Best Mobile App Development Company in Kolkata (Custom Android & iOS App Solutions)
Get scalable,high-performance, and user-friendly mobile applications built by a professional mobile app development company in Kolkata trusted by different types of businesses such as startups, small businesses, enterprises, and fast-growing brands.
We not only build Android and iOS but also Hybrid applications that help you generate more clients, accelerate engagement, and grow your business online.
Professional Android, iOS & Hybrid App Development for Kolkata Businesses
- Custom UI/UX for better engagement
- Fast, secure & scalable apps
- Play Store & App Store deployment
- Local support in Kolkata
Starts from ₹25000 only
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Why Choose AS Webmarketings as Your Mobile App Development Company in Kolkata?
Selecting the right mobile app Design and development company in Kolkata can determine the success of your digital business. With years of proven professionalexperience, advanced technical proficiency, and a local audience-focused approach, AS Webmarketings delivers apps that perform flawlessly and grow with your business.
What Makes Us the Best?
💠15+ Years of Development Experience
💠Custom Android & iOS App Solutions
💠Expert UI/UX Designers & App Developers
💠Fast Delivery & Transparent Pricing
💠Dedicated Project Manager
💠Secure, scalable, future-ready apps
💠Full support for Play Store & App Store
We understand the needs of local businesses better than anyone — because we work with Kolkata-based local businesses every day.
Our Mobile App Development Services in Kolkata
We offer end-to-end app development services to support every type of business and industry.
Android App Development
Are you looking for a reliable yet affordable Android app development company in Kolkata that not only delivers performance-driven and modern appsbut also scalable apps?
We aredeveloping Android applications that work smoothly on all devices — from entry-level smartphones to high-end Android systems.
Our team uses Kotlin, Java, Jetpack, MVVM architecture, and modern Android libraries to ensure your app is fast, secure, and future-ready.
What You Get With Our Android App Development Services:
- Smooth Performance:Apps are optimized for speed, performance, and low battery consumption.
- Custom UI/UX Design:Beautiful, intuitive, and user-friendly interfaces designed for maximum engagement.
- API Integrations:We integrate third-party APIs, payment gateways, maps, chat systems, CRMs, and more.
- Secure Coding Practices:Apps built with advanced security layers, data encryption, and secure APIs.
- Play Store Optimization & Deployment:We handle everything — app listing, keywords, screenshots, ASO, and Play Store compliance.
- Compatibility Across Devices:Apps are tested thoroughly on multiple screen sizes and Android versions.
- High Scalability:Apps built to grow easily as your business expands.
Perfect for:Businesses, startups, e-commerce brands, service providers, educational institutions, and entrepreneurs are looking to reach millions of Android users in India.
iOS App Development
We build high-quality, high-performance iOS applications using Swift, SwiftUI, Objective-C, and Xcode, ensuring a premium experience for the users along with smooth navigation and flawless performance.
Our iOS apps deliver a superior feel that matches the stringent design and quality standards of Apple.
Why Choose Our iOS Development Services:
As a leading app UI/UX design company and trusted mobile application development company, we deliver premium iOS experiences tailored for businesses across Salt Lake, New Town, Park Street, Behala, and beyond.
- High-End UI/UX: We design elegant, intuitive interfaces that fully align with Apple’s Human Interface Guidelines, ensuring every screen feels smooth, modern, and user-friendly.
- Fast & Stable Performance: Our apps feature fluid animations, responsive gestures, and exceptional stability across all iOS devices.
- Advanced Security: From end-to-end encryption to secure APIs and multi-layer authentication, we build apps that protect your users and your business.
- App Store Compliance: Every app is thoroughly optimized to meet App Store Review Guidelines, reducing the risk of rejection.
- Optimized for Latest Devices: We ensure compatibility with the newest iPhones, iPads, and upcoming iOS versions.
- Custom Functionality: Whether you need AR features, location-based services, or advanced eCommerce capabilities, we create tailored mobile app development solutions that drive real results.
Ideal for:
Premium brands, startups, businesses targeting Apple users, and companies that want a powerful, high-value mobile presence.
Hybrid & Cross-Platform App Development (Flutter/React Native)
Want one app that works on both Android & iOS?Our Flutter and React Native solutions offer an affordable, fast, and high-performance development approach.
