Instead of Codename One
Codename One alternatives
Codename One helps Java and Kotlin developers build native apps for phones, desktops and browsers from one codebase. Its toolkit draws its own interface components and bundles its runtime and theme with each app, while native interfaces can reach platform SDKs and embed views such as maps, web views and camera surfaces. Maven projects work in several IDEs, and commercial use has no royalties or per-app fees. The free cloud tier provides 100 monthly build credits, with iOS builds using eight credits, and an 8.5 MB user JAR limit. Paid plans start at $25/user/mo billed annually.
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Godot Engine
Free plan AndroidAPIExtension+5Free open-source 2D, 3D and XR game projects — Godot is an open-source engine for 2D, 3D and XR projects, with GDScript, C# and C++ rather than Java and Kotlin.
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B4X
Free plan AndroidiPhoneLinux+2Visual Basic-style development across mobile, desktop and server — B4X uses a Visual Basic-style language and shares 90%+ of code among B4A, B4J and B4i projects.
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DroidScript
Free plan AndroidExtensionLinux+3Android app learners using JavaScript or Python — DroidScript creates native Android apps with JavaScript or Python and offers a browser-based WiFi IDE for connected Android devices.
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Monaca
Free plan AndroidAPIExtension+5JavaScript teams building hybrid mobile apps with Cordova — Monaca centers on HTML5, JavaScript and Apache Cordova, with a browser Cloud IDE and remote builds rather than Java or Kotlin native development.
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C++Builder
Free plan AndroidiPhoneMac+1 - 9
Cocos Creator
Free plan AndroidiPhoneMac+2 - 10
Cocos Creator
Free plan AndroidExtensioniPhone+3 - 11
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GeneXus
Free plan AndroidAPIiPhone+5 - 13
AIDE
Free plan Android - 14
HBuilderX
Free plan LinuxMacWindows - 15
Ionic Framework
Free plan AndroidiPhoneWeb - 16
MobileTogether Designer
Free plan AndroidiPhoneWeb+1 - 17
Qt Creator
Free plan AndroidiPhoneLinux+3 - 18
CodeAssist
Free plan Android - 19
Code on the Go
Free plan Android - 20
Cosmic IDE
Free plan Android - 21
Rider
Free plan LinuxMacWindows - 22
Unity
Free plan AndroidAPIiPhone+4 - 23
JCode
Free plan Android - 24
Swift Stream IDE
Free plan LinuxMacWindows
Its Java and Kotlin focus, alongside the free tier's cloud-build allowance and JAR cap, may lead some teams to consider another workflow. The alternatives here include game engines, tools centered on other languages, and hybrid-app platforms built around web technologies. Compare the target platforms and project types each supports, then weigh language fit, build workflow and pricing. A game engine may be a closer fit for a game project, while a browser-based hybrid tool may suit teams working in JavaScript; neither is automatically a like-for-like replacement for Codename One's shared-codebase native app approach.
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