Kotlin App Development Company

“Because life is too short for bad code."

Kotlin is an ideal choice for building high-performance, scalable applications for a wide range of industries. At Zealous System, we have a team of expert Kotlin developers who are skilled in leveraging the power of this technology to build robust and innovative applications that meet the diverse needs of our clients.

At Zealous System, we specialize in providing comprehensive Kotlin app development services that cater to the unique requirements of our clients. Whether you need to build a mobile app, web app, or enterprise solution, we have the expertise and resources to deliver high-quality kotlin for android app development solutions that drive business growth and success.

“Our numbers speak for themselves.”


Diverse Domains


Android Apps Developed


Kotlin App Developers


On Delivery Time

Our Kotlin App Development Services

“Our expert fingers take no time in crafting top-notch web apps!”

Android App Development with Kotlin

Android App Development with Kotlin

  • Zealous System develops native mobile apps for Android and iOS platforms using Kotlin.
  • We create robust and scalable apps with clean code that are optimized for performance.
  • We ensure seamless integration with third-party APIs and services to enhance app functionality.

Kotlin App Design Services

  • Experienced design team creates Kotlin apps that look great
  • Designed apps meet user needs and expectations
  • Great design is a critical component of any successful app
Kotlin App Upgradation Services

Kotlin App Upgradation Services

  • Updates to existing apps add new features, improve performance, and ensure compatibility
  • Upgraded apps help you stay competitive and functional
  • Expertise provided to improve user experience and stay relevant

Kotlin Consulting Services

  • Zealous provides consulting Kotlin services to help businesses evaluate the benefits of Kotlin and implement Kotlin in their projects.
  • We advise on best practices and tools to use for Kotlin development.
  • We assist with project planning and team training to ensure successful Kotlin adoption.
Kotlin Migration Services

Kotlin Migration Services

  • Zealous helps businesses migrate their existing Java applications to Kotlin, ensuring a smooth transition and minimal disruption.
  • We provide code analysis and refactoring services to optimize the migrated code for Kotlin.
  • We ensure compatibility with existing systems and third-party services.
Kotlin Support and Maintenance

Kotlin Support and Maintenance

  • Zealous provides ongoing support and maintenance for Kotlin applications, ensuring they remain secure, up-to-date, and optimized for performance.
  • We monitor and resolve any issues or bugs that arise in the application.
  • We provide regular updates and feature enhancements to keep the application relevant and user-friendly.
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Process We Follow As A Custom Kotlin App Development Company In India

“We don’t dive into unnecessary complexities.”


Scope Analysis Process

  • Requirement Gathering
  • Detailed Scope Documentation
  • Wireframes
  • Technical Feasibility

Sprint Planning & Execution

  • Sprint Planning
  • Daily Standup Meeting
  • Designing & Development
  • Testing & Stage/Dev Deployment

UAT & Release

  • UAT Feedback & Bug Resolution
  • Deliver Well-crafted software
  • Deploy All Assets and Code


  • Knowledge Transfer to Client Team
  • Contract Based Support
  • Release Notes/User Manuals (If applicable)


We are here to serve you with top-notch custom software product development services to get your business going.

Why Zealous As A Kotlin App Development Company?

“We don’t boast but our results say so!”

Domain Experience

We have custom Kotlin for android app development catering in the specific industry/domain to ensure effective problem-solving and decision-making.

Functional Experts

Zealous has individuals with specialized knowledge in specific areas such as marketing, finance, or human resources who can bring value and expertise to the project.

Truly Agile

Adopting agile methodologies allows for flexibility, adaptation, and continuous improvement throughout your project’s lifecycle.

Latest Technologies and High Standards

Zealous incorporates the latest technologies and adhering to high standards ensure that the project is innovative, efficient, and effective.

Integrity & Transparency

We uphold ethical principles and are transparent in all communications and actions which builds trust and strengthens relationships between team members and stakeholders.

Extensive QA Testing

Rigorous testing throughout the development process to ensure that the project is error-free, functional, and meets the expected standards.

Real-time Communication

Effective communication, whether in-person or virtually, takes place to ensure collaboration, problem-solving, and timely decision-making.

Goal-Oriented Workflow

We establish clear goals, objectives, and timelines for each phase of the project which helps in ensuring that the team stays on track and delivers results on time and within budget.

Our Portfolio

"We are very proud of our diverse portfolio and the projects that our experts have created!"

Instant school
Instant School App

The Instant School App is a Mobile Platform that allows Schools to enrich relationship with their students’ parents in a few easy steps.

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K3 logistics
K3 Logistics

K3 Logistics is an Order Tracking app which provides a logistical tracking and monitoring system for a logistics company, where drivers and suppliers can track the progress of their orders.

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Digital wallet app
Digital Wallet App

Developed for one of our client in Middle East, digital wallet app is a new and convenient way to transfer money domestically as well as internationally, pay at authorized shops, and pay basic bills.

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Sonic tonic app
Sonic Tonic App

Sonic Tonic is an e-Health App that uses medically accepted Receptive Sound Therapy for making effective & fast interventions.

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AR spots finder
Ar Sports Finder

AR Spots Finder is a Mobile App that allows Visitors and Shoppers to easily locate a Brand, Product, Shop or Promotion in a Mall or at a Venue by utilizing Augmented Reality & Beacon Technology.

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Client Testimonials

Frequently Asked Questions

“We built strategies before development that work just for you.”

How can Zealous System help with Kotlin migration services?

If you’re looking to migrate your existing Java codebase to Kotlin, Zealous System can help you with the process. We conduct a code analysis of your existing codebase to identify potential areas of improvement and ensure compatibility with Kotlin. We also provide code refactoring services to optimize your migrated code for Kotlin, which can help improve its performance and maintainability.

How does Zealous System ensure the quality of Kotlin development projects?

We have a rigorous quality assurance process that we follow for all their development projects, including Kotlin. We use automated testing tools to identify potential bugs and issues before they affect the end-users. We also conduct manual testing to ensure that the application meets the user’s requirements and is user-friendly.

What is the cost of the project as a custom Kotlin app development company in India?

The cost of a project is influenced by several factors, such as its size, the number of resources required, the technology stack used, the complexity of the product, and the development process. To obtain further information on this matter, please contact our business development team at info@zealousys.com.

How do you take care of intellectual property rights?

At the outset of every project, we establish a Non-Disclosure Agreement with each client to uphold strict confidentiality standards. Our commitment to safeguarding our clients’ information and intellectual property is of the utmost importance to us, and we take every precaution to ensure that it remains secure and private.

What advantages does Kotlin offer over other programming languages for app development?

Kotlin is a modern, type-safe, and concise programming language that offers a wide range of benefits over other programming languages for app development. Some advantages of Kotlin include its interoperability with Java, support for functional programming, concise syntax, and null safety features, which can help improve the stability and reliability of your app.

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