The preferred choice of prepaid phone top up in Singapore is by electronically. That's means top up via Internet (by using credit card) or through ATM. We shall get extra bonus by performing electronic top up (not to mention saving the environment, reducing top up card production...).
|Top up Bonus Comparison between Telcos|
From the above table, my Starhub offers one of the best deal in prepaid phone top up (Good Choice! ).