J2ObjC vs Sencha Touch: What are the differences?
Developers describe J2ObjC as "Java to iOS Objective-C translation tool and runtime used by Google Inbox to share 70% of its code across Android, iOS, and Web". J2ObjC is an open-source command-line tool from Google that translates Java code to Objective-C for the iOS (iPhone/iPad) platform. This tool enables Java code to be part of an iOS application's build, as no editing of the generated files is necessary. The goal is to write an app's non-UI code (such as data access, or application logic) in Java, which is then shared by web apps (using GWT), Android apps, and iOS apps. On the other hand, Sencha Touch is detailed as "The leading mobile web app framework based on HTML5 for amazing mobile apps". Sencha Touch 2, a high-performance HTML5 mobile application framework, is the cornerstone of the Sencha HTML5 platform. Built for enabling world-class user experiences, Sencha Touch 2 is the only framework that enables developers to build fast and impressive apps that work on iOS, Android, BlackBerry, Kindle Fire, and more.
J2ObjC and Sencha Touch can be categorized as "Cross-Platform Mobile Development" tools.
"Backed by Google" is the primary reason why developers consider J2ObjC over the competitors, whereas "Structured code" was stated as the key factor in picking Sencha Touch.
J2ObjC is an open source tool with 5.47K GitHub stars and 771 GitHub forks. Here's a link to J2ObjC's open source repository on GitHub.
What is J2ObjC?
What is Sencha Touch?
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This is one of the most amazing open source projects out there. Tom and Kieth do an amazing job working with the developer community and quickly responding to questions and concerns. I was blown away by how solid the ported code was. What a life-saver and a ridiculously awesome tool.
We use J2Objc and GWT to provide a shared library of cross-platform code that is used on all our client platforms (Android, iOS and the web) and even in the backend.