# Kotlin Multiplatform Frequently Asked Questions - Touchlab

DevFeed: [Kotlin Multiplatform Frequently Asked Questions - Touchlab](<https://devfeed.tech/articles/kotlin-multiplatform-frequently-asked-questions-touchlab-38265.md>)

Original publisher: [Read original article](<https://touchlab.co/kotlin-multiplatform-frequently-asked-questions>)

Published: 2019-11-19T22:18:08Z

Content type: article

Language: en

Sources: [Touchlab | Enterprise Mobile Innovation & Development](<https://devfeed.tech/sources/touchlab-enterprise-mobile-innovation-development.md>)

Topics: [Kotlin Multiplatform](<https://devfeed.tech/topics/kotlin-multiplatform.md>), [multiplatform](<https://devfeed.tech/topics/multiplatform.md>), [Kotlin](<https://devfeed.tech/topics/kotlin.md>), [Library](<https://devfeed.tech/topics/library.md>), [Mobile](<https://devfeed.tech/topics/mobile.md>), [business logic](<https://devfeed.tech/topics/business-logic.md>)

Tags: [business-logic](<https://devfeed.tech/tags/business-logic.md>), [code-sharing](<https://devfeed.tech/tags/code-sharing.md>), [great](<https://devfeed.tech/tags/great.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [kotlin-compiler](<https://devfeed.tech/tags/kotlin-compiler.md>), [kotlin-multiplatform](<https://devfeed.tech/tags/kotlin-multiplatform.md>), [kotlin-multiplatform-libraries](<https://devfeed.tech/tags/kotlin-multiplatform-libraries.md>), [mobile](<https://devfeed.tech/tags/mobile.md>), [multiplatform](<https://devfeed.tech/tags/multiplatform.md>), [thoughts](<https://devfeed.tech/tags/thoughts.md>)

## AI overview

This FAQ explains how Kotlin Multiplatform can be introduced into existing applications and how much code teams may share. It discusses sharing business logic while generally keeping platform-specific UI, expected app size impact, Swift and Objective-C interoperability, and libraries used by Touchlab and its community.

## Source excerpt

Touchlab is building a community of mobile code sharing and Kotlin Multiplatform enthusiasts. We answer Kotlin Multiplatform frequently asked questions.