NSUserDefaults or keychain is better to save username and password in iPhone app

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NSUserDefaults is quite easy to use and stores one value per key only. But apparently, it is not a very secure method, as there is no encryption.

But the Keychain is secure, though it is a bit hard to code.
You can refer these link to use keychain access.

http://log.scifihifi.com/post/55837387/simple-iphone-keychain-code

you can also use this library deviced by Simon

https://github.com/goosoftware/GSKeychain

I hope it helps you!!

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