How to cancel my subscription?

1. Open your device's Settings;
2. Scroll down and tap "iTunes & App Store";
3. Tap your Apple ID (your e-mail), then tap "View Apple ID" and enter your password if required;
4. Now, scroll to Subscriptions > Manage and select 'Color Pop'.
Or, if you are using iOS 10, go to Subscriptions and just scroll through the installed apps list until you find Color Pop.
5. Turn off the auto-renewal option and tap Done. Or, if you are using iOS 10, tap on Cancel Subscription, and then, confirm the cancellation.
For further details, please consult this article: https://support.apple.com/en-us/HT202039