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Android App Developers

Custom Android app developers building scalable Kotlin and Java apps with smooth UX, secure APIs, and Play Store compliance for startups and enterprises worldwide.

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200+
Clients
8+
Years Experience
50+
Countries Served
Take off digitally with GreatWorks.

Run smarter, grow faster, and lead the future with advanced technology

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Android App Developers

Custom Android app developers building scalable Kotlin and Java apps with smooth UX, secure APIs, and Play Store compliance for startups and enterprises worldwide.

What We Offer

Our android app developers services cover full-cycle development — from strategy and UI/UX design to development, testing, and deployment — tailored to your industry and business needs.

Dedicated Expert Team

Work with skilled professionals specializing in android app developers. We align our processes for seamless, real-time collaboration with your team.

Proven Delivery

End-to-end android app developers with on-time delivery, transparent processes, and ongoing post-launch support for your business.

Why Choose GreatWorks for Android App Developers?

GreatWorks brings global expertise, delivering custom android app developers solutions that are scalable, secure, and built for performance. We work with startups and enterprises alike to turn ideas into high-quality digital products.

Agile Development Process
100% Transparent Communication
Dedicated Project Manager
Post-Launch Support & Maintenance

What We Build

iOS App Development

Native Swift/SwiftUI for iPhone, iPad, watchOS, and App Clips.

Android App Development

Native Kotlin + Jetpack Compose for phones, tablets, and Wear OS.

Cross-Platform (Flutter/RN)

One codebase shipping to iOS, Android, and web — faster and cheaper.

Backend & API Development

Scalable cloud backends, real-time sync, push notifications.

Security & Compliance

Biometric auth, encryption, HIPAA / PCI-DSS-ready architecture.

Maintenance & Growth

OS upgrades, SDK updates, performance tuning, ASO, feature releases.

Our Tech Stack

  • Swift
  • Kotlin
  • Flutter
  • React Native
  • Firebase
  • AWS Amplify
  • Realm
  • GraphQL

Case Studies

Real engagements. Real outcomes. Names withheld under NDA on request.

FinTech Neobank

Challenge

Existing hybrid app had a 3.4-star rating and frequent crashes on mid-range Androids.

Solution

Full Kotlin + Jetpack Compose rewrite with biometric login and Room offline storage.

Kotlin Jetpack Compose Room Firebase

Results

  • Rating rose to 4.7 stars
  • Crash-free sessions up to 99.6%
  • Cold-start time down 68%
Logistics Fleet Operator

Challenge

Driver app dropped GPS pings on weak networks, breaking dispatch.

Solution

Background work-manager with retry-on-network and adaptive ping intervals.

Kotlin WorkManager Mapbox gRPC

Results

  • Lost pings down 91%
  • Dispatch SLA met 99.4% of trips
  • Battery use down 22%
Retail Supermarket Chain

Challenge

Needed a unified loyalty app across 240 stores with regional language support.

Solution

Native Android with on-device translation cache, dynamic theming, and Play Store staged rollout.

Kotlin Hilt Coroutines Play Asset Delivery

Results

  • 2.1M downloads in 90 days
  • Repeat purchase up 27%
  • APK size kept under 18 MB

What Clients Say

“Our rating climbed from 3.4 to 4.7 in one quarter. The Kotlin rebuild was the right call.”

Mariam A.

“They understood our fleet edge-cases on day one. GPS reliability is no longer a board topic.”

Faisal H.

“They shipped a multi-region Android loyalty app in 11 weeks. Cleanest delivery we have ever had.”

Priya N.

Our Process

  1. 1

    Discovery

    Understand goals, audit the current state, and scope the work.

  2. 2

    Design & Planning

    Architecture, UX, and a sprint-by-sprint roadmap.

  3. 3

    Build

    Agile delivery with bi-weekly demos and transparent progress.

  4. 4

    QA & Hardening

    Automated and manual testing, security review, performance tuning.

  5. 5

    Launch & Support

    Go-live, monitoring, and ongoing maintenance.

Industries We Serve

Sector-specific experience delivering Android App Developers across regulated and high-growth industries.

FinTech Healthcare Food & Delivery Retail & E-commerce Logistics On-Demand Services
We align technology with your vision.

Finding solutions to complex problems in every sector within days, not years.

Emerging technologies.

Initiate emerging tech solutions to shape a smarter, connected, and innovative future.

How we can support you.

Using effective and powerful sector-specific technology, our experts help you attain your goals.

Healthcare
Education
FinTech
Sports and Media
AI solutions
Political
Energy, Oil and Gas
Retail and E-commerce
Travel and Logistics
Headless commerce

Why choose greatworks?

Delivering innovation, efficiency, and reliability to drive your success. Trust our expertise to build smarter, future-ready solutions.

Expert development team.

Our team has years of industry experience and expertise to deliver high-quality results every time.

Innovative solutions.

We leverage the latest tools, technology, and creative strategies to provide innovative solutions that drive results.

Efficient and punctual.

The development was completed efficiently, balancing both financial constraints and time management.

Product focused and Quality assurance.

Innovation and customer satisfaction with a strong commitment to excellence throughout the product lifecycle.

Speed and Growth.

Provide scalability, flexibility, and rapid deployment while maintaining quality, ensuring timely and high-standard delivery.

Let’s your idea into reality!

Here to assist, whenever you’re ready.

Wherever your journey takes you, we’re here to assist. Want more insights? Ready to start? We've got your back.

Let’s chat

Frequently Asked Questions

Should I build native or cross-platform?

For top performance or platform-deep features, native. For fastest time-to-market across iOS + Android, Flutter or React Native. We recommend during discovery.

How long does a mobile app take?

MVPs: 10–14 weeks. Full production: 16–28 weeks. Replatforms: 12–20 weeks.

Do you handle App Store and Play Store submission?

Yes. We submit, respond to reviewer feedback, and own the process until approval, plus store assets, screenshots, and ASO basics.

Can you support our app after launch?

Yes — monthly retainers cover crash monitoring, OS-version compatibility, SDK upgrades, and feature releases.

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