Trunk Notes was first releasted in February 2009 and has seen many updates with new features and support for the latest iPhones and iPads. Unlike many apps there has never been a paid upgrade for Trunk Notes. If you bought the app back in 2009 you will still receive free upgrades to the latest version today.
If you think that Trunk Notes has given you more value than the price you originally paid, consider supporting ongoing development by contributing below.
There are many exciting features which could be added to Trunk Notes. With enough new users and support from existing users, Trunk Notes can continue to go from strength to strength.