Enrico Susatyo

Top up your Opal card, check your balance and travel history right from your iPhone. Opalapp provides a simple, convenient and efficient new way of ma …

*** As featured in Sydney Morning Herald, Mashable, and Lifehacker ***Top up your Opal card, check your balance and travel history right from your iPh …

Tick Tock is a beautifully designed iPhone app. You can use Tick Tock to set multiple timers to help you keep track of what’s happening in your life. …

Simple Stat is an application that can perform statistics tests which are commonly used in first year university statistics course. Simple Stat is ver …