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Top Kotlin Development Companies

The Kotlin developer community surpassed 5 million users worldwide in 2024, with 60% of Android developers adopting Kotlin for app development. Source: JetBrains

Kotlin has rapidly become one of the most popular programming languages for building modern, efficient, and secure applications. As the official language for Android development and a powerful alternative for cross-platform and backend projects, Kotlin offers developers enhanced productivity, safety, and flexibility. Top Kotlin development companies specialize in leveraging this language to create seamless, scalable apps tailored to diverse industries, from fintech and healthcare to retail and enterprise solutions. By combining Kotlin’s expressive syntax with industry expertise, these firms deliver innovative solutions that ensure faster time-to-market, superior performance, and long-term business value for clients worldwide.

List of the Best Kotlin App Development Firms | Top Kotlin Development Agencies in the World

Apptage

0 (0)
Apptage – Big Ideas, Built Without the Headaches At Apptage, we're a crew of designers, developers, and digital strategists who believe great tech doesn’t have to come with a side of confusion. Ideas are treated seriously (but not too seriously), and projects are delivered with care, creativity, and just the right amount of coffee. What You Get Everything needed to… Read More
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  • Dollar
    Employees: 101 to 250
  • Dollar
    Min. Project amount: $5,000+
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    Country: South Jordan, USA
Quickway Infosystems, a leading software development and software outsourcing company dedicated to turning your ideas into innovative solutions. With our expert team of developers, designers, and project managers, we deliver top-notch software products tailored to your unique business needs. Read More
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  • Dollar
    Employees: 11 to 50
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    Min. Project amount: $1,000+
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    Country: Noida, India

CISIN

5 (2)
CIS: Your Trusted Technology Services Partner CIS has emerged as a global leader in technology services, delivering high-impact digital solutions to businesses of all sizes. From startups to Fortune 500 companies, organizations partner with CIS to solve complex challenges in software development, team scalability, and digital transformation. What sets us apart? Our exclusive team of top-tier software developers, designers, marketing… Read More
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  • Dollar
    Employees: 1,000 to 9,999
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    Min. Project amount: $5,000+
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    Country: Delaware, USA
Helpful Insight is an ISO 9001-2015 & world-renowned web & mobile application development company in India. We cater to the needs of multiple international clients for building a mobile application or creating a stunning website from scratch. We also take up projects to completely revamp your existing mobile application or website, to make it more appealing to your consumers. We… Read More
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  • Dollar
    Employees: 51 to 100
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    Min. Project amount: $1,000+
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    Country: USA
AITC International Pvt. Ltd. is a prominent IT and software development company headquartered in Bhaktapur, Nepal. Established in 2021, the company has quickly positioned itself as a leading provider of digital solutions, catering to businesses both locally and globally. With a team of over 40 professionals, AITC International specializes in delivering innovative and scalable technology services tailored to meet the… Read More
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  • Dollar
    Employees: 51 to 100
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    Min. Project amount: $1,000+
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    Country: Madhyapur Thimi, Nepal

TechnBrains

4.9 (2)
TechnBrains is a globally recognized digital transformation and custom software development company based in Dallas, Texas, with a proven track record of delivering innovative mobile apps, AI-powered software, and full-stack web solutions for clients across the world. Leveraging a team of experienced engineers, designers, and strategists, TechnBrains specializes in mobile app development (iOS & Android), enterprise software, web development, UI/UX… Read More
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  • Dollar
    Employees: 251 to 500
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    Min. Project amount: $25,000+
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    Country: Grapevine, TX

Idea2App

4.8 (1)
Idea2App is a premier AI, mobile, and software development company with over 21 years of experience in the market. We specialize in transforming visionary concepts into high-quality mobile and web applications, making app development accessible to everyone. By using cutting-edge technologies and streamlined development processes, we deliver fully functional apps quickly, affordably, and with unmatched flexibility. Whether you’re crafting an… Read More
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  • Dollar
    Employees: 501 to 1000
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    Min. Project amount: $1,000+
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    Country: Indore, India
WPWeb Infotech is a leading web and mobile app development company based in India and the USA, excelling in delivering elegant and profitable solutions to a global clientele. As your one-stop partner, we specialize in comprehensive web technologies—PHP, WordPress, Shopify, Magento, CodeIgniter, Laravel, Drupal, React, Angular and Node.js—as well as end-to-end mobile app development on Android, iOS, React Native and… Read More
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  • Dollar
    Employees: 51 to100
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    Min. Project amount: $5,000+
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    Country: Ahmedabad, India
We're a dedicated team of Flutter developers who love turning ideas into high-quality mobile apps. When you hire Flutter agency professionals like us, you get more than just code, you get a partner who understands your goals and helps bring them to life. From sleek design to solid performance, we focus on building apps that your users will enjoy using… Read More
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  • Dollar
    Employees: 50 to 100
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    Min. Project amount: $5,000+
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    Country: Gandhinagar, India
Everincodeh is a forward-thinking software development and digital engineering firm dedicated to delivering tailored, high-impact solutions that drive business success. With a strong presence in both India and the United States, Everincodeh specializes in transforming legacy systems, developing cutting-edge applications, and implementing scalable digital platforms across various industries, including healthcare, finance, education, and e-commerce. Our Vision To be a catalyst… Read More
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  • Dollar
    Employees: 11 to 50
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    Min. Project amount: $1,000+
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    Country: Indore, India

