Premium Android & iOS mobile applications built with Flutter and React Native — stunning micro-animations, blazing performance, and seamless UX. From wireframes to Play Store & App Store publishing.
Whether you need a simple business app for internal teams or a complex multi-tenant marketplace with real-time data sync — we scope, design, and engineer it end-to-end using Flutter and React Native for true cross-platform excellence.
AI-powered learning apps, exam portals, quiz platforms, and student performance trackers for schools and coaching institutes.
Full-featured product catalogs, cart, Razorpay/Stripe checkout, vendor dashboards, and real-time order tracking.
Appointment booking, teleconsultation, patient records, prescription management, and insurance claim integration.
GPS-tracked live delivery maps, proof-of-delivery capture, route optimization, and driver assignment dashboards.
Wallet apps, UPI / IMPS transaction flows, credit scoring, loan management, and secure biometric authentication.
Real-time chat using WebSockets, user profiles, follower feeds, push notification campaigns, and media uploads.
Workout trackers, calorie counters, wearable sync (Google Fit / Apple HealthKit), and AI coaching modules.
Internal CRM apps, sales force automation, inventory scanners, role-based access, and offline-first field tools.
Browse our published apps directly on Google Play Store. Real apps, real users, real ratings — built and maintained by the JSI team.
We are a verified developer on the Google Play Store. Our published apps serve thousands of users across schools, businesses, and institutions in India. Click below to explore all our live Android applications.
Every app we build follows a structured, transparent process — from the first discovery call to post-launch support. No surprises, no scope creep. Just great apps, delivered on time.
We conduct a deep-dive discovery session to understand your users, goals, monetization model, and technical constraints.
Interactive Figma prototypes are designed and reviewed with you before a single line of code is written.
Our developers build using clean, tested, modular code — with biweekly demo builds shared for your review.
Secure REST APIs, Firebase / custom backends, payment gateways, WhatsApp Business, and push notification layers are integrated.
Rigorous manual and automated testing across real Android and iOS devices — checking edge cases, performance, and security.
We handle Google Play Console and App Store Connect submissions, review responses, and post-launch monitoring for 30 days.
These are not add-ons — they're non-negotiables. Every app we deliver ships with the following capabilities baked in.
GPU-accelerated animations and micro-interactions that feel native on both platforms.
Firebase Cloud Messaging integrated for smart alerts, promotional campaigns, and transactional messages.
Core features work without internet. Data syncs automatically when connectivity is restored.
Face ID, fingerprint unlock, and PIN fallback for secure, frictionless user login.
Real-time geolocation, maps integration (Google Maps / Mapbox), and geofencing alerts.
Full i18n support — build apps that speak your user's language, including Hindi and regional languages.
Razorpay, Stripe, Google Pay, and Apple Pay fully integrated with subscription and one-time payment flows.
HTTPS, JWT authentication, encrypted local storage, OWASP Mobile Top 10 compliance, and certificate pinning.
Firebase Analytics, Mixpanel, or Amplitude integration for real-time user behaviour and funnel insights.
Tell us your idea and get a free project estimate within 24 hours. We handle everything — design, development, testing, and publishing.