Side by side

J2ObjC vs Transcrypt

J2ObjC

6.2#16 in code transpilersFree plan

Free planiOSLinuxmacOS

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Transcrypt

6.7#3 in code transpilersFree plan

Free planWebLinuxmacOSSelf-hosted

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What both publish

Fact	J2ObjC	Transcrypt
Support	The project points users to its issue tracker, Stack Overflow j2objc tag, and Google Groups discussions for help.	The FAQ recommends Stack Overflow for help and says commercial support is available on demand.
What it does	J2ObjC is an open-source command-line tool from Google that translates Java source code to Objective-C for iOS.	Transcrypt compiles a fairly extensive subset of Python into compact, readable JavaScript.

J2ObjC plans

Free and open sourceFree

Transcrypt plans

TranscryptFree

Pick J2ObjC if…

J2ObjC suits developers who want to reuse Java non-UI code in iOS apps and can work with the listed Mac, Xcode, and JDK requirements. It is not for converting Android binaries or sharing a cross-platform UI.

Pick Transcrypt if…

Transcrypt suits Python developers building browser applications who want to work with JavaScript libraries and DOM functions. It may also suit teams compiling Python server code for Node.js.

Charts they share

Code Transpilers