Build once → Launch everywhere → Reduce cost → Increase efficiency
Benefits of Hybrid App Development:
Hybrid app development offers one of the smartest and most cost-efficient ways to develop powerful mobile applications for rising businesses. With a single codebase powering both Android and iOS, you save significant time without compromising on quality or performance.
- Faster Development: There’s no need to build two separate apps. Hybrid frameworks speed up the entire process, helping you launch 40–60% faster.
- High Performance: Modern technologies like Flutter and React Native deliver near-native performance, smooth interfaces, and responsive animations.
- Lower Cost: Using one unified codebase dramatically reduces development, testing, and long-term maintenance costs.
- Consistent Design Across Platforms: Your users get a uniform, seamless UI/UX whether they’re on Android or iOS.
- Multi-Platform Support: Hybrid apps adapt easily to various devices, screen sizes, and operating systems.
- Realtime Updates (OTA): Push instant updates without waiting for app store approvals, especially with React Native.
- Scalable Architecture: Built to handle growth effortlessly as your user base expands.
Hybrid apps are ideal for e-commerce, food delivery, education, healthcare, booking platforms, and on-demand businesses looking to scale quickly and efficiently.
Custom Mobile App Development
As a leading mobile application development company and trusted app development agency in Kolkata, we create fully customized apps tailored to your business model, target audience, and long-term growth goals. Whether you’re running a real estate agency in Salt Lake, managing a salon in Park Street, handling an education institute in New Town, operating a healthcare clinic in Behala, or building an eCommerce brand in Tollygunge or Howrah, our expert app developers in Kolkata craft solutions that fit your goals perfectly.
Every project begins with deep idea validation, strategic planning, and premium mobile app design and development. From UI/UX, backend architecture, testing, deployment, to long-term support — our team handles everything end-to-end.
We Build Custom Apps Like:
- Marketplace Apps: Multi-vendor platforms similar to Amazon or Flipkart.
- Booking & Appointment Apps: Ideal for clinics, salons, spas, tutors, hotels, and fitness centers.
- On-Demand Delivery Apps: Food, grocery, courier, and pharmacy delivery systems.
- FinTech & Loan Apps: UPI integration, KYC, secure payments, EMI calculators, digital wallets.
- Healthcare Apps: Telemedicine, patient portals, clinic booking systems.
- Real Estate Apps: Listings, map search, virtual tours, agent dashboards.
- Streaming & eLearning Apps: OTT-style platforms and digital content apps.
- Custom CRM, ERP & Business Apps: Workflow automation and enterprise tools.
Our custom mobile app development solutions are built with scalable architecture, smooth performance, and enterprise-grade security.
Mobile App UI/UX Design
Your app’s success depends heavily on how easy and enjoyable it is to use.
That’s why our UI/UX team creates visually appealing, intuitive, and conversion-optimized app interfaces.
What We Include in Our App UI/UX Design:
- User Research & Persona Mapping
- Brand-Aligned Design Concepts
- Wireframes & Prototypes
- Modern UI Layout & Navigation
- Gesture-Based Interactions
- Custom Icons, Buttons & Graphics
- Color Psychology Integration
- High-Contrast & Accessible Design
- Usability Testing
Our design philosophy is simple:
Make it beautiful. Make it simple. Make it easy. Make it effective.
A good UI/UX increases conversion rates, boosts engagement, and reduces uninstall rates.
Mobile App Maintenance & Support
Your app needs continuous improvement to stay fast, secure, and compatible with new devices and OS updates.We provide full maintenance and ongoing support to ensure your app always performs smoothly.
Our App Maintenance Services Include:
- Regular Updates & Version Upgrades:Ensuring compatibility with latest Android & iOS versions.
- Bug Fixes & Troubleshooting:Quick identification & resolution of issues.
- Performance Optimization:Speed tuning, memory optimization & server performance.
- Security Monitoring:Vulnerability checks, secure API updates, data protection.
- UI/UX Enhancements:Incremental improvements based on user behavior.
- Play Store & App Store Compliance Updates:Policy changes happen frequently — we keep your app compliant.
- New Feature Addition:Scale your app with new functionalities as business grows.
- 24×7 Technical Assistance:Priority support for immediate issues.
Maintenance ensures your app remains relevant, fast, secure, and stable — even years after launch.
