Ringtone is a new feature that lets you set audio on your device so when someone calls on your number, the song will play on your device as a call alert tone. Ringtones are available for Rs 5/ringtone. Once purchased, you'll be able to see this & set it from the App Settings > My Purchases > under Purchased & Unlocked Content.
Note: This feature is available in the JioSaavn app on any Android device.
JioTune is a feature that lets you set a song on your Jio number. The song will play when someone calls you and they'll be able to hear it. You can set a JioTune by launching the app while connected on Jio cellular data. Tap the (•••) menu to the right of any song > click on JioTune & Ringtone option. Under the 'Set Jiotune' tab, you'll be able to see your favourite JioTune.