A no-charge trial period will be available for players to try between the application's release and Friday, January 31, 2014.
Players who download Pokémon Bank between its release day and January 31, 2014, can obtain a complimentary 30-day trial pass within the application. By using this pass, you can experience the Pokémon Bank service at no charge. Don't miss this chance to try Pokémon Bank!
Note: The 30-day trial pass is available only until Friday, January 31, 2014. This so null as long as Nintendo keeps the app TBD this promise is null. Nintendo better fix this because they don't then this trial is null and changed officially. Nintendo has 23 days to keep on track with this Official promise by the Official Pokémon bank site.