Trusted by 100+ Mumbai & Navi Mumbai brands for high-performance Android & iOS apps.
As a trusted mobile app development company in Mumbai, Eiosys specializes in building Android and iOS apps that drive business growth. Whether you’re building an app to boost sales, simplify operations, or deepen customer loyalty, we can also create custom apps tailored to your goals.
Today, Indian users are spending approximately 5 hours on their smartphones. 90% of time spent on mobile is spent within the apps. If you are not building a mobile app, you are leaving money on the table.
At Eiosys, our app developers combines smart strategy, sleek design, and cutting-edge technology to bring your vision to life.
Why Eiosys?
# 15+ years of delivering apps across industries
# Complimentary consulting to plan your app’s architecture
# Free design of 5 custom app screens
# Get a detailed proposal within 2 hours
# Complete in-house team that does not compromise on quality
Indian consumers spend nearly 5 hours daily on their smartphones, and 90% of that time is spent using mobile apps. If your business isn’t capturing this attention, you’re missing valuable revenue.
At Eiosys, we help businesses across Mumbai and beyond build robust Android and iOS apps tailored for maximum engagement and profitability. We turn innovative ideas into powerful digital experiences that drive sales, streamline operations, and foster lasting customer loyalty.
Ready to launch an app that sets your business apart? Let’s bring your vision to life.
Why Eiosys?
# 15+ years of delivering apps across industries
# Complimentary consulting to plan your app’s architecture
# Free design of 5 custom app screens
# Get a detailed proposal within 2 hours
# Complete in-house team that does not compromise on quality
Apps delivered
Avg. app rating
Projects Completed on Time
Features per Project
Businesses trust us! We’ve earned a 4.8-star rating on Clutch, 5 on Google, and 4.9 on Justdial with 100+ positive reviews.
Your business can be 24/7 accessible to customer if you have a place in their smartphone. It keeps your brand top-of-mind at all times.
For e-commerce and service-based businesses, a mobile app can be like a sales engine. According to a study, mobile apps have 3x more conversions than websites. With personalized shopping experiences, smooth checkout flows, and secure payments, you can drive higher conversions.
According to a study, businesses with a mobile app see a 20-40% increase in customer retention. Your mobile app can become a cornerstone of your retention strategy. From targeted promotions via push notifications (discount offers) to providing post sales updates, it provides valuable touchpoints that keep customers returning.
The more users interact with your app, the more familiar they become with your brand’s look, feel, and values, boosting recognition, recall, and trust.
As of 2024, 58% of small businesses did not have a mobile app and that’s your competitive advantage. A user-friendly mobile app makes your brand look professional, builds trust, and positions you ahead of the curve.
Looking to build an app for the masses? Android should be your go-to platform. As of June 2025, 95% of Indian users use Android OS. We have a proven track record of developing Android apps that are fast, smooth and built to scale, regardless of the industry.
Even though iOS has a smaller share in India (5% as of June 2025), its users are often the most valuable. We design iOS apps that offer a premium feel that reflects your brands positioning.
First impressions matter. That’s why we craft designs that are not just functional but also beautiful. We focus on smooth navigation, thoughtful layouts, and a seamless experience that keeps users coming back.
Before your app goes live, we run it through a rigorous testing process. From functional testing to performance and security checks, we leave no stone unturned. The result? An app that works perfectly from Day 1.
We integrate AI into your app to make it more user-friendly. Personalised recommendations, predictive analytics, AI-driven chat support, and many more such features can be incorporated.
With over 15 years of experience in providing app development services, we have developed 200+ apps for brands across industries and sizes. Our in-house team of developers, designers, testers, and ASO experts ensures end-to-end control and quality.
We go beyond the basics. Through our AI-powered app development service, we build apps that learn, adapt, and evolve.
Every app we build goes through rigorous testing to ensure it’s smooth, stable, and secure. We focus on usability, performance, and data protection, so your users have a flawless experience from the very start.
We offer continuous monitoring, timely updates, and ASO (App Store Optimization) to keep your app visible, relevant, and up-to-date.
We focus on adding value, and hence, our pricing is fair and transparent. That’s why we’re trusted by manufacturers, corporates, MSMEs, and startups alike.
Our apps are scalable and built for growth. Our architecture ensures your app can easily scale as your user base grows, helping your business adapt and thrive.
We use advanced app development tools like Flutter, Swift, Kotlin, and the latest AI-powered app development frameworks to build fast, scalable, and future-ready apps.
We follow Agile methodology, giving you regular updates, room for feedback, and full visibility into your project.
As a trusted mobile application development company in Mumbai, we enhance eCommerce sales by developing custom mobile apps with user-friendly features and secure payment gateways, ensuring customers enjoy a seamless shopping experience.
