Not exactly fair, since this is targeted at lower-usage IoT/sensor use-cases where the difference in price between sending 1MB per day and 2MB per day is pennie

Not exactly fair, since this is targeted at lower-usage IoT/sensor use-cases where the difference in price between sending 1MB per day and 2MB per day is pennies. At these prices, it doesn't make any sense to put it in your phone unless you really like Twilio.