Available on the iTunes App Store:
Chordbot is a universal app and will run without scaling on all iOS devices (iPhone/iPod Touch/iPad).
Available on Google Play:
Also available on the Amazon App Store.
Try the free version Chordbot Lite first to see if Chordbot meets your needs. The lite version has all the features and content of the full version but it won't save or export any songs.
Other sources (Android only)
(¹) 32 SEK, exchange rates may vary. Residents of the European Union will be charged 25% VAT.
(²) American Express cards currently can't be used to buy apps from non-US sellers.