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Interactive technology comparison · 32 languages & frameworks

Kotlin vs. Swift: Comparison, differences & use cases

Kotlin and Swift compared: differences, strengths and use cases – with the job market live from real postings and suitability per use case.

Python vs. Java Python vs. JavaScript Python vs. TypeScript React vs. Angular React vs. Vue React vs. Next.js
Active jobs
116
Since
2011
Typing
statisch
VS
Active jobs
21
Since
2014
Typing
statisch

Kotlin leads in 4 of 8 use cases.

Live from 7,804 jobs

Who wins on the job market?

Real figures from all IT jobs currently published on Jobriver – not estimates. Every number states its basis.

Open positions

Kotlin is sought in 5.5 times as many job ads.

Remote or hybrid

Kotlin 46 %
Swift 52 %

Basis: 116 and 21 jobs respectively

Senior & lead

Kotlin 39 %
Swift 14 %

Junior jobs: 6 and 0 respectively

Salary according to job ads

Kotlin €57,500n = 87
Swift too few jobs with salary (n = 16) –

Editorial assessment

Suitability by use case

0 to 100 per use case. Hover over an axis for the values – everything is listed as a table below.

4:3use cases ahead · 1 tied

Web backend 1 Frontend & dashboards 2 Data science & ML 3 Mobile apps 4 Systems programming 5 Scripting & automation 6 Game development 7 DevOps & cloud 8
Suitability per use case
Use caseKotlinSwift
1Web backend 80good fit 40suitable
2Frontend & dashboards 30less suitable 30less suitable
3Data science & ML 45suitable 35less suitable
4Mobile apps 95excellent fit 98excellent fit
5Systems programming 45suitable 65good fit
6Scripting & automation 55suitable 45suitable
7Game development 55suitable 70good fit
8DevOps & cloud 60suitable 35less suitable

Profile

Side by side.

KotlinSwift
2011 Year released 2014
Multiparadigma (OOP, funktional) Paradigm Multiparadigma (OOP, funktional, protokollorientiert)
statisch Typing statisch
Performance
Popularity
Learning curve (lower = easier)

Kotlin ist eine pragmatische, statisch typisierte JVM-Sprache. Offizielle Sprache für Android und zunehmend im Backend (Ktor, Spring) beliebt.

Swift ist die moderne, sichere Sprache für das Apple-Ökosystem. Schnell und ausdrucksstark, primär für iOS/macOS-Apps.

Market demand is based on real, active IT job ads on Jobriver. The 1-5 ratings are editorial assessments.

Strengths & weaknesses

What speaks for which?

Kotlin

Pros

  • Moderner und kompakter als Java
  • Offizielle Sprache für Android
  • Voll interoperabel mit Java/JVM
  • Null-Sicherheit im Typsystem

Cons

  • Kleinere Community als Java
  • Längere Build-Zeiten
  • Außerhalb von Android/JVM wenig verbreitet
View Kotlin jobs

Swift

Pros

  • Modern, sicher und ausdrucksstark
  • Erstklassig im Apple-Ökosystem
  • Hohe Performance
  • Sichere Optionals statt Null-Fehlern

Cons

  • Praktisch auf Apple-Plattformen beschränkt
  • Kleinere Community außerhalb von iOS
  • Häufige Sprachänderungen in der Anfangszeit
View Swift jobs

Finder

Which one suits you?

What do you want to build?
What matters to you?
Type

How we calculate: average suitability for your use cases, +15 % weight per selected priority (learning curve, performance, jobs relative to the leader). Tie → alphabetical.

    More match-ups

    How else does Kotlin fare?

    vs Kotlin vs. Python Die lesbare Allzwecksprache für Data & Web Compare vs Kotlin vs. Java Der robuste Enterprise-Klassiker Compare vs Kotlin vs. JavaScript Die Sprache des Web - überall lauffähig Compare vs Kotlin vs. TypeScript JavaScript mit statischen Typen Compare vs Kotlin vs. C# Microsofts vielseitige .NET-Sprache Compare vs Kotlin vs. PHP Die pragmatische Sprache des Webs Compare

    FAQ

    Frequently asked questions about Kotlin and Swift

    Salary comparison by role · IT skill trends

    What is the difference between Kotlin and Swift?

    In the suitability comparison Kotlin leads in 4 and Swift in 3 of 8 use cases; in the rest both are level. Kotlin fits Mobile apps best, Swift fits Mobile apps best.

    How many jobs are there for Kotlin and Swift?

    Currently 116 open IT jobs on Jobriver mention Kotlin, and 21 mention Swift. Of these, 53 and 11 respectively are remote or hybrid.

    Is Kotlin or Swift better for starting a career?

    For career starters there are currently 6 jobs with Kotlin and 0 jobs with Swift; for senior and lead roles there are 45 and 3.

    Where are most jobs for Kotlin and Swift?

    Most Kotlin jobs are in Berlin, most Swift jobs are in Berlin.

    What do you earn with Kotlin compared to Swift?

    In job ads with a salary, the median annual salary for Kotlin is EUR 57,500 gross and for Swift EUR 54,000 gross (median of 87 and 16 ads).

    Decided? Then on to the job.

    Active IT jobs with exactly this technology – with salary, remote share and tech stack.

    Kotlin jobs Swift jobs