Rast Mobile
Services Mobile App Development

Mobile App Development
Company & Services.

Rast Mobile builds new business and enterprise applications, takes over products already in use and supports existing mobile teams. We deliver for iOS and Android with native code, Flutter or React Native, including backend integrations, testing and App Store or Google Play release.

Mobile application development services

End-to-End Mobile App Development

Each custom mobile application engagement can cover a complete product from concept to launch, a defined part of delivery or the takeover of an existing application. Scope is based on the product, the systems it must connect to and the team that will maintain it.

Product Discovery & UX/UI Implementation

We turn the product goal, users and main workflows into a technical plan. Existing designs can be implemented directly, or interface decisions can be refined with the product team before development.

iOS & Android App Development

We build business and enterprise applications for both platforms. Delivery may use native code or a shared cross-platform architecture, with platform-specific modules where the product requires them.

Backend & Enterprise Integration

We connect REST or GraphQL APIs, authentication, push notifications and real-time data flows. For Microsoft-based operations, our Dynamics 365 and Dataverse integration service connects selected business data through a controlled API layer.

Offline & Field-Ready Applications

For field service operations, courier and technician workflows, we design device storage, queued actions, conflict rules and synchronization around the work that must continue when connectivity is limited.

Mobile App Modernization & Takeover

We review the repository, dependencies, native modules, build and release process, store configuration and technical debt. The first objective is a reproducible build and a stable release plan the team can maintain.

Testing, Store Release & Iteration

We plan unit and integration tests around product risk, test on representative devices and support TestFlight, Google Play testing and production submissions. After launch, we can continue with maintenance and measured product improvements.

Native and cross-platform development

Choose the technology around the product,not the other way around.

We compare native development, Flutter and React Native against the existing team, required native SDKs, interface complexity, performance targets, integrations, product lifecycle and maintenance plan. Framework-specific architecture and consultancy details remain on the dedicated service pages.

Products and operational systems

Mobile products connected to real operations.

These product pages show how mobile interfaces, backend services and web operations panels work together for field teams, delivery operations and enterprise data.

Common questions

Mobile App Development FAQ

We cover product discovery and technical planning, UX/UI implementation, iOS and Android development, backend and API integration, testing, store release, maintenance and product iteration. We also take over existing mobile applications after reviewing the repository and release setup.

Yes. We can deliver separate native applications or a shared cross-platform codebase, depending on the product, required device features, existing team and long-term maintenance plan.

We review the existing team, native SDK requirements, interface complexity, performance targets, integrations and expected product lifecycle. Flutter or React Native can be a strong fit when platforms share most workflows; native development remains an option when platform-specific needs justify it.

Yes. We start with the repository, dependencies, build and signing process, store setup, known defects and technical debt. We then define the work needed for a stable first release before planning longer-term modernization.

Yes, when the required data and integration access are available. We connect mobile applications to existing ERP, CRM, Dynamics 365, Dataverse or custom backend systems through controlled APIs, authentication and synchronization flows.

Yes. For field and operational products, we define which data remains on the device, which actions can be completed without a connection and how queued changes and conflicts are handled when connectivity returns.

We support signing, versioning, TestFlight, Google Play test tracks, store metadata, privacy information and technical responses during review. Store accounts remain under the client’s ownership, and final approval is given by Apple or Google.

Discuss Your Mobile App Project

Tell us whether you are planning a new app, taking over an existing codebase or connecting a mobile product to enterprise systems. We can start with the users, current systems and first release goal.