Once, several years ago, Koodo ran the double booster deal. Effectively 15¢/MB, 1¢/min. I topped up enough that I am still using both the data and talk. Waiting for the next one. It worked out for me. I like to know I am paying for my usage, rather than trying to use more than necessary. I put my son on this Rogers plan, after receiving credit from a Rogers dispute (they increased the plan from 25¢/min to 50¢/min without informing me) in order to run the balance down. Afterwhich I will most likely switch him to Koodo. IMO, both prepaid speakeasy and petrolcanada are slightly better. the 50¢/min can easily destroy any budget.
That said, we are very low usage users. I do use plenty of data when I am away from wifi, just not excessive like downloading videos.