Cross-platform Mobile Development

Mobile apps designed for customers, teams and field operations

Create responsive, connected mobile experiences with Flutter, secure APIs, notifications and practical offline behaviour—built to work with the business systems behind them.

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Based in Kaduwela, Sri Lanka · Delivery for local and international projects

Cross-platform mobile application on smartphone and tablet connected to cloud business services — **Connected solution architecture**Designed around real users, systems and operating conditions

iOS + AndroidOne connected cross-platform product

API-connectedIntegrated with business data and services

Field-readyOffline behaviour planned where required

Solution overview

The mobile experience and the operating system behind it

A reliable app needs more than screens. We design the mobile interface, backend services, authentication, data synchronisation, notifications and release path as one product so it works in real operating conditions.

Architecture aligned to your current systems and future roadmap
Responsive experiences for desktop, tablet and mobile workflows
Clear delivery stages, integrations and acceptance criteria

What we deliver

Core mobile apps capabilities

A focused delivery scope can combine the capabilities below or start with the highest-priority operational need.

Cross-platform application delivery

Build a consistent product for iOS and Android with a shared Flutter codebase and platform-aware behaviour.

Flutter application engineering
Responsive phone and tablet layouts
Release preparation

Backend and system integration

Connect the app to secure services, business data and existing platforms through clear API boundaries.

REST API integration
Authentication and permissions
ERP and platform connectivity

Engagement and field operation features

Support timely action with notifications, local data, media capture and workflows suited to mobile use.

Push notifications
Offline-aware workflows
Location and device capabilities where required

Where it fits

Practical use cases for mobile apps

Examples of the operational problems this solution can be designed to support.

Customer service applications

Provide booking, account, request or service functions through a focused mobile experience.

Field workforce tools

Support staff completing tasks, collecting data and receiving updates away from the office.

Operational companion apps

Bring selected ERP, monitoring or platform functions to managers and mobile teams.

Data and alert applications

Deliver live status, predictions and notifications from connected IoT or business systems.

Technology reveal

A modern stack selected around the solution

Technology choices are made around integration needs, data boundaries, operating conditions and the team that will maintain the system—not a one-size-fits-all checklist.

Application

FlutterDartResponsive UIPhone and Tablet Layouts

Cloud services

FirebasePush NotificationsSecure APIsAuthentication

Integration

REST APIsERP ConnectivityData SynchronisationMedia Workflows

Intelligence

Python ServicesML PredictionsOperational AlertsAnalytics

Delivery approach

From business need to production operation

A staged path keeps the important decisions visible and gives teams review points throughout delivery.

01
Discovery and technical review
We map the business goal, current systems, available data, users, risks and practical constraints before recommending an approach.
02
Architecture and delivery plan
The solution is broken into clear modules, integrations, milestones and acceptance criteria so the delivery path stays visible.
03
Build, integrate and validate
We develop in reviewable stages, connect the required systems and validate the important workflows, security controls and edge cases.
04
Launch and continuous improvement
After release, we support production use, monitor the system and improve it using real operational feedback.

Delivered work

Related projects from the Keen Systems portfolio

Published work that demonstrates relevant technology or workflow experience.

Smart Agri-Suite Mobile App for Smart Agri Research Team — Smart Agri Research TeamSmart Agri-Suite Mobile App
A farmer-support application for spice farming with forecasting, stock alerts, machine learning predictions and notifications.
FlutterFirebasePython MLLightGBM

Answer-ready guidance

Frequently asked questions about mobile apps

Clear answers to the questions teams commonly ask before scoping a project.

Do you build for both iOS and Android?

Yes. We use Flutter for cross-platform delivery, allowing a shared product codebase while still accounting for platform-specific behaviour and release requirements.

Can the app connect to our existing backend or ERP?

Yes. We can integrate with existing APIs and data services, including Keen Systems ERP / ePOS where the required integration endpoints and scope are available.

Can a mobile app work with unreliable connectivity?

Where the workflow requires it, we can design local storage, queued actions and later synchronisation. Offline behaviour must be planned carefully because conflict handling and data sensitivity vary by use case.

Do you support app-store release?

Release preparation can be included in the project scope. Store accounts, policies, review requirements and final approval remain controlled by Apple and Google.

Explore the ecosystem