The Tab Pro app is not supported since 2018 and was replaced with the Tabs app.

The Tab Pro app is not supported since 2018 and was replaced with the Tabs app.
So please download and use the correct app: https://apps.apple.com/app/ultimate-guitar-chords-tabs/id357828853
Australia version: https://apps.apple.com/au/app/ultimate-guitar-tabs-chords/id1157096263

NOTE:
Don't forget to log into the Tabs app with your Ultimate Guitar account to transfer Pro access and favorites from the Tab Pro app to the Tabs app. 

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