In the app, the edit (cut,copy,paste) feature and audio effects are paid features.
When the app is installed, users can try these features for free in a trial period.
Tap “…” button in the recording list page, then “In-app purchase” to show detail information about the in-app purcahse in the app.
Subscription for the first time is a free subscription for 3 days, the payment for the subscription($4.99/year) will be charged when it is auto-renewed in 3 days.
If you don’t want app store to renew the subscription automatically, please remember to cancel the subscription.
After cancel the subscription, you can still get the 3 days full-feature trial period.