Boom Subscription Terms

Unlimited use of Boom effects, including 3D surround sound, full bass and EQ settings.
Unlimited use of Boom effects on non-DRM protected music such as iTunes loaded music, Air dropped music.
Unlimited use of Boom effects for users who have subscribed to Spotify and TIDAL’s music services.
Unlimited use of Boom’s effects on non-DRM protected music on Dropbox and Google drive.
Access to our list of 40,000+ Radio and Podcast channels.
No Ads displayed within the app.

Payment will be charged to Google Play Account on confirmation of purchases.
Boom subscription has a 7 days free trial period. At the end of the trial period, you will automatically be renewed for a 1 year subscription unless you unsubscribe 24 hours before the end of the Trial period.
Any unused portion of Boom’s free trial period will be forfeited when the user purchases the subscription.
If the following conditions still occur after you subscribe successfully: Boom effects are disabled or any Boom premium subscription features are disabled, then tap on the side menu and enter ‘Go premium’. Tap on ‘Restore’ to restore your subscription purchase.
The Boom PRO Subscription you have purchased within Google Play can’t be used in iOS device and vice versa
According to Google Play subscription terms, Boom Pro Subscription will be charged each billing period (6 months or 1 year) and will be auto-renewed once the subscription ends i.e. if you don’t turn off auto renew at least 24 hours before your renewal date your subscription will get auto renewed.
To cancel the Boom subscriptions, please follow the steps below: -

Launch the Google Play Store app.
Tap Menu -> Subscriptions and tap on the app of the subscription you'd like to cancel.
Alternatively, tap Menu -> My Apps -> Tap the app of the subscription you'd like to cancel -> Tap the app's details page.