Apple still not allow Bitcoin app in China, although China government say Bitcoin can trade as virtual product. So we need have a USA region account or HongKong account to download Bitcoin app. T_T
That is interesting to know.
Edit: 1) Put app on
http://allcydia.com/ 2) crack DRM 3) app will work.
iOS has sandbox to protect security of app data. If your jailbreak it, the protection is gone, although Bither is always encrypt your private key, but it still is not safe. So we suggest our user not to jailbreak, and we will not provider jailbreak version too. But thank you for your advice.