Kotlin has helped development teams increase productivity, improve app quality, and increase developer satisfaction. Read more to see why over 95% of the top 1000 Android apps use Kotlin.

Updated September 27, 2021

In order to launch new features on their Android app, Headspace spent 8 months refactoring their architecture and rewriting in Kotlin. Learn how this reboot helped their business grow.

Updated February 9, 2021

Learn about two African developers and their journeys of learning Android development, and launching their careers. Akintunde Olanrewaju lives in Nigeria and is an engineering manager working on the Kudi app. David Odari is from Kenya and is living

Updated January 6, 2021

SmartNews helps millions of people discover their world everyday by sharing timely news from a diverse set of news sources.

Updated December 9, 2020

Just like friends who always meet up for karaoke, WeSing wants to gather more people together through singing, and enable everyone to sing their favorite songs anytime and anywhere. WeSing needs to be flexibly adjusted and promptly updated in order

Updated November 21, 2020

After entering the mobile internet era, Dianping helps users conveniently look up services in any city on their mobile phones, while gaining an understanding of reviews from other real users. With various ranking lists and news feeds based on user's

Updated November 20, 2020

NetEase Cloud Music achieves global success with Kotlin and new technologies. They will continue to closely cooperate with Google to optimize the journey to enable every user to find amazing music, and make friends through music. Watch more Android

Testimonials

Android Tech Lead
“During an internal survey, 50% of developers mentioned that they’d provide smaller estimates [to complete a feature] if the module was written in Kotlin”
74% of the app is written in Kotlin. Since moving all new feature development to Kotlin, they’ve had a 50% reduction in crashes.
Software Engineer
“Kotlin and languages like it help us offload things that we’re not that good at … Creative and critical thinking tasks are now where we get to focus more.”
Senior Software Engineer
“Having less code is good for reducing errors and lowering maintenance costs. Therefore, we care a lot that Kotlin promises to allow us to write more succinct code and reduce boilerplate.”
Software Engineer
“Using Kotlin at Expedia has helped us write more succinct and easier-to-read code. It’s also helped make our developers a lot happier.”
Senior Software Engineer
“Overall we’re very happy that we migrated to Kotlin when we did, and we're excited to see its usage continue to grow both within our company and throughout the software industry!”

More apps using Kotlin

Over 95% of the top 1000 Android apps contain Kotlin code.