High quality.

High quality audio recording. Unlimited recording time (Tested up to 21 hours). Background recording (You can open other app while recording).

Bluetooth recording

Ability to configure audio quality (Low:8KHz, Medium:22.05KHz, Heigh:44.1KHz).

Full iOS11 Support

Finger print authentication. iCloud sync (iOS 5 and above). Dropbox upload sharing.