Top Kotlin Android Developers & App

Partner with the Kotlin for Android Developers expert in Kotlin Android Development; and having experience of building tailor-made and user-friendly solutions.

What do you wish to develop?

Safe & Confidential


Privacy is our top priority. We will not disclose your personal information to anybody. It will strictly be used to contact you for specified purpose.

What Is Kotlin?

Kotlin is an excellent open source programming language which is developed by JetBrains for the JVM (Java Virtual Machine) and supported by Google. Kotlin is Google’s official language for Android app development. Google said that Kotlin is a glowingly designed and mature programming language that will make Android native app development faster and more exciting.

Kotlin Android App Development Company

Kotlin has very soon become a preferable language for Android developers or we can say that Kotlin for Android Developers because of its reduced possibility of bugs, clear readability of code and decreased development time. Being perfect in server-side web application development, it is undoubtedly a trend-setting programming language which can build future-ready and inspiring Android applications.

Wishtree has a strong team of Kotlin android developers possessing extensive knowledge and experience of developing customized and user-friendly apps.

Why Kotlin for Android Developers To Developing Android Apps?

Using Kotlin programing language for developing Android apps, enabled us to deliver quality solutions in less time. Below are some features and key benefits of choosing Kotlin over Java to develop your android app –

Easy to Convert Existing Java Code

Kotlin has an in-built tool which can convert existing Java code with a single click. This obviously, reduces the development time and improves performance.

Compatible with Objective-C

Kotlin-native being fully compatible with Objective-C, it can be used to develop iOS applications also.

Name Specific Parameters

In Kotlin programming language, the parameters can be defined by name instead of the index which becomes easy for programmers to identify the parameters when there are too many in a function.

Secure & Trustworthy

Kotlin consists of several safety features eliminating nullability and immutability. Above all, Kotlin’s compiler has the capability of verifying the accuracy of programs during compiling resulting in less or no possibility of run time crashes.

Error-Free Multithreading

Kotlin enables developers to use pure functions and immutable objects, which eliminates continuous modification of similar data by multiple threads when there is no synchronization causing errors.

Supports Functional and Object-Oriented Coding

Kotlin supports coding in both the manners – functional and object-oriented. This avoids duplication resulting in high-value coding.

Reduced Development Efforts

Kotlin being an expressive, concise and powerful programming language, is interoperable with the existing Android languages and runtime resulting in reduced development efforts.

Wishtree Kotlin Android Development Services

Our range of Kotlin development services include –

Mobile App Development

Avail stress-free mobile app development services by leveraging rising technology – Kotlin. Get a powerful app built with high-end features and functionality.

Kotlin App Optimization

Having problems running your Kotlin app? Our Kotlin developers can be at your rescue. We analyze and optimize Kotlin code in an efficient manner to eliminate all the problems and errors in your Kotlin Application.

Upgrading the Kotlin App

Connect with our expert and updated developers to get your Kotlin app upgraded reaching out to the audience that is always future-ready.

Kotlin App Maintenance

Need some tailor-made changes to your existing Kotlin app? Look no further; our Kotlin developers are expert at creating a customized mobile app using all the latest technologies.

Kotlin Migration

Want to migrate your Android app built in another technology to Kotlin? Our Kotlin developers are there to get that conversion done in a seamless manner.

Independent Testing

Get your Kotlin app checked thoroughly by us so that you don’t face unpleasant surprising after its launch. We ensure that your Kotlin app is having clean code, loads quicker and is error-free.

Kotlin Programming Language Users Leading the Market

Kotlin is an excellent programming language used to develop Android apps, has been utilized by below-mentioned global leaders –


Everyone is aware of Pinterest – a photo-sharing social networking platform having 150 million users. The results of its success prove their reason behind using Kotlin as the programming language.


One of the most successful taxi app – Uber has used Kotlin in building internal tools.


Netflix is one of the most popular internet television platforms. The use of Kotlin has resulted to its high performance and success.


Coursera is the most popular education technology company and the use of Kotlin has enabled them to deliver excellent user experience.


Corda built utilizing Kotlin, is an excellent open-source distributed platform used by the majority of banks.

Is Kotlin Better Than Java? (Kotlin vs Java)

  • Developers appreciate Kotlin for being concise, which is lacking in Java programming language.
  • The modules written using Kotlin can work flawlessly within Java Code also; thus both languages can operate simultaneously in the single project.
  • Kotlin having inbuilt null safety which saves developers from writing additional code to solve the issues. This quality doesn’t persist with Java programming language.
  • Kotlin doesn’t allow raw types, which results in clean and error-free code ultimately saving the time of th  e developers.
  • Kotlin has removed checked exception feature present in Java. The checked exception feature is usually unnecessary and create empty catch blocks.

Why Hire Wishtree Kotlin Android Developers for Kotlin Development Services?

Whether you are looking for reduced costs, upgraded technical know-how, or impeccable customer service, we deserve to be your technology partner. Since our inception in 2009, we have been serving our clients with a customized and modern approach towards web / mobile app development projects.

Partnering with us for Kotlin app development services would be an intelligent decision because –

  • Our team consists of experienced and certified Kotlin app developers
  • There is a dedicated team assigned for each project
  • We follow an agile approach for managing our app development projects
  • We give high importance to UI/UX elements of a mobile application
  • We believe in providing prompt response to our customers’ queries and quick delivery has become our habit.

Finally, we are always ready to discuss your requirements. Whether it is hiring a Kotlin developer or delegating the entire project to us for stress-free mobile app development, we are ready to serve you with scalable and interactive solutions, helping your business to achieve desired goals.

Client Testimonials

"Wishtree has provided a variety of Custom Software Services including web application development, API integration, web services, and development and maintenance of several websites. They are highly skilled at recognizing issues and solving them in a timely manner – often before the customers notice any problem. They typically present us with several well-thought-out options, complete with pros and cons, to help us understand our choices and the implications of those choices."

Nicole Yankelovich,
CEO, Envisiture Consulting
Nicole Yankelovich

"Wishtree has really helped move our company forward throughout the years. Wishtree's qualities and work ethic underpinned this successful transition. We started our engagement with Wishtree with a small web application in 2011. They are now managing all our web and mobile solutions including an online webstore, mobile app, and a complex customized Retail Proposal Tool for installing contractors. Wishtree has a firm grasp of technical skillsets and modern technologies. Wishtree is also highly skilled a recognizing issue and solving them in a timely fashion. I also recommend Wishtree technologies in any project that involves complexity, tough time constraints, or high-quality requirements."

Chuck York,
HVAC Product Manager, Johnson Supply
Chuck York

Why Wishtree?

10+ Years

10+ Years

of experience

100+ Experts

100+ Experts

of technology

500+ Software

500+ Software

delivered to clients

Awarded Best SME

Awarded Best SME

in IT for web and mobile

Hybrid Delivery

Hybrid Delivery


120+ Clients

120+ Clients