Mobile App Development Services (iOS & Android)

Mobile App Development Services for iOS & Android | React Native & Flutter

Engineering high-performance, cross-platform and native mobile applications engineered for fluid 60fps UI, offline resilience, and guaranteed App Store approval.

REACT NATIVE & FLUTTERSWIFT & KOTLIN NATIVENODE.JS & PYTHON BACKENDFIREBASE & SUPABASEIOS APP STORE & GOOGLE PLAYSTRIPE & APPLE IN-APP PURCHASESFIREBASE PUSH NOTIFICATIONS100/100 CORE WEB VITALS
Building a mobile app requires navigating critical engineering choices around native vs cross-platform frameworks, device hardware permissions, and complex Apple App Store and Google Play approval guidelines. At MHKMarkedia, we engineer cross-platform (React Native & Flutter) and native mobile applications that deliver native 60fps performance, offline resilience, and seamless API integrations. From initial Figma UI/UX prototypes and TestFlight beta builds to App Store Optimization (ASO) and deployment on your developer accounts, we partner with enterprises and ambitious startups to turn app ideas into high-converting digital products.

⚡ Strategy & Technical Architecture

🚀 Enterprise Engineering & Execution

By combining modern engineering frameworks, cloud databases, and bespoke software architecture, MHKMarkedia builds robust digital systems that streamline business operations and scale revenue effortlessly.

⚖️ Native (Swift/Kotlin) vs Cross-Platform (React Native/Flutter)

EVALUATION CRITERIA
NATIVE (SWIFT / KOTLIN)
CROSS-PLATFORM (REACT NATIVE / FLUTTER)
Primary Objective
Platform-specific hardware execution
Single unified codebase deployed natively to iOS & Android
Development Cost & Speed
Higher budget, separate iOS & Android codebases
40%+ lower budget, rapid dual-store simultaneous release
Performance & UI Smoothness
Maximum native 60-120fps hardware rendering
Fluid 60fps native-like user interface and animation
Hardware & Device Features
100% full access to low-level OS APIs
Access to 98%+ device hardware features, camera, GPS & plugins
App Store & Play Store Presence
Native Store Submission (Apple & Google)
Native Store Submission (Apple & Google)
Best Suited For
Heavy 3D games & low-level hardware apps
Business apps, SaaS companions, e-commerce, on-demand & MVPs
💡Confused between Native (Swift/Kotlin) and Cross-Platform (React Native/Flutter)? We provide a free technical consultation to select the optimal mobile architecture for your budget.

⚠️ Key Business & Operational Challenges Solved

✕ App Idea Without Technical Scoping

Possessing a strong mobile app concept but lacking the engineering direction to scope features, wireframes, hardware permissions, and backend APIs.

✕ Dual Budget Fears for iOS & Android

Fearing double development budgets and twice the development timeline for building separate native Swift (iOS) and Kotlin (Android) apps.

✕ Slow, Crashing & Unsupported Legacy Apps

Existing mobile applications suffering from frequent crashes, laggy UI frames, poor battery efficiency, and failed OS updates.

✕ App Store & Google Play Rejections

Applications rejected by Apple App Store or Google Play reviewers due to privacy, permission, or guideline policy violations.

✕ Abandoned Developer Accounts & Lost Source Code

Previous freelancers or agencies vanishing, leaving incomplete code, undocumented APIs, and locked developer account credentials.

✕ Low Downloads & Poor User Retention

Apps launched without App Store Optimization (ASO) or intuitive onboarding flows, resulting in low user engagement and rapid uninstall rates.

🤖 Mobile Application Types & System Solutions We Build

• Business & Operational Apps

Booking engines, customer order tracking, loyalty rewards programs, and field staff management.

• E-Commerce Mobile Apps

Mobile shopping catalogs, seamless 1-tap cart checkout, push sales alerts, and live order tracking.

• On-Demand Service Platforms

Real-time GPS tracking, service booking engines, rider/driver dispatch systems, and in-app payments.

• Healthcare & Telemedicine Apps

Patient appointment scheduling, medical report downloads, lab result notifications, and secure doctor chats.

• E-Learning & Education Apps

Video course streaming, interactive quizzes, student progress analytics, and offline media downloads.

• Real Estate & Property Search Apps

GPS map property listings, virtual property tours, instant agent messaging, and lead routing.

• Fintech & Wallet Applications

Secure transaction ledgers, digital mobile wallets, biometric authentication, and compliance controls.

