Anytune will always save the settings with the song so the next time you play the song the settings will be used.
You can to save your song data (settings, lyrics, notes and marks) for all or a single song to iCloud or a file. This allows you to share your music meta data across your devices or with your friends.
You can export the Original Song (unaltered) OR a Tuned Song which includes all the current settings including Tempo, Pitch, Gain, Pan, EQ, ReTune adjustments, and even the current loop.
You can export an original song for free. The ability to export a Tuned Song is included with the Export Pack Add-On available as an In-App-Purchase on both the free and Pro+ versions.