New version 1.0.1 has been released. We heard your feedback, the game now runs on iOS 7.0 and supports iPhone 4. iPhone 4S support has been included since version 1.0.0.
HexSweep is completely free with in game ads. Ads can be disabled with an upgrade purchase. Previously purchased individual classes or All Access Pass qualify as an upgrade.
Note: There is an issue with the production App Store that is causing a bug where you will need to Restore Purchases (in the Settings screen) every time you restart the app. Version 1.0.2 has already been submitted with a fix for this issue. Get in touch with us if you have any questions.