Mobile App Development

We build beautiful, high-performance mobile apps using Flutter and Kotlin Multiplatform (KMP). Cross-platform development means faster delivery and lower costs without compromising quality. From simple apps to complex fintech solutions, we've delivered 20+ mobile projects.

20+

Apps Delivered

Years with Japanese Clients

Years Experience

98%

Client Satisfaction

50+ Projects Delivered

Clients in 12+ Countries

Japan-Quality Standards

What's Included

Cross-Platform (Flutter/KMP)

Native iOS & Android options

UI/UX Design included

Backend API development

App Store submission & optimization

3 months free bug support

Types of Apps We Build

From startups to enterprises, we build apps across industries

E-Commerce Apps

Shopping apps with payments, inventory sync, and push notifications

Retail storesMarketplacesFood delivery

FinTech & Payments

Secure payment apps, digital wallets, and banking solutions

Payment gatewaysCrypto walletsBanking apps

Healthcare & Fitness

Patient portals, telemedicine, fitness tracking apps

TelehealthFitness trackersMedical records

Logistics & Fleet

Tracking, route optimization, driver management apps

Delivery trackingFleet managementLast-mile

Social & Community

Social networks, messaging, community platforms

Social appsDating appsCommunity forums

EdTech & Learning

Learning management, course delivery, educational games

E-learningSkill trainingKids education

Platform Options

Choose the right technology stack for your project

Flutter

Recommended

Cross-Platform

Build once, deploy everywhere. Flutter delivers native-like performance with a single codebase, making it ideal for startups and businesses that want to launch on both iOS and Android quickly without doubling their budget.

Advantages

One codebase = 40-50% cost savings
Faster time-to-market (single team)
Consistent UI across platforms
Hot reload speeds up development
Growing ecosystem & Google backing

Considerations

• App size slightly larger (~5-10MB)
• Less mature than native for bleeding-edge OS features

Best for:

MVPs, startups, e-commerce apps, content apps, and most B2B/B2C applications where time-to-market and budget matter

Kotlin Multiplatform (KMP)

Shared Logic + Native UI

Share your business logic (networking, data, validation) across iOS and Android while keeping platform-native UI. Perfect when you need the polish of native interfaces but want to avoid duplicating complex backend logic.

Advantages

True native UI (SwiftUI/Jetpack Compose)
Share 50-70% of code (business logic)
Gradual adoption possible
Full access to platform APIs
Strong typing with Kotlin

Considerations

• Still need iOS + Android UI developers
• Smaller community than Flutter
• Setup complexity higher

Best for:

Apps requiring platform-specific UX polish (banking, enterprise), existing native apps wanting code sharing, teams with iOS + Android expertise

Native (Swift + Kotlin)

Platform-Specific

Two separate codebases, two teams, maximum platform optimization. Choose this when your app needs day-one access to new OS features, extreme performance (AR/VR, games), or when platform guidelines are critical.

Advantages

Best possible performance
Immediate access to new OS features
Deepest platform integration
Largest talent pool

Considerations

• 2x development cost & timeline
• Two codebases to maintain
• Feature parity challenges

Best for:

Performance-critical apps (games, AR/VR), apps needing day-one iOS/Android features, large enterprises with dedicated platform teams

Our Development Process

A proven methodology for delivering successful projects

Discovery & Planning

1-2 weeks

We analyze your requirements, define scope, and create a detailed project plan with Japanese-standard documentation.

Requirements gatheringUser story mappingTechnical architectureProject estimation

UI/UX Design

2-3 weeks

Creating intuitive, beautiful interfaces that your users will love.

WireframingVisual designPrototypingDesign review & iteration

Development Sprints

4-8 weeks

Agile development with bi-weekly demos and continuous feedback.

Sprint planningFeature developmentCode reviewsSprint demos

Testing & QA

1-2 weeks

Rigorous testing across devices to ensure a bug-free experience.

Manual testingPerformance testingLoad testingDevice compatibility

Launch & Support

Ongoing

App store submission, launch support, and 3 months free bug fixes.

Store submissionASO optimizationLaunch monitoringBug fixes

Why Choose Genie InfoTech?

Japan-Quality Standards

Our team has been delivering products for Japanese companies for 4+ years. We understand the importance of meticulous planning, attention to detail, and unwavering commitment to quality that Japanese clients expect.

Cost-Effective Excellence

Get Japan-quality deliverables at 70-80% lower cost than US/EU/Japan agencies. Our Bangladesh team combines world-class skills with competitive pricing.