• Social & Community Applications

User activity feeds, direct messaging, user profiles, media uploads, and real-time push notifications.

• Enterprise Internal Apps

Employee attendance tracking, task management, document approvals, and internal communications.

• SaaS Companion Apps

Native mobile extensions for existing web applications, SaaS dashboards, and cloud tools.

• App Redesign, Rescue & Migration

Complete code refactoring, UI/UX redesign, crash recovery, and migration to React Native / Flutter.

🛡️ Mobile Security, Encryption & Device Privacy Standards

ZERO-DATA-LEAKAGE PRIVACY FRAMEWORK

🔒 Secure Mobile Authentication

Biometric login (FaceID / TouchID), OAuth 2.0, phone OTP, and Multi-Factor Authentication (MFA).

🔒 End-to-End API Data Encryption

SSL Pinning, TLS 1.3 encrypted REST/GraphQL endpoints, and AES-256 local device storage encryption.

🔒 App Store & Play Store Compliance

Guaranteed compliance with Apple App Store and Google Play Store privacy policies and permission guidelines.

🔒 Comprehensive Physical Device QA

Rigorous physical device testing across iOS iPhones, iPads, and Android smartphones of all screen sizes.

🔒 Developer Account & IP Ownership

Complete transfer of Git source code repositories and publishing rights under your developer accounts.

🔒 Immutable Crash Analytics

Real-time crash monitoring (Sentry / Firebase Crashlytics), performance logging, and privacy controls.

🛠️ Cross-Platform & Native Mobile Tech Stack

Cross-Platform Mobile Frameworks

✓ React Native✓ Flutter✓ TypeScript✓ Dart

Native Mobile Languages

✓ Swift (iOS)✓ Kotlin (Android)

Backend & Cloud Microservices

✓ Node.js Microservices✓ Python (FastAPI / Django)✓ Next.js API Routes✓ Firebase✓ Supabase

Databases & Offline Storage

✓ PostgreSQL✓ MongoDB Enterprise✓ SQLite✓ WatermelonDB✓ Async Storage

Push Notifications & Cloud Services

✓ Firebase Cloud Messaging (FCM)✓ Apple Push Notification Service (APNs)✓ AWS S3✓ Sentry Crashlytics

Payment & Store SDKs

✓ Stripe Mobile SDK✓ Apple In-App Purchases✓ Google Play Billing✓ Local Payment SDKs

🔄 Agile Mobile App Engineering & Store Submission Roadmap

01

Discovery & App Product Roadmap

Scoping app features, target user personas, hardware permissions, and platform requirements.

02

Scope & MVP Definition

Prioritizing core feature sets to define MVP boundaries for fast App Store and Google Play release.

03

UI/UX Design & Figma Prototype

Designing interactive iOS and Android mobile screens following Apple HIG and Google Material Design guidelines.

04

Agile Sprints & TestFlight Demos

1-2 week development cycles with live TestFlight (iOS) and APK (Android) beta builds for client testing.

05

Cross-Device QA & Security Audit

Physical device testing across screen sizes, OS versions, security audits, and performance tuning.

06

Store Submission & ASO Launch

Configuring Apple Developer and Google Play Console accounts, App Store Optimization (ASO), and publishing.

07

Post-Launch Maintenance & OS Updates

Ongoing iOS/Android OS compatibility updates, crash monitoring, and feature iterations.

📈 Mobile ROI & Direct Customer Engagement Benefits

✓ Direct Presence on Customer Home Screens

Stay 1-tap away from your customers on iOS iPhones and Android mobile devices.

✓ High-Converting Push Notifications

Drive repeat engagement, sale alerts, and order updates directly to customer lock screens.

✓ Seamless Cross-Platform Efficiency

Save 40%+ development time and budget with a single unified React Native / Flutter codebase.

✓ 100% Full App Store Account & IP Ownership

Retain complete ownership of source code, Apple Developer accounts, and Google Play Console accounts.

✓ New Mobile Revenue Streams

Monetize via in-app purchases, mobile subscriptions, or mobile e-commerce checkout.

💎 Mobile App Engineering & Store Publishing Packages

MOST POPULAR

Fixed-Price Mobile MVP Build

Ideal for startups launching dual-store apps on Apple App Store & Google Play.

