If I found your phone and know your apple/android password, couldn't I keep trying passwords on your breadwallet, delete, install again via backup until I get the 4 digit passcode right?

Edit:

From the official bread wallet site

If you are using an iPhone and your wallet is still installed, we suggest you take an iCloud or iTunes backup of the app. Then, try to guess your passcode. If you make too many incorrect attempts and the wallet is reset, restore the iTunes or iCloud backup and you will be able to make more passcode guesses. Write down what you have already guessed so you don't try the same passcode multiple times.