Email collection is easy: Pop-ups should be fun and keep users engaged. Wheelio does exactly that. It’s a win-win situation for both of you as the wheel spins – and it’s reflected in the end product. Opt-in is only collected with the Facebook Messenger Subscription feature. Messenger subscriptions will be accumulated in a friendly and productive manner. A wide range of functionality and options: From coupon injection to various styles to the advanced pro kit with authentication and segmentation to integrations with email providers.