in regard to your issues...which blackberry plan are you subscribed to ? plan 299 or unlimited data 1099 ?
if you are on plan 299 than both of this apps will not work unless you have a wifi enabled phone. There is data restriction on these plan and you may only be able to send and recieve emails and with limitation to some other apps working.
check the following link to have a comparision between 299 plan and 1099 plan.