How long does app store approval usually take?

Apple's review typically takes a few days, while Google Play is often faster, though both can take longer if the app touches sensitive permissions or payments. We prepare submissions against current guidelines to minimize the chance of rejection.

Can you rebuild our existing app instead of starting from scratch?

Yes, we regularly take over apps built by other teams, assess the existing codebase, and decide whether to refactor or rebuild based on its condition. We give you an honest recommendation rather than defaulting to a full rewrite.

Do you handle ongoing app maintenance after launch?

Yes, mobile operating systems update frequently and apps need regular maintenance to stay compatible. We offer ongoing support plans to handle OS updates, bug fixes, and small enhancements after launch.

Technology Service

Mobile App Development

We build mobile applications that customers and employees actually want to use, from concept through App Store and Play Store launch. Every build balances native performance with a shared codebase to keep long-term maintenance manageable.

Discuss Mobile App Development

Who It's For

Built For Teams Like Yours

Companies launching a customer-facing app for the first time

Businesses digitizing a field service, delivery, or sales workflow onto mobile

Startups building a mobile-first product as their core offering

Organizations replacing an outdated or unsupported legacy app

Teams that need a companion app to an existing web platform

The Problem

Business Problems We Solve

Field staff still rely on paper forms or phone calls instead of a mobile tool

An existing app has poor reviews due to crashes, slow performance, or a dated interface

Building separate native iOS and Android apps has become too costly to maintain

App store rejections and update delays are slowing down the release cycle

There is no mobile experience at all, and competitors already have one

What Quantum Altus Delivers

What You Get

UX flows and UI design for all core app screens

Cross-platform or native application build for iOS and Android

Back-end API and data layer to support the app

Push notifications, offline support, and device integrations as required

App Store and Google Play submission and release management

Crash monitoring and analytics instrumentation

Key Capabilities

Features & Capabilities

Cross-Platform Efficiency

We build with frameworks that ship to iOS and Android from a shared codebase where it makes sense, cutting development and maintenance cost. Where performance demands it, we build natively instead.

Offline-Capable by Design

Apps are built to remain functional with unreliable or no connectivity, syncing data once a connection returns. This matters for field teams and users in low-connectivity areas.

Push Notification Strategy

Notification flows are designed to drive engagement without becoming noise users disable. We plan triggers and timing as part of the UX, not as an afterthought.

Native-Feel Performance

Screen transitions, animations, and load times are tuned so the app feels native regardless of the underlying framework. Users should never notice a performance compromise.

App Store Compliance

Builds are prepared against current Apple and Google review guidelines to avoid submission delays. We manage the release process end to end, including certificates and provisioning.

Analytics and Crash Monitoring

Every release ships with crash reporting and usage analytics wired in from day one. This gives your team real data on adoption and stability after launch.

Technology

Tech Stack

React NativeSwiftKotlinFlutterNode.jsFirebaseGraphQLAWS AmplifyTypeScript

Benefits

Why It Matters

A mobile experience that matches the quality of your web and brand presence

Lower development cost through shared cross-platform code where appropriate

Field and sales teams equipped with tools that work in real-world conditions

Faster release cycles once the app store submission process is established

Real usage data to guide future feature investment

Reduced app abandonment through native-feel performance and design

Delivery Approach

How We Deliver This

Discovery

Define target platforms, core user flows, and device requirements

Design

Produce UX flows and UI design for all app screens

Build

Develop app and supporting APIs in iterative sprints

Test

Run device testing across target phones, tablets, and OS versions

Launch

Submit to App Store and Google Play and manage the review process

Support

Provide post-launch monitoring, updates, and OS compatibility maintenance

FAQ

Mobile App Development — FAQ

For most business apps, a cross-platform framework delivers the right balance of speed, cost, and quality across both iOS and Android. We recommend fully native development only when the app depends heavily on platform-specific performance or hardware access.

Explore More

Related Services & Products

Custom Software Development

Bespoke applications engineered around your exact processes, not the constraints of a packaged product.

Web Application Development

Fast, secure web applications built on modern frameworks, from customer-facing portals to internal operations tools.

API Development and Integration

Robust APIs and system integrations that connect your applications, data, and third-party services reliably.

SaaS Product Development

End-to-end SaaS product development, from MVP to a scalable, multi-tenant platform ready for paying customers.

Ready to talk about mobile app development?

Tell us about your project and we'll get back to you within one business day.