APP_01
Cross-Platform Efficiency
Single codebase compilation for iOS and Android via React Native and Flutter. Get to market twice as fast while maintaining 60 FPS native UI fluidity.
02 / ENGINEERING
Mobile App Development
Cross-platform Flutter and React Native mobile applications with offline caching, push triggers, and smooth onboarding.
Engineering Architecture
Robust cross-platform systems without performance compromises.
APP_02
Offline-First & Low Bandwidth
Local SQLite/WatermelonDB state caching ensuring customers can browse catalogs and access core functionality even with patchy Tier-2/Tier-3 connectivity.
APP_03
Frictionless Indian Rails
One-tap Truecaller & SMS OTP authentication, Razorpay SDK mobile intents, native UPI deep-linking, and WhatsApp transaction alert integrations.
Mobile Lifecycle Deliverables
From API blueprint to App Store feature.
- [✓]Custom REST & GraphQL APIs: Node.js / Python server architectures with Redis caching and JWT authentication.
- [✓]Push Notification Triggers: Segmented engagement sequences using Firebase Cloud Messaging (FCM) and OneSignal.
- [✓]Crashlytics & APM Monitoring: Real-time crash tracking, memory leak profiling, and app bundle size optimization.
- [✓]App Store Compliance: Full execution of Apple App Review and Google Play Data Safety documentation.
App Tech Stack
Mobile engineering technologies.
Framework
Flutter (Dart)
Framework
React Native (TS)
Backend
Node.js / Express
State
Redux / Zustand
Cloud DB
PostgreSQL / MongoDB
Notifications
Firebase (FCM)
Auth / Identity
Truecaller / OTP
Analytics
Mixpanel / GA4
App FAQs
Frequently asked mobile development questions.
Flutter is exceptional for complex animations and uniform UI widgets across devices, while React Native is ideal if your team already has React web developers and needs deep native third-party bridge integrations.
We offer monthly maintenance SLAs to test against new iOS and Android API deprecations, security patches, and SDK library updates.
Launch Your Mobile Product
Ready to turn your mobile concept into a top-rated app?
Connect with our lead mobile architects for a complete timeline and milestone breakdown.
Connected Disciplines
The rest of the growth engine.
Each discipline is engineered to work with the others, not beside them.
01 / ARCHITECTURE
Web Development
Custom WordPress, WooCommerce, and headless Next.js platforms engineered for sub-second speeds and high transactional conversion.
03 / AUTONOMOUS AI
AI & Automation
24/7 WhatsApp conversational sales agents, Make.com/n8n multi-app webhook pipelines, and internal document search (RAG).
04 / VISIBILITY
Technical SEO Marketing
Granular Schema.org structured data, Core Web Vitals optimization, and high-intent commercial keyword authority clusters.
05 / PERFORMANCE
Google Ads (PPC)
High-ROI Search, Performance Max, and remarketing campaigns structured with server-side conversion tracking to prevent wasted spend.
06 / RETENTION
Social Media Growth
Short-form video reels, B2B LinkedIn executive ghostwriting, and Click-to-WhatsApp Meta advertising funnels.
07 / IDENTITY
Branding & UI/UX
Comprehensive Figma component libraries, responsive design systems, vector logos, and frictionless checkout user flows.
Start Your Project
Let’s engineer your company's growth engine.
Submit your project details and custom budget for an actionable technical breakdown and a transparent fixed-price estimate within 24 to 48 hours.
Direct Email
marketing@onxdigital.com
Locations
Serving North America, Europe, MENA, APAC & Worldwide
Payment Rails
Stripe, Bank Wire, Wise, Corporate Card & Multi-Currency Invoicing
Response Time
Within 24 business hours guaranteed