Our App Development Process (Step-by-Step)
As a trusted mobile application development agency, we follow a structured, result-driven procedure to ensure every app is built with precision, quality, and long-term scalability. Our workflow is designed to give clients complete clarity while ensuring that our team delivers high-performance digital products that users love.
1. Requirement Analysis
We begin by understanding your business model, target audience, industry requirements, and long-term goals. This helps us craft the right strategy before development begins.
2. UI/UX Design
Our expert designers create wireframes, interactive prototypes, and visually compelling screens following modern design principles. As an experienced app UI/UX design company, we focus on clean layouts and intuitive user journeys.
3. Backend Architecture
We architect the database, build secure APIs, set up servers, and ensure the backend is strong enough to support growth and high traffic.
4. Mobile App Development
Our app developers in Kolkata write clean, optimized code for Android, iOS, or hybrid frameworks—ensuring top-notch performance across all devices.
5. Testing & QA
We run multi-device testing, bug detection, security checks performance analysis to guarantee a seamless user experience.
6. Deployment
We launch your app on:
✔ Google Play Store
✔ Apple App Store
7. Support & Maintenance
We provide continuous updates, performance improvements, feature enhancements, and security monitoring to keep your app running flawlessly.
Industries We Serve in Kolkata
We develop powerful, high-performance mobile applications for businesses across Kolkata’s most active and fast-growing industries. Whether you’re a startup, SME, or an established enterprise, our apps are designed to solve real problems, improve customer experience, and drive measurable business growth.
Kolkata is a diverse market, and each industry has unique challenges. Our team understands these micro-challenges and develops industry-ready mobile applications that deliver real results.
Healthcare & Clinics
Healthcare in Kolkata is evolving rapidly, and patients now prefer faster, digital-first solutions.
We build apps that simplify patient management and improve healthcare service delivery.
Apps we develop for healthcare:
- Appointment booking apps
- Telemedicine & video consultation apps
- Clinic scheduling systems
- Patient record management
- Prescription & lab report apps
- Health tracking & wellness apps
Benefits:
- Improved doctor-patient communication
- Faster appointment process
- Paperless management
- Higher patient retention
- 24×7 accessibility
Our healthcare apps help clinics, diagnostic centers, and medical professionals manage everything smoothly, ensuring convenience for patients across Kolkata.
Restaurants & Food Delivery
From local cloud kitchens in Behala to fine-dining restaurants in Park Street, every food business today needs its own mobile ordering system to compete with delivery aggregators.
Restaurant & food delivery app solutions:
- Food ordering apps
- Real-time delivery tracking
- Table reservation apps
- Digital menus
- Loyalty programs
- Multi-outlet management
Benefits:
- Zero commission compared to Swiggy/Zomato
- Direct customer relationship
- Higher repeat orders
- Smart promotion & push notifications
Our apps help Kolkata restaurants increase revenue while offering customers a seamless ordering experience.
Retail & Ecommerce
Kolkata’s retail market is booming with local businesses shifting online. We build visually rich, secure, and fast ecommerce apps that drive sales and improve customer shopping experience.
Ecommerce app features:
- Product catalog with smart filters
- Wishlist, cart & checkout
- Secure payment gateways
- COD integration
- Multi-vendor marketplace
- Discount coupons & promotions
- Review & rating system
Benefits:
- Sell 24×7 across Kolkata
- Reduce operational cost
- Increase customer retention
- Real-time inventory updates
Whether you run a boutique in Gariahat or a wholesale store in Burrabazar, an e-commerce app can transform your business.
Real Estate & Property
Kolkata’s real estate sector thrives on convenience and accessibility. We create user-friendly property apps that allow buyers and tenants to explore listings in seconds.
Property app features:
- Property listing & advanced search
- GPS-based area search
- Virtual tours
- Agent/broker dashboards
- Lead management
- Enquiry forms & call-to-action buttons
Benefits:
- More leads from high-intent users
- Easy property discovery
- Streamlined buyer-agent communication
Perfect for real estate agents, builders, and property consultants across Kolkata.
Education & Coaching Centres
Kolkata has one of the strongest education markets in India. From coaching centers in Salt Lake to online tutors, everyone needs a digital learning system.