Your business can be 24/7 accessible to customer if you have a place in their smartphone. A mobile app places your brand within arm’s reach of your customers, keeping you visible and accessible at all times, even when offline.
Use your mobile app to foster stronger connections with your customers through personalized content and interactive features.
Regular interactions through your app increase your build loyalty, transforming first-time users into lifelong customers.
Offer rewards and incentives through your app to thank customers for their loyalty, encouraging repeat business and deeper engagement.
Mobile app can play a pivotal role in customer loyalty and retentions. With features like push notifications, you can offer discount coupons, freebies to retain customers and keep them coming to your store! App can be your go-to channel for post-sales service and retention.
We have mastered the skill of using the android and iPhone’s hardware and software attributes. Our team uses it to craft next-gen features in your android or iOS app.
These attributes include GPS location, motion sensor, fingerprint, camera, microphone, notifications, in-app billing, etc. Since we usually design the backend and the APIs required for these apps, our team knows exactly how to utilize the mobile’s capabilities to the fullest to craft a unique experience. We also specialize in Hybrid mobile app development. Our team uses both Android and iOS features to create seamless cross-platform experiences.
Our apps have been featured multiple times in the App Store. They have received appreciation from industry leaders too. We are recognized as the top mobile app developers in Mumbai by multiple review agencies.
We begin by understanding your business goals, target audience, and competition. Through collaborative brainstorming sessions, we shape your app’s concept, define key functionalities, and identify both “must-have” and “nice-to-have” features. We also decide the right tech stack, set timelines, and map out the complete project roadmap.
Our team creates detailed wireframes and user flow diagrams to ensure your app feels intuitive and easy to navigate. This stage helps us visualize the user journey.
Our UI designers craft visually engaging interfaces that reflect your brand’s visual identity. Choosing the right color palette, font type and size, iconography. Logos and many other visual elements. Every screen is designed to captivate users and encourage interaction.
Using clean coding practices and the latest technologies (like Flutter, Swift, and AI frameworks), our developers build a secure, scalable, and high-performing application. We equip your app with the right third-party integrations, payment gateways, and backend functionalities as needed.
Our QA experts run multiple rounds of testing to ensure your app is bug-free, smooth, and secure. From performance and usability to compatibility and security checks, we leave no stone unturned.
We take care of the entire app deployment process. This includes preparing app store assets, handling submission guidelines, and ensuring compliance with both Google Play Store and Apple App Store requirements.
We monitor app performance, roll out timely updates, and offer ongoing maintenance to keep your app compatible with the latest OS versions. Based on user feedback, we also recommend feature upgrades to enhance the experience over time.
Through our app store optimisation service, we can help you track the organic visibility and reach of your app. We can also track user behaviour, retention, and conversion rates.
The cost of developing a mobile app depends on your specific goals and requirements. Here are factors affecting the cost:
Mubasshir Pawle oversees our mobile app development division. He has created and deployed hundreds of high-performing android and iOS applications using Flutter and Swift. He is skilled in designing and implementing complex apps that can handle high volumes of users and data. His leadership and technical expertise are critical to our success in mobile app development.
Saurabh Mishra is the first point of contact for our clients and plays a key role in driving project clarity and execution. He works from our Kalyan office and is available for in-person meetings every day. Saurabh specializes in crafting user flow diagrams, defining feature sets, and ensuring smooth coordination between design and development teams. His strategic approach and attention to detail help lay a strong foundation for successful mobile app projects.
Yes, we can help you revamp an existing app. This includes app redesign, performance optimisation, UI/UX improvements, ASO, and much more.
Yes. We help you implement monetization strategies such as in-app purchases, subscription models, freemium structures, or ad integration (like AdMob or Meta Audience Network).
We follow industry best practices like end-to-end encryption, secure API calls, authentication methods, and data validation on both client and server sides. We also comply with regulations like GDPR or HIPAA if your app handles sensitive data.
Yes, we provide regular demos during the development phase. This gives you early access to the app as it evolves, so you can suggest changes in real time.
App development timelines depend on the app’s complexity and features. Here’s a rough breakdown:
We follow Agile development and give you a clear timeline in our proposal.
Yes. Once the project is completed, we hand over the entire source code, API documentation, app assets, and credentials, giving you full ownership of your app.
Yes, we design apps that can be scalable. We use cloud infrastructure like AWS or Azure, optimizing backend architecture and applying caching, and database optimization. This ensures your app can handle traffic spikes without breaking.
Your dream app is just a form away. Share your vision with us, and our team will be in touch to make your app a reality. Let’s create something extraordinary together!
Your dream app is just a form away. Share your vision with us, and our team will be in touch to make your app a reality. Let’s create something extraordinary together!