** Buyer's Guide **

What services do Kotlin development companies typically provide?

1. Android App Development

Kotlin is the official language for Android, and companies build feature-rich, secure, and scalable Android apps using Kotlin’s concise and expressive syntax.

2. Cross-Platform Development

Using frameworks like Kotlin Multiplatform, agencies create apps that run seamlessly across Android, iOS, desktop, and web with a shared codebase.

3. Backend Development

Many Kotlin development firms use Kotlin with frameworks like Spring Boot or Ktor to build robust, scalable backend systems and APIs.

4. Migration from Java to Kotlin

Companies offer smooth migration services for businesses moving legacy Java applications to Kotlin, ensuring better maintainability and performance.

5. Custom Software & Enterprise Solutions

From fintech to healthcare, Kotlin developers create tailored solutions that address specific enterprise needs, integrating modern features like AI, IoT, and cloud computing.

6. Code Audit & Optimization

Kotlin specialists provide code reviews, bug fixes, and performance optimization to improve existing applications.

2.Why choose Kotlin over Java for Android development?

1. Official Language for Android

Google officially endorses Kotlin for Android development, ensuring strong community support, regular updates, and better integration with Android Studio.

2. Concise and Readable Code

Kotlin reduces boilerplate code compared to Java, making applications easier to write, maintain, and debug. Developers achieve more with fewer lines of code.

3. Null Safety

Kotlin’s built-in null safety eliminates the common NullPointerException errors prevalent in Java, improving application stability and reliability.

4. Interoperability with Java

Kotlin is 100% interoperable with Java, allowing developers to use existing Java libraries, frameworks, and tools without rewriting the entire codebase.

5. Modern Language Features

Features like coroutines for asynchronous programming, extension functions, and smart casts make development faster, more efficient, and scalable.

6. Improved Developer Productivity

With less boilerplate, powerful IDE support, and fewer bugs, Kotlin boosts overall developer efficiency and speeds up project delivery.

3.How much does it cost to hire a Kotlin development company?

1. Average Hourly Rates

The cost varies by region. On average:

  • US & Western Europe: $70–$150/hour

  • Eastern Europe: $40–$70/hour

  • Asia (India, Nepal, etc.): $20–$50/hour

2. Project-Based Pricing

  • Small apps / MVPs: $10,000 – $25,000

  • Mid-sized apps: $25,000 – $60,000

  • Enterprise-grade solutions: $60,000+ depending on complexity, integrations, and scalability requirements.

3. Factors Influencing Cost

  • App complexity (basic vs. feature-rich)

  • Integration needs (APIs, databases, third-party services)

  • UI/UX design requirements

  • Maintenance & long-term support packages

4. Hiring Models

  • Dedicated Team: Best for long-term projects needing constant updates.

  • Hourly Engagement: Flexible for short-term or small fixes.

  • Fixed Cost Projects: Suitable for well-defined scopes with clear deliverables.

5. Value Beyond Price

Top Kotlin development companies also provide faster delivery, scalability, code quality, and post-launch support, which outweighs just looking for the cheapest option

4.Which industries benefit most from Kotlin app development?

1. FinTech & Banking

Kotlin is widely used in secure mobile banking apps, payment gateways, and digital wallets due to its safety features and seamless interoperability with Java.

2. E-Commerce & Retail

From shopping apps to customer loyalty platforms, Kotlin powers scalable, fast, and user-friendly mobile experiences that handle high transaction volumes.

3. Healthcare & Telemedicine

Kotlin enables the development of HIPAA-compliant apps, telehealth platforms, and patient monitoring solutions with strong data security and reliability.

4. Media & Entertainment

Streaming, gaming, and content delivery apps benefit from real-time performance, smooth UI, and scalability offered by Kotlin.

5. Logistics & Transportation

Kotlin supports fleet tracking, delivery management, and mobility apps that require efficiency, geolocation integration, and real-time updates.

6. Education & eLearning

With the rise of EdTech, Kotlin is ideal for building **interactive learning apps, test preparation platforms

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