Inland Revenue Authority of Singapore (IRAS) has developed an iPhone app called IRAS SG. They said it “offer an alternative mode for individual taxpayers to perform simple transactions on the move.”
With this app, it can be used to:
- Check whether you are required to file your Income Tax Return for the current Year of Assessment;
- Calculate your Income Tax for the current Year of Assessment;
- Calculate your Property Tax.




It has basic functionalities for now. iPhone users can grab this free application at the Apple App Store

