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Kotlin Multiplatform / KMP

Shared logic for Android and iOS where it makes sense for the product

We help decide whether Kotlin Multiplatform is worth using, what should be shared between platforms and how to introduce KMP without unnecessary technical overhead.

Shared business logic

Data layer and APIs

Native UI where it matters

Gradual integration into an app

Technology

KotlinKotlin MultiplatformKMPKtorSQLDelight / RoomREST API

What Kotlin Multiplatform means in practice

Kotlin Multiplatform lets teams share part of the Kotlin code between Android, iOS and other platforms. In production mobile projects, shared code most often covers business logic, data layer, models, validation and API integrations, while UI can remain native for each platform.

When KMP fits

When the product has shared logic but still needs a strong native experience

Android and iOS versions

The product has both platforms and a meaningful amount of rules, data, validation or API integrations are shared.

Long-term mobile product

A shared module pays off most when the product will be developed and maintained over time.

Gradual modernization

KMP can be added in stages, for example as a shared module for the data or business layer.

What we deliver

A practical KMP base without overpromising multiplatform scope

KMP feasibility audit

We evaluate how much logic is worth sharing, what the boundaries are and where KMP would make development harder.

Shared module

We design and implement a Kotlin shared module for models, data layer, validation or API integrations.

Platform integration

We prepare Android and iOS integration while keeping build, testing and release flow clear.

KMP stack for shared logic

KotlinKotlin MultiplatformKMPKtorSQLDelight / RoomREST API

What makes this service distinct

A decision page about sharing business logic between platforms, not a general mobile development page.

This is not a broad mobile app page or a native Android audit page.

KMP in Môj OrangeAndroid experienceshared logicAPI integrations

KMP and mobile experience

References selected for this service

Telco / Android / KMP

Môj Orange

Telco / Android / KMP

Môj Orange

Experience with Android development and Kotlin Multiplatform Mobile in a demanding telco product where shared logic only makes sense with clear boundaries.

AndroidKotlinKMPEnterprise
Open reference

Shared logic / API / data layer

AM Soft mobile architecture

Shared logic / API / data layer

AM Soft mobile architecture

We treat KMP as an architecture tool for sharing rules and data layer, not as an automatic replacement for native development.

Shared moduleAPIValidationArchitecture

Foundation for a realistic multiplatform design

Production Android experience

Foundation for a realistic multiplatform design

Production Android experience

A strong Android base helps decide what should remain platform-specific and what should move into shared Kotlin code.

AndroidKotlinJetpackRelease

How we decide on KMP

01

Map shared logic

We identify product parts that are the same for Android and iOS and are worth sharing.

02

Define module boundaries

We separate business logic from UI and platform integrations that should remain native.

03

Integrate gradually

We start with a small module and expand only after the value is proven.

FAQ

Kotlin Multiplatform questions

When is Kotlin Multiplatform worth it?+

KMP is worth considering when the product needs Android and iOS and has enough shared logic to justify it. If platforms are very different or the app is only a short prototype, KMP may not be the best choice.

Can KMP be added to an existing Android app?+

Yes. The safest start is a separate shared module for part of the business logic or data layer, then gradually checking whether KMP really helps the project.

Can Kotlin Multiplatform share UI too?+

In some cases yes, but it is not required and not always the best solution. For business products, sharing logic while keeping native UI often makes more sense.

Let's discuss your project

Discuss KMP options

Have an app, website or internal process in mind? Send us a message and we will suggest the next practical step.