MedalRise review for MaxBundle ‑ Product Bundles

It was a free app and suddenly became a paid service. I don't see a problem for new customers, but they've blocked the app for existing users to force us to upgrade to a paid plan. Despite requesting to stop receiving updates and support, which I don't need anyway, they refuse to unblock the app I downloaded. I spent time setting everything up three days ago, only to be held hostage by an app that has locked all my access to force me to pay...