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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

Lickability is a detail-oriented software studio in NYC that crafts custom apps for clients ranging from startups to Fortune 500 companies for iOS and Android. Their work has reached millions of users and has been featured on the App Store numerous times. They focus on human-centered design, write well-tested code, and ensure accessibility for all users. Their diverse team has… Read More
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    Employees: 2 - 9
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    Min. Project amount: $25,000+
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    Country: NY, United States

hedgehog lab

4.9 (2)
hedgehog lab is a human-centered global tech consultancy. Our experts in UXR, UI/UX, engineering, AI, cloud, and data science collaborate with partners to provide custom app development and digital transformation services. Our passionate and award-winning team, based in the United Kingdom, has delivered industry-leading results for renowned clients worldwide, including AJ Bell, YourParkingSpace, Deliciously Ella, Deliveroo, Under Armour, Edwards Lifesciences,… Read More
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    Employees: 50 - 249
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    Min. Project amount: $100,000+
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    Country: Tyne, United Kingdom

Busy Human

11.3 (2)
Creating exceptional software goes beyond simply writing good code. Great software is adaptive and engaging; it transforms information into something tangible and interactive. Our software simplifies people's lives, making everyday tasks more enjoyable and a bit more exciting. Read More
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    Employees: 2 - 9
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    Min. Project amount: $1,000+
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    Country: UT, United States
Founded in July 2009, Ahex Technologies is an ISO 9001:2015 certified software development agency specializing in customized web applications, mobile applications, and e-business solutions globally. What began as a small group of like-minded individuals has now flourished into a dynamic team of around 100 exceptional professionals. Our team comprises experts in graphic design, specialists in object-oriented languages, database architects, and… Read More
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    Employees: 50 - 249
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    Min. Project amount: $10,000+
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    Country: Hyderabad, India
The Blue Box: Boutique Mobile & Web Development - Where Ideas Take Flight We're not your average software company. The Blue Box is a close-knit team dedicated to bringing your vision to life through personalized service, clear communication, and a collaborative approach. What makes us different? Boutique Experience: We prioritize personal attention and understanding your unique needs. Seamless Collaboration: Clear… Read More
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    Employees: 10 - 49
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    Min. Project amount: $10,000+
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    Country: Rosario, Argentina

DTEAM

5 (2)
DTEAM: Crafting Groundbreaking Ideas Together. We put people first. Your vision, our expertise. DTEAM isn't your ordinary design and development agency. We're a passionate team that believes in the power of collaboration to build apps users love. Here's what makes us unique: Human-Centered Approach: We prioritize understanding your needs and goals before diving into code. End-to-End Partnership: From strategy to… Read More
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    Employees: 50 - 249
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    Min. Project amount: $10,000+
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    Country: Miami, FL, United States
Origami Studios: Where Innovation Folds into Reality Crafting Bespoke Mobile, Web, and AI-powered Solutions Origami Studios isn't your average development company. We're a team of passionate engineers and designers who believe in the power of technology to transform businesses. We don't just build apps, we craft experiences that propel you forward. Unfold Your Potential with: Native Mobile Development: Build feature-rich,… Read More
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    Employees: 10 - 49
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    Min. Project amount: $10,000+
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    Country: NJ, United States

Algoworks

5 (2)
Algoworks is an award-winning mobile app design and development company based in Sunnyvale, USA, and Noida, India. We are proud to announce that we are now also a Salesforce Platinum Consulting Partner and a Salesforce PDO Member. Read More
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    Employees: 250 - 999
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    Min. Project amount: $10,000+
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    Country: CA, United States
Hyperlink InfoSystem, an ISO 9001:2008 certified organization, is a globally renowned IT software solutions provider with offices worldwide. Since its establishment in 2011, Hyperlink InfoSystem has created dynamic and cost-effective solutions for clients across India, the USA, the UK, Japan, Canada, and beyond. With a dedicated and skilled team of professionals, we deliver services without compromising on time or quality. Read More
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    Employees: 1,000 - 9,999
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    Min. Project amount: $25,000+
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    Country: NJ, United States
HeyFlutter.com is a top-tier & leading Mobile App and Web Development Company that helps businesses around the world to design, develop and successfully scale professional Websites, Mobile Apps and Backend Servers. Read More
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    Employees: 10 - 49
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    Min. Project amount: $5,000+
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    Country: Kassel, Germany

** 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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