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Custom Mobile Application Development

Make your mobile app a true game-changer for your business — built right from the start. With targeted expertise, quality-first development, and scalable architecture, we’ll help you create an experience your users will love.

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Approximately60%ofappusersmademultiplepurchasesthroughouttheyear,comparedto40%ofmobilewebsiteusers.

Mobile App Development Services We Cover

We build mobile applications from the ground up to bring your boldest ideas to life — or improve your existing app with cleaner design, smoother performance, and better scalability.

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Cross-Platform Development

We build apps that work seamlessly on both iOS and Android using Flutter and React Native. It's a smart choice if you’re looking to launch fast, stay on budget, and keep things consistent across platforms.

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Native App Development

Need something more tailored and powerful? We develop fully native apps using Swift for iOS and Kotlin for Android — perfect for apps that demand top-tier performance, deep system integration, or platform-specific features.

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App Strategy & Consulting

Our business analysis team will help you define your app’s goals, target audience, and create a clear roadmap for success. We’ll work together to ensure you’re headed in the right direction from the start.

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Mobile App UI/UX Design

First impressions matter. We design intuitive, user-friendly interfaces that not only look great but also make your app a joy to use. From wireframes to final polish, we handle the full design process.

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Mobile App Enhancement

We help take your existing app to the next level — with improved performance, a refreshed design, and cloud capabilities for global reach. This service may also include boosting security, introducing new features, or integrating APIs.

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App Testing, QA & Security

We make sure your app works perfectly by testing it on different devices to catch any bugs. We also check for any security issues to keep user data safe and make sure your app runs smoothly, no matter what.

OTAKOYI — Certified Flutter Development Company

Flutter is an open-source framework by Google that lets you build fast, beautiful, and high-performance apps for both iOS and Android from a single codebase.

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OTAKOYI is the official Flutter Consultant
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Industry-Focused Mobile Innovations

Booking & Scheduling Apps
  • Travel & ticket booking (flights, trains, buses)
  • Hotel and vacation rental booking
  • Appointment scheduling (salons, clinics, etc.)
  • Event ticketing and seat selection
Healthcare & Wellness Apps
  • Telemedicine and doctor consultation apps
  • Health tracking (fitness, nutrition, sleep)
  • Medication reminders and prescription management
  • Mental health support apps
eLearning Apps
  • Language learning platforms
  • Online course delivery (LMS)
  • Exam preparation and quizzes
  • Tutoring and coaching platforms
E-Commerce Apps
  • B2C/B2B online store apps
  • Marketplace platforms (multi-vendor)
  • Loyalty programs and rewards apps
  • Mobile POS systems
Delivery Apps
  • Food delivery apps
  • Ride-hailing and taxi services
  • Courier and logistics tracking
  • Home services booking (cleaning, repairs, etc.)
Social Apps
  • Messaging and chat apps
  • Dating platforms
  • Interest-based communities
  • Forums and content-sharing platforms
Mobile Banking Apps
  • Secure account management and transfers
  • Mobile payment solutions and digital wallets
  • In-app loan applications and management
  • Personal finance and budgeting tools
IoT & Utility Apps
  • Smart home control
  • Wearable integrations
  • Device companion apps
  • QR/barcode scanners

Case Studies by Our Team

Technologies Behind Your Solutions

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ANDROID

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IOS

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KOTLIN

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FLUTTER

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SWIFT

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REACT NATIVE

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OBJECTIVE-C

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FIREBASE

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SUPABASE

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GRAPHQL

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AWS AMPLIFY

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CODEMAGIC

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WEBSOCKET

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Confidently Launch Your Mobile Application

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Native vs Cross-Platform: What’s Right for Your App?

When to Choose Cross-Platform

  • Launching fast with a prototype or MVP
  • Budget constraints (build once, deploy on both platforms)
  • Need for faster time-to-market
  • Consistent design and UX across platforms
  • Your app doesn’t need heavy platform-specific features
  • Most functionality can be handled by Flutter, React Native, etc.

When to Choose Native

  • Targeting only Android or iOS
  • Requires high performance and responsiveness
  • Needs deep integration with platform-specific features
  • Handling sensitive data with platform-level security
  • Requires tight integration with other native apps or OS services
Still unsure? We will help you decide

Our Mobile Development Process

01

App ideation & strategy

  • Market research
  • Discovery and business analysis
  • User persona creation
  • Business model development
02

UI/UX design

  • Wireframing
  • Prototyping
  • User testing
  • Visual design
03

Development

  • Coding
  • Backend integration
  • API development
  • Security implementation
04

Testing & quality assurance

  • Automated and Manual QA
  • Integration testing
  • Test strategy
05

Deployment & launch

  • Continuous integration and delivery
  • Support with submissions to app stores
06

Post-launch maintenance

  • Updates
  • Bug fixes
  • Feature additions
  • Analytics monitoring

Our Clients Say

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Their team showcases impressive energy, flexibility, and skills. They genuinely care about the project and pay attention to timelines and costs. They are great to work with, and even though their country has been at war, they have remained professional, kind, and honest.
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Michael Askew
CEO
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OTAKOYI's loyalty to ETA+ has been impressive, both in terms of their work and communication. OTAKOYI is a reliable partner, delivering on time, within budget, and with good quality. We can count on them to meet our needs, even with changing requirements.
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Dirk Wittler
Founder of ETA+ GmbH
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They have an impressive ability to understand complex requirements and transform them into powerful platforms that drive real business outcomes. OTAKOYI's team is responsive, detail-oriented, and consistently goes above and beyond to meet each milestone with precision.
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Roman Olney
Global Digital Marketing Director, Lenovo
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At first, we involved OTAKOYI for a small project and they delivered a product that exceeded our expectations ahead of schedule. We then contracted them to build several more web applications. I find the speed in which they deliver quality software very impressive.
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Vance Heron
CTO, PeteHealth
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We've been very impressed by OTAKOYI. Their developers have been top notch so far. They are very knowledgeable and very technically proficient. In addition, unlike other development firms we've worked with, these developers think outside the box.
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Philip Ly
Founder
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Based on verified reviews, we’re recognized for

  • Long-term partnerships
  • Proactivity and professionalism
  • High-quality work
  • Strong design capabilities
  • Attention to detail
  • Effective communication
  • Great project management

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Frequently Asked Questions

Yes, we can seamlessly integrate your app with various third-party services like payment systems, CRMs, and cloud platforms to enhance its functionality and user experience.

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Solia Kaminska
Strategic Partnerships Director
Have more questions or just curious about future possibilities?
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The key to a successful project is a strong business idea backed by real market need, a solid tech solution, and a clear go-to-market plan.
Volodymyr Hodiak
CTO
Let’s Connect
CTO at OTAKOYI
Moving forward together, step by step
1
Expect a reply within 24 hours
2
We’ll schedule a quick intro call
3
Our team will craft a tailored proposal
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Once aligned, we’ll get to work
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