.langmajer.cz

Paywall screen is the key and most important element in the subscription conversion funnel. On the paywall screen, you have the best opportunity to address all the fears, uncertainties and doubts which people have while thinking about subscribing to your app.

We’ve teamed up with Jakub Chour to put the…


Did you know that the human brain makes around 35 000 decisions every single day? Most of them are unconscious and automatic, and we don’t even know about them. The only way the human brain can process this crazy overload is by using many shortcuts, simplifications, and rules of thumb…


Illustrational intro image displaying people exploring a huge brain.

Did you know that the human brain makes around 35 000 decisions every single day? Most of them are unconscious and automatic, and we don’t even know about them. The only way the human brain can process this crazy overload is by using many shortcuts, simplifications, and rules of thumb…


Graph showing how the time needed for making a decision rapidly grow with the number of choices presented to the user.

Have you ever spent an excessive amount of time deciding which of the 30 different, nice-looking chocolate bars you want to buy? If your answer is yes, you’ve been a victim of the so-called Hick-Hyman’s law. In 1951, these two gentlemen — William Edmund Hick and Ray Hyman — discovered…


During the COVID-19 lockdown, our team discovered that we can easily work remotely. Soon, I came up with an idea of how to use this situation to my advantage — I decided to move my home-office to Lisbon for summer and then to Fuerteventura for autumn.

To exchange the lockdown…


Let’s face it — 99% of product ideas that compete for a place in your backlog are more or less rubbish. As product managers, we often have to find the 1% of good ideas and then choose only the best of them because of limited resources. …


Some time ago, I saw this beautiful inspirational image on Twitter that told inexperienced entrepreneurs and product managers how they should approach the development of their products. It had hundreds of retweets and likes yet there is something fundamentally wrong with it. …


In 2019, we were at the peak of prosperity. The global economy was defined by overproduction and overconsumption. It began to look like infinite growth could become a reality. I think we can all agree that our society and the systems that govern it weren’t healthy, even before COVID-19 arrived.


React Native has been around for already 5 years. This framework made it possible to create native Android and iOS applications using React and also started a war between native (Swift/Kotlin) and React Native developers.

For the business and product owners, it represents an interesting opportunity how to unify the…


With all the ideas and feedback coming from your customers, colleagues, and stakeholders it might be hard to calm your mind and focus on what’s really important for your customers. For every customer-centric organization, keeping customers satisfied is non-negotiable. But what features will make your product as right as rain…

Michal Langmajer

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