Top 10 Startups using Kotlin

While Kotlin was launched fairly recently in 2016, it has taken over the Android development scene by storm. Google announced support for Kotlin in 2017, making it the preferred language for Android app development.

Even developers seem to love coding in Kotlin due to robust core capabilities, a simpler syntax, null point exceptions, and interoperability with Java.

As a result, Kotlin has become highly popular in the startup culture as organizations build highly functional and reliable applications to enhance the customer experience. Moreover, the Kotlin Multiplatform Mobile (KMM) allows them to reuse the code for multiple platforms, further improving the development speed.

Continue reading as we take a look at some of the top startups that used Kotlin under their tech stack.

What is Kotlin?

Kotlin is a programming language developed by JetBrains. The first release happened in 2011, and Kotlin has the following characteristics:

  • Cross Platform
  • General Purpose
  • Statically Type

What are the benefits of Kotlin?

  • Open-Source
  • Fully compatible with Java
  • It is easy to read and write

Top 10 Startups Using Kotlin

According to Stackshare, here are ten of the best startups using Kotlin on their tech stack.


Alongside Coursera, Udemy is among the most popular online course providers, offering over 183,000 courses in over 75 languages. Launched in 2010, it now has more than 46 million learners and almost 10,000 enterprise customers taking curated business and technical courses across multiple disciplines.

Instructors can add various types of resources, including online videos and practise activities that can be accessed by the learners at their own pace, as there are no deadlines to begin or complete a course.


Slack is one of the most widely used team collaboration platforms helping the members work more inclusively and flexibly. In Slack, you work with people in and outside your organization in dedicated channels so that everyone gets access to the same information and work as a team.

Moreover, since it supports asynchronous work, Slack is exceptional for global communication as people can access the same shared and searchable information in their own time.


Launched in 2015, Robinhood is one of the pioneers of commission-free investing. It allows users to trade stocks, ETFs, and recently cryptocurrencies, along with multiple tools to improve their financial literacy and trading expertise.

A streamlined yet intuitive interface makes it easier to use for beginners to learn the complex trading strategies at their own pace and invest in their preferred resources.


Bitpanda is a European trading platform similar to Robinhood that primarily deals with trading cryptocurrencies. Founded in 2014, it has become one of the most popular options in Europe for purchasing Bitcoins securely.

Despite being a robust platform, it features a very simple and beginner-friendly user interface. Using the platform, registered users can trade cryptocurrency, securities, commodities, ETFs, and precious metals. 


The online dating and geosocial networking platform Tinder uses Kotlin as part of the tech stack.

Registered users on Tinder can set up a profile with a few images, a short bio, and their interests. Other users can then anonymously swipe left or right to dislike or like a profile respectively; mutual likes become a match and the users can start a conversation right within the app.

The app garners over 75 million active monthly users and is available in over 190 countries around the world.


Trivago is a widely popular tech company that specializes in accommodation and meta search fields for the tourism industry.

On Trivago, users can search and compare various hotels, rentals, and other types of accommodation for offers provided to them by different online booking sites. It has more than 150 million hotel reviews in 190+ countries, powering over 120 million travelers monthly.


The online banking giant N26 adopted Kotlin as one of their development languages.

It is a mobile neo-banking service that offers a plethora of financial services using their mobile apps, allowing users to manage their bank accounts and track expenses on the go.

New users can open a free account right from the mobile and connect the virtual Mastercard to Apple pay or Google Pay to start spending before the physical card arrives.


Plaid is a financial service technology platform that allows businesses to build fintech solutions.

The API along with other financial technology applications allows organizations and consumers to connect their bank account, check the balance, and make payments easily.

Plaid’s data transfer network supports over 11,000 financial institutions in North America and Europe. The information security practices using AES 256 and TLS are designed to meet the international security standards.


Zendesk is a cloud-based software-as-a-service platform that primarily deals with customer communications through CRM software.

Launched in 2007, Zendesk aims to help the customer support and sales teams engage with their customers with the help of their product suite. Essentially, you can easily track, prioritize, and solve customer tickets by creating a seamless and productive workflow.

You can ensure that your consumers get the same excellent experience irrespective of the communication channel that they choose.


Founded in 2012, Peloton is a fitness equipment and media company that primarily sells internet-connected gym equipment.

The stationary bikes and treadmills are equipped with a large touchscreen that the user can view thousands of fitness classes online using an internet connection and the Peloton All-access membership.

Moreover, Peloton also produces workout videos that the users can stream live on the Peloton products or smartphone applications. In addition, Peloton also offers bike accessories and fitness apparel like shoes, heart rate monitors, weights, headphones, etc.


Several factors, like a simpler syntax, unique native app development capabilities, interoperability, etc., were influential in Kotlin’s popularity in the app development market. It offers several improvements to server-side development, allowing developers to build usable templates using fewer resources.

If you are looking to use Kotlin to develop your next project and need expert guidance on the matter, a leading app hosting company can get you the help you require. Get in touch with them to know more about Kotlin app development and how you can use it efficiently for your next project.

Please read the article Startup Tools and Technologies to know more about this topic.


What is Kotlin?

Kotlin is a programming language developed by JetBrains.

What are the benefits of Kotlin?

– Open-Source
– Fully compatible with Java
– It is easy to read and write

What are ten of the best startups using Kotlin?

– Udemy
– Slack
– Robinhood
– Bitpanda
– Tinder
– Trivago
– N26
– Plaid
– Peloton
– Zendesk

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