App Development Agency
Mobile App Development Company in India
GoMilestone is a mobile app development company based in Gurgaon, Delhi NCR, with 10+ years of experience serving businesses across India and worldwide. We build custom Android, iOS and cross-platform apps, offering consultancy, app designing, backend development, integrations and ongoing support.
Our Clients Across Industries
Our mobile app development clients include startups, growing businesses, and established enterprises across India and international markets.
Years Experience
In-House Experts
App Projects Delivered
Countries
Our Services
Mobile App Development Services
We provide complete mobile application development services from idea validation and UI/UX design to development, testing, deployment, and long-term support.
iOS App Development
Custom iOS applications built using Swift and modern Apple technologies to deliver secure and high-performance mobile experiences.
Explore ServiceAndroid App Development
Scalable Android applications designed to work smoothly across a wide range of devices and operating system versions.
Explore ServiceCross-Platform App Development
Mobile applications built using frameworks like Flutter and React Native that work efficiently on both iOS and Android platforms.
Enterprise Mobile Applications
Secure enterprise-grade mobile solutions designed to streamline internal operations and improve business productivity.
Mobile App UI/UX Design
User-centric app design focused on intuitive navigation, engaging interfaces, and seamless user experiences.
Explore ServiceApp Maintenance & Support
Ongoing updates, performance optimization, bug fixing, and feature enhancements to ensure your app remains reliable and scalable.
Why Choose GoMilestone for Mobile App Development?
We combine business understanding, custom app development and ongoing support to build Android and iOS applications around your users and operations.
Planning Before Development
We help define your app’s features, user journeys, integrations and scope, giving you a clear development plan before coding begins.
AI-Assisted Development
Our developers use AI-assisted tools for coding, debugging and testing, supported by developer reviews and quality checks throughout the project.
App and Backend Expertise
We develop mobile apps, backend systems and admin panels, with integrations for payments, notifications, CRM and other business tools.
Transparent Communication
Stay involved through regular progress updates, working demos and milestone reviews, with clear visibility into priorities and next steps.
Device Testing and Launch Support
We test functionality, performance and compatibility across agreed devices and OS versions, then support Google Play and App Store submission.
Ongoing Maintenance and Support
Keep your app updated with bug fixes, security updates, performance monitoring and feature enhancements as your business grows.
Our Expertise
Mobile App Development for Your Industry
We build custom Android and iOS apps tailored to your customers, business workflows and integration needs, helping you deliver better services and simplify daily operations.
Need a mobile app tailored to your industry? Let’s discuss your users, workflows and integration requirements.
Flexible Engagement Models
Choose Your App Development Model
Choose a fixed-price project, flexible hourly engagement or dedicated mobile app development team to suit your features, budget and launch plans.
Defined Scope
Fixed Price Model
For Android and iOS app projects with agreed features, integrations and deliverables before development begins.
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Defined app features and platforms
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Agreed budget and delivery milestones
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Milestone-based reviews and payments
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App testing and launch support
Flexible Scope
Time & Material
For mobile apps with evolving requirements, allowing you to refine features and priorities as development progresses.
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Flexible features and integrations
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Pay for actual development hours
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Regular app demos and progress reviews
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Prioritise updates based on feedback
Long-Term Collaboration
Dedicated App Development Team
Work with dedicated mobile app developers to build, maintain and expand your application as your business grows.
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Developers matched to your app's technology
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Direct communication and planning
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Monthly billing and resource allocation
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Ongoing development and improvements
Not sure which model suits your project?
Our Process
Our Mobile App Development Process
We take your app from idea to launch with clear milestones, custom designing, Android and iOS development, device testing, app store submission and ongoing maintenance.
01
Discovery & App Planning
- Business goals and users
- Feature prioritisation
- Platform selection
- Scope and milestones
02
Mobile App UI/UX Design
- User journeys
- Wireframes
- Interactive prototypes
- Design review
03
App & Backend Development
- Mobile features
- Backend and admin panel
- API integrations
- Notifications and workflows
04
App Testing
- Functional testing
- Device and OS compatibility
- Security and performance
- User acceptance testing
05
Store Submission & Launch
- Production setup
- Store listing preparation
- App submission and review support
- Launch monitoring
06
Maintenance & Improvements
- Bug fixes
- OS compatibility updates
- Performance monitoring
- Feature enhancements
Our Work
Featured Mobile Apps in Our Portfolio
Browse selected iOS, Android and cross-platform applications designed and developed by GoMilestone for startups, SMEs and enterprises.
Let's Discuss Your Mobile App
Planning an Android, iOS, or cross-platform app? Share your requirements and we'll outline the features, platforms, timeline, and cost.
- Free App Consultation
- Clear Project Scope
- No-Obligation Quote
Clients Across 15+ Countries
Supporting startups, growing businesses, and enterprises with Android, iOS, and cross-platform app development.
Request a Mobile App Quote
Got Questions?
Frequently Asked Questions
Everything you need to know about our mobile app development services
The development timeline depends on the scope of the project.
- Basic apps : 4–8 weeks
- Medium apps : 2–4 months
- Advanced apps : 4–6+ months
This includes design, development, testing, and deployment.
Native apps provide better performance and user experience, while cross-platform apps are cost-effective and faster to develop. The choice depends on your business goals, budget, and scalability requirements.
Yes, we work with startups, SMEs, and enterprises, helping them build scalable and high-performance mobile applications tailored to their business goals.
We use modern technologies such as Flutter, React Native, Swift, Kotlin, and robust backend frameworks to build secure and scalable applications.
Yes, we offer ongoing support, maintenance, and upgrades to ensure your app remains secure, updated, and performs efficiently as your business grows.
With 10+ years of experience, 100+ in-house experts, and clients across 15+ countries, we deliver scalable, secure, and high-performance mobile applications aligned with business needs.
The cost of mobile app development in India typically ranges based on features, complexity, and platform.
- Basic apps (MVP) : ₹1,00,000 – ₹10,00,000
- Medium complexity apps : ₹10,00,000 – ₹25,00,000
- Advanced / enterprise apps : ₹25,00,000 – ₹40,00,000+
The final cost depends on your exact requirements, integrations, and scalability needs. We recommend a consultation for a tailored estimate.
We work as both — a full-service mobile app development agency with 100+ in-house developers, designers, and engineers. Unlike a freelance marketplace, every mobile app developer on our team works in-house under one roof, giving you agency-level process with direct developer access from day one.


