That's not good. Mail the developer
I really doubt if the bank app use the "normal" jailbreak detection method which can be avoided. For something like Pokemon Go, as long as the iDevice go back to non-jailbreak state, the app works again. However, for my banking app. Once I jailbreak, it gives me the warning and refuse to run. Restart the iDevice doesn't help, and even re-flash the firmware still doesn't help. It just fail forever until I setup the iPhone as new. What a super security banking app.
P.S. reinstall the app of course doesn't help either.
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There's a new update out 1.1.3-98
Oh? I just check it on Cydia ~30min ago, still 1.1.3-76. I don't know if I get the source right, but since it says unable to purchase, I assume it's the real one, and I only need to make one bank app run, so trial mode is good enough for me.
Anyway, thanks for the info, will try to find out if I make the mistake and use the wrong repo.