Depend on your usage, compare CHATR vs. Koodo. e.g. for kids who loves to SMS, Koodo may be a better choice. Koodo purchase phone MINUTES and DATA are ~cumulative/roll over. e.g. u buy 1G data, u use 100MB this month, as long as your phone plan is valid and continue, u continue to use balance of 900MB next month, on and on till all 1G is used up.