This is a maintenance release of Atsumeru Classic available for a short time for existing users.
Purchase Atsumeru 2 as a separate app available now in the App Store. Learn more at http://atsumeru.neverthesamecolor.net.
You can bring your current collection over to Atsumeru 2 using the Backup functionality via iTunes.
Atsumeru 2 is featuring iPad compatibility and iCloud syncing of your collections between your devices. In addition to Atsumeru 2 for your iOS devices, a version for your Mac is available for purchase on the Mac App Store.