Education app solutions:
- Online course apps
- Live class & video streaming apps
- Student progress tracking
- Test & quiz modules
- Attendance systems
- Homework & assignment apps
- Online fee payment
Benefits:
- Supports hybrid learning
- Better student engagement
- Easy content delivery
- Track student performance
Ideal for schools, coaching centers, online educators, and institutions in Kolkata.
Finance & Loan Apps
We build secure, compliant, and stable financial applications for fintech startups and financial service providers.
Finance app solutions:
- EMI calculators
- Loan processing apps
- Wallets & payment apps
- KYC verification
- Investment tracking apps
- Secure document upload
Benefits:
- Reduced manual work
- Faster loan approvals
- Improved customer trust
- Strong security with encryption
Perfect for NBFCs, fintech startups, accountants, and advisors.
Travel & Tourism
Kolkata’s tourism sector relies on fast communication, online booking, and digital service delivery.
We create travel apps that simplify trip planning and booking.
Travel app features:
- Tour package listing
- Travel booking
- Hotel booking integrations
- Itinerary planner
- Real-time travel updates
- Secure payments
Benefits:
- Better customer convenience
- Higher booking conversions
- Smooth travel management
Ideal for travel agencies, tour operators, and hospitality businesses.
Logistics & Courier
We help logistics companies manage delivery operations smoothly through smart mobile applications.
Logistics app features:
- Live GPS tracking
- Delivery agent app
- Route optimization
- Shipment scanning
- Proof of delivery
- COD management
- Warehouse stock management
Benefits:
- Increased delivery efficiency
- Reduced manual errors
- Lower operational cost
Suitable for courier services, transport companies, and e-commerce warehouses in Kolkata.
Startups & SMEs
Kolkata’s startup ecosystem is expanding rapidly. We support new and small businesses with scalable mobile apps that help them grow quickly.
Startup-focused app development:
- MVP (Minimum Viable Product) development
- On-demand service apps
- Marketplace apps
- Social networking apps
- Subscription apps
- Custom solutions
Benefits:
- Faster market entry
- Lower development cost
- Supports rapid scaling
- Attracts investors with strong product quality
We help startups turn their ideas into functional, revenue-generating apps.
Features We Build Into Your Mobile App
Depending on your requirements, we integrate:
- User-friendly UI
- Admin Dashboard
- Secure Login (OTP/Email)
- Payment Gateway
- GPS & Location Services
- Push Notifications
- In-app Chat
- Image/Video Upload
- Multi-language Support
- Analytics Integration
- User Roles
- Cloud Database
We build apps that are easy to use, fast to load, and built to convert.
Our Technology Capabilities
Flutter App Development
Apache Cordova App Development
React Native App Development
Node Js App Development
Figma App Development
Why Your Business Needs a Mobile App in 2025
In 2025, more than 80% users prefer apps over websites. A mobile app helps you:
- Increase customer engagement
- Reduce marketing cost
- Improve brand visibility
- Offer faster communication
- Build customer loyalty
- Automate business processes
- Sell products 24/7
- Expand your business reach
Mobile App Development Cost in Kolkata (2025 Pricing)
| App Type | Price Range | Best For |
|---|---|---|
| Basic App (Template Based) | ₹25,000 – ₹60,000 | Simple informational or small business apps |
| Standard Custom App | ₹50,000 – ₹1,20,000 | Service businesses, booking apps, directory apps |
| Advanced App (Custom Features) | ₹1,20,000 – ₹3,00,000 | On-demand, ecommerce, logistics, fintech, marketplaces |
| Ecommerce Mobile App | ₹50,000 – ₹2,00,000+ |
Cost varies based on:
|
You pay for performance, reliability & long-term ROI — not for quick shortcuts.
Why We Are the Best Mobile App Development Company in Kolkata
| Features | AS Webmarketings | Other Companies |
|---|---|---|
| Custom UI/UX | ✔ Yes | ✘ Mostly Templates |
| Fast Loading Apps | ✔ Optimized | ✘ Basic Setup |
| SEO-Friendly App Content | ✔ Included | ✘ Not Included |
| Transparent Pricing | ✔ Always | ✘ Hidden Charges |
| App Store Optimization | ✔ Included | ✘ Rare |
| Local Support | ✔ Kolkata Team | ✘ Outsourced |
| Advanced Security | ✔ Included | ✘ Basic Only |
| Regular Updates | ✔ Yes | ✘ Limited |
| Consultation | ✔ Free | ✘ Paid |