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Mobile Development · alternatives

Alternatives to Kotlin Multiplatform

19 mobile development tools sit alongside Kotlin Multiplatform in this directory. Below is what separates each from Kotlin Multiplatform on the figures we hold, price, model, tier count and rating, and a direct comparison for every one.

Alternatives listed
19
With a free tier
15
Cheaper to start
-
Kotlin Multiplatform starts at
Free

Why people look past Kotlin Multiplatform

Only what the record supports. Each point below is a figure on the Kotlin Multiplatform entry measured against the tools listed beside it.

There is only one tier

Kotlin Multiplatform publishes a single plan, Kotlin Multiplatform at Free. There is no smaller tier to drop to if the fit is wrong or the budget moves.

What each alternative does differently

Ordered by the aggregated rating on each catalogue entry. Differences are drawn from price, pricing model, tier count and rating, the fields the category listing carries. For a feature-level difference, follow the head-to-head link on each card: those pages read both full records.

Google’s open-source framework for building apps from one codebase

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

Build native mobile apps with React and JavaScript

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

Microsoft-maintained, free framework for native iOS, Android, Windows and macOS apps from one C# codebase

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

Free

Open source UI framework for hybrid mobile apps, now owned by OutSystems

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

Open source framework compiling JavaScript and TypeScript UI to true native components

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

MIT-licensed native runtime bridging web apps to iOS, Android and native APIs

Priced and rated the same as Kotlin Multiplatform on the figures we hold. The difference, if there is one, is in the feature records.

Every Kotlin Multiplatform alternative at a glance

A dash means the catalogue entry carries no figure, not that the answer is nothing.

Mobile Development alternatives to Kotlin Multiplatform
ToolEntry priceModelTiersHead to head
Kotlin Multiplatform (this page)FreeOpen source, no licence fee1
FlutterIf you want a single shared UI codebase from day one rather than logic-only sharingFreeOpen source, no licence fee1vs Kotlin Multiplatform
React NativeIf your team is JavaScript-first rather than Kotlin-firstFreeOpen source, no licence fee1vs Kotlin Multiplatform
.NET MAUIIf your existing codebase is C# rather than KotlinFreeOpen source, no licence fee1vs Kotlin Multiplatform
IonicFreeOpen source, no licence fee1vs Kotlin Multiplatform
NativeScriptFreeOpen source, no licence fee1vs Kotlin Multiplatform
CapacitorFreeOpen source, no licence fee1vs Kotlin Multiplatform
SuperwallFreePer month by tracked revenue2vs Kotlin Multiplatform
RevenueCatFreePer month by tracked revenue3vs Kotlin Multiplatform
AdaptyFreePer month by tracked revenue3vs Kotlin Multiplatform
EAS BuildFreePer month plus build usage2vs Kotlin Multiplatform
MaestroFree, then $250/monthPer concurrent cloud device per month3vs Kotlin Multiplatform
FastlaneFreeOpen-source-vs Kotlin Multiplatform
ExpoFree, then $19/monthFreemium4vs Kotlin Multiplatform
AppcircleFreeFreemium2vs Kotlin Multiplatform
CodemagicFreeUsage-based|subscription7vs Kotlin Multiplatform
SenchaOn requestOne-time purchase, per developer1vs Kotlin Multiplatform
AdjustOn requestPer attributed install1vs Kotlin Multiplatform
AppsFlyerOn requestPer attributed conversion1vs Kotlin Multiplatform
Emerge ToolsOn requestQuote1vs Kotlin Multiplatform

Ratings are aggregated from third-party sources and imported with each catalogue entry; Softwr hosts no reviews of these products. How each figure is used is set out on the Kotlin Multiplatform badges page.

Cheaper ways to solve the same problem

Free to start (15)

These publish a tier that costs nothing, so they can be evaluated before any money changes hands.

What you would be giving up

Kotlin Multiplatform is most often brought in for a company with existing separate native ios and android codebases wanting to stop duplicating business logic and networking code, a team that wants shared logic but is not willing to compromise on fully native ui per platform, an organisation already using kotlin on the backend that wants to reuse the same models and validation on mobile clients, a team evaluating compose multiplatform for ui sharing but wanting the option to fall back to native ui per screen. Anything replacing it has to cover the ones you actually depend on, and a cheaper tool that misses one of them is not cheaper.

Two things this page cannot settle. It compares on price, model, tier count and rating, because those are the fields the category listing carries, feature-level differences need both full records, which is what the head-to-head pages load. And the ratings are third-party aggregates imported with each entry rather than reviews written here, so a 0.2 difference between two tools is noise rather than a finding.

If Kotlin Multiplatform is broadly right and the question is cost, the Kotlin Multiplatform pricing breakdown covers every tier and what each one adds. If you want the whole field rather than a shortlist, the Mobile Development category lists everything the directory holds, and best mobile development tools ranks them.

Kotlin Multiplatform runs on ios, android, windows, macos, linux, web. Platform coverage is not carried on the category listing for the alternatives, so it is one more thing to check on each head-to-head page rather than here.

Questions about Kotlin Multiplatform alternatives

What are the main alternatives to Kotlin Multiplatform?
19 other mobile development tools are listed in this directory, led by Flutter, React Native, .NET MAUI, Ionic. They are ordered by the aggregated rating on each catalogue entry, not by any Softwr ranking.
What is the best free alternative to Kotlin Multiplatform?
15 of the alternatives listed here can be used without paying: Flutter, React Native, .NET MAUI, Ionic, NativeScript.
Why do people look for an alternative to Kotlin Multiplatform?
On the figures on record, one thing stands out: there is only one tier. Each is set out with the numbers behind it above.
What would I give up by switching from Kotlin Multiplatform?
Kotlin Multiplatform is most often brought in for a company with existing separate native ios and android codebases wanting to stop duplicating business logic and networking code, a team that wants shared logic but is not willing to compromise on fully native ui per platform, an organisation already using kotlin on the backend that wants to reuse the same models and validation on mobile clients, a team evaluating compose multiplatform for ui sharing but wanting the option to fall back to native ui per screen. Anything you replace it with has to cover the ones you actually rely on, the side-by-side comparisons linked from each alternative below put the two feature records against each other.
Is there an open-source alternative to Kotlin Multiplatform?
Fastlane is recorded with an open-source licence model.
How were these Kotlin Multiplatform alternatives chosen?
They are the tools filed in the same category, Mobile Development, ordered by the aggregated rating on each entry. There is no editorial shortlist, and nothing on this page is paid: no sponsored placement runs on alternatives pages and the order cannot be bought. Softwr has not used these products.
Where can I compare Kotlin Multiplatform against one of these directly?
Every alternative below has a side-by-side page against Kotlin Multiplatform covering price, platforms, features and what each one is used for. Those pages read the full record for both products rather than the summary shown here.
Does this list cover every mobile development tool?
No. It covers what this directory holds in the Mobile Development category, 19 tools beside Kotlin Multiplatform. The category page lists the rest of the catalogue as it grows.

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