iOS Will app files survive after update?

[HARDWARRIOR]

Hi!
I'm making an app for appstore and I wonder if in future I will rollout an update. One of those that iTunes and appStore app on iPhone detect automatically. Will such update delete all files in a bundle's Documents directory? I just want to be sure that user's customized options wont be erased.

 

[robbieduncan]

No, the documents location is outside the app bundle so they will not get touched when the app gets updated.

 

[HARDWARRIOR]

Cool! And what about backups each time iPhone is connected to iTunes? Does this backup include Documents dir of apps? I mean will Documents remain after minor firmware upgrade? Not 3.0 that is coming soon, but something like 2.0 -> 2.2.1

 

[robbieduncan]

Surely you have an iPhone and have seen this in action with other apps? Anyway, yes app files/prefs should be backed up automatically and get restored from backup fine.