![Runtastic grew paid Android subscriptions by 44% through an A/B Test.](https://apptimize.com/wp-content/uploads/2017/09/Resources_Runtastic-CaseStudy.jpg)
HOW RUNTASTIC GREW PAID SUBSCRIPTION
In-app membership upgrades for freemium users are a core part of Runtastic’s monetization strategy. Learn how Runtastic increased paid subscriptions for Android users reaching their in-app paywall by 44% with a simple A/B test.
![](https://apptimize.com/wp-content/uploads/2017/11/nir-eyal-image-2.jpeg)
TWO EXAMPLES OF APPS MADE HABIT-FORMING
In today’s world, mobile adoption is not enough– it is crucial to keep new users engaged with habit-forming regularity. Nir Eyal’s ‘Hooked Model’ focuses on just that.
![Whitepaper - What you need to know when deciding to build or buy your experimentation software](https://apptimize.com/wp-content/uploads/2018/08/Build_or_Buy_Your_Experimentation_Software_tn.jpg)
SHOULD YOU BUILD OR SHOULD YOU BUY YOUR EXPERIMENTATION SOFTWARE
Here are the key considerations that you should keep in mind while answering this question.