From $2,500
  • ✓Complete Figma UI/UX Mobile Design
  • ✓React Native / Flutter Unified Codebase
  • ✓Cloud Backend & Database Setup
  • ✓User Auth, Payments & Push Alerts
  • ✓100% Source Code & Account Transfer
  • ✓30-Day Post-Launch Warranty

Time & Materials / Agile Sprints

Designed for evolving mobile applications requiring continuous feature releases.

Custom Sprint Rate
  • ✓Dedicated Bi-Weekly Mobile Sprints
  • ✓Dynamic Feature Prioritization
  • ✓Direct Mobile Engineer Access
  • ✓TestFlight & Beta APK Builds
  • ✓Flexible Scope Adjustments
  • ✓Transparent Weekly Billing

Paid Mobile Discovery & Scoping Blueprint

Fixed-fee scoping phase before full-scale mobile engineering.

Fixed Scoping Fee
  • ✓Detailed Mobile Tech Spec Sheet
  • ✓Interactive Figma UI Prototype
  • ✓Backend API & Database Architecture Map
  • ✓Store Guidelines Feasibility Audit
  • ✓Accurate Cost & Timeline Roadmap

App Care & Store Maintenance Retainer

Ongoing iOS/Android OS compatibility, crash monitoring, and updates.

Monthly Retainer
  • ✓iOS & Android OS Update Support
  • ✓Security Patches & SDK Updates
  • ✓Sentry / Crashlytics Monitoring
  • ✓Minor Feature Enhancements
  • ✓Dedicated Monthly Support Hours

📦 Production Code, TestFlight Builds & Store Account Handoff

Production-ready iOS (.ipa) and Android (.apk/.aab) mobile applications
Responsive Figma mobile UI/UX design prototype (iOS HIG & Material Design)
Unified React Native or Flutter cross-platform source code repository
Cloud backend API architecture (Node.js/Python, PostgreSQL/Supabase)
Secure user authentication (OAuth, Biometric FaceID/TouchID, Phone OTP)
Firebase Cloud Messaging & Push Notification system integration
Apple App Store & Google Play Store publishing configuration
100% full GitHub repository transfer with complete IP ownership
Technical documentation, API specs, and App Store Management video guide

❓ Mobile App Development & App Store Launch FAQs

Q: How much does it cost and how long does it take to build a mobile app?

Timelines depend on app features and complexity. A cross-platform MVP typically takes 6 to 12 weeks with packages starting from $2,500 to $5,000. Complex enterprise or on-demand platforms span 3 to 6 months.

Q: Should I choose Native (Swift/Kotlin) or Cross-Platform (React Native/Flutter)?

For 95% of business apps, SaaS companions, and e-commerce stores, Cross-Platform (React Native / Flutter) is the optimal choice as it cuts development cost by 40% while maintaining native 60fps performance across iOS and Android.

Q: Will a single codebase run on both iOS and Android phones?

Yes! Using React Native or Flutter, we write a single unified codebase that compiles natively into both Apple iOS App Store (.ipa) and Google Play Store (.apk/.aab) binaries.

Q: Who owns the mobile app source code and developer accounts?

100% yes. We set up developer accounts directly under your organization's name (Apple Developer & Google Play Console) and transfer full Git source code repositories upon project completion.

Q: Who handles the submission process to Apple App Store and Google Play Store?

We manage the entire submission pipeline: preparing screenshots, writing privacy policies, setting up App Store Optimization (ASO), and handling reviewer questions until approval.

Q: How are app updates and maintenance handled after launch?

We offer dedicated Maintenance Retainers covering iOS/Android OS compatibility updates, third-party SDK patches, server monitoring, and bug fixes so your app never crashes.

Q: We only have a conceptual app idea. Can you help us design and scope it?

Yes! Our Paid Discovery phase translates your app concept into interactive Figma UI prototypes, database schema diagrams, and technical feature specifications.

Q: Will our app idea and proprietary algorithms remain confidential?

Yes. We sign a standard Non-Disclosure Agreement (NDA) before discussing sensitive project scope, wireframes, or business logic.

READY TO BUILD & LAUNCH YOUR MOBILE APP?

• AVAILABLE FOR PROJECTS • LET'S TALK

Book a free strategy audit call and discover how your business can save 20+ hours every single week.

Whether you need enterprise mobile app development services (ios & android), n8n & Zapier cloud orchestration, or custom AI integrations, MHKMarkedia engineers robust digital systems built for speed, conversion, and scale.