Regrettably, the App Store doesn’t really make it easy to downgrade apps if an update goes awry. This can be pretty problematic if you use your apps for critical stuff like live music and it all goes horribly wrong the day before a gig.
That problem’s pretty easy to solve though. Just back up your apps before upgrading. That way you can try out new updates without the risk. Here’s how:
Open iTunes, then select the “Apps” section from the drop-down box on the top right:
Next, find the app you want to back up, right-click on it, and select “Show in Finder” (or whatever the Windows equivalent is!).
Finally, grab the “ipa” file, and copy it somewhere safe.
If you want to be really safe, grab a piece of software like Macroplant iExplorer which lets you access the files on your device. Then hook up your iDevice via USB, and back up the Documents and Library folders from within the app. That’ll save all your files and config just in case the update applies some non-backwards-compatible changes.
Now, you may update your app with impunity.
If you change your mind and want to go back to how it was before, drag that backup you made back into iTunes, and tell iTunes to replace the current version. Sync your device, and if you backed up your Documents/Library folder, drag your backup back into the original app folder within iExplorer.
By the way: If it’s too late to make a manual backup, but you use Time Machine or another backup utility, then you’ll find the older version of the app in your backup, within your iTunes music folder. For me, it’s in ~/Music/iTunes/Mobile Applications.
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Help! iOS 7 broke my microphone input!
We hear a lot about people having problems with their music apps on iOS 7 no longer receiving audio. I thought it was time I posted an article describing why this is happening, and how to fix it.
iOS 7 introduced a bunch of new security and privacy features and restrictions. In particular, when an app wants to record audio, iOS 7 will block the app from doing so until the user gives permission. Usually this happens via an alert dialog in the app:
However, if one taps “Don’t Allow”, the system won’t ask again — ever. That can spell confusion and frustration (and support emails, and 1-star App Store reviews!) for users who tapped the dialog away without reading it, and then discovered they’re unable to record audio.
Alas, there’s not much that can be done about that from our end, except for explaining how to fix the issue once this happens.
The trick is to open Privacy Settings for the device, and enable Microphone access for the app. The controls can be found in the system Settings app:
Once you’ve turned this on, the app should begin receiving audio. Depending on certain factors, you may need to quit and restart the app.