JioTunes is currently being offered to Jio customers free of cost. Please note, you can set or change your JioTune upto 3 times in a month for free using MyJio app. If you are using JioSaavn app to set JioTune, then only one JioTune per month is free.
You need to upgrade to JioSaavn Pro or JioSaavn Plus JioTunes if you want unlimited JioTunes. JioTunes service will be auto-renewed every month (30 days) free of charge.