You may cancel your free trial at any time through iTunes. For a step-by-step tutorial, go to https://support.apple.com/kb/ht4098. If you terminate your free trial before the end of the 7-day period, you will not be charged.
Tap Subscriptions in the menu bar. Select Smule from the drop-down menu. Tap Cancel Your Subscription to end your subscription. A confirmation box will appear; confirm by clicking Confirm.
For Android users, go to Google Play and select your account. All of your current subscriptions should be listed there. Select the left option under my subscriptions and then next to Smule – Singing software to cancel the subscription.
Open the Google Play Store app on your computer. Create a new account with your preferred Google login. Select Subscriptions from the menu (three parallel lines). Then select Smule. Once finished, tap Cancel Subscription to return to the previous screen. Follow the on-screen directions.
In conclusion, Smule may be used indefinitely without a VIP membership and for free. The basic concept at Smule is that first a vocal track of a song is sung by a soloist, and then a second singer sings the secondary vocal track.