Apple's Cards app gets Mother's Day add-ons

After six months of letting its greeting cards app sit on the App Store without any new designs, Apple seems to have gotten hip to the idea of adding new ones for holidays where cards are the norm.

Today that comes in the form of a new update that adds 28 different cards for Mother's Day, which is May 13 in the United States, and at different times during the month in a number of other countries (Wikipedia's cheat sheet is here).

Alongside the Mother's Day cards, Apple's added 28 different "get well" cards, and added to the number of designs for birthdays and "thank you" cards. In the update fix list, Apple also says it has improved the checkout process, and the app's verification of whatever address cards are being sent to.

Apple introduced Cards alongside the iPhone 4S last year. Similar to the photo printing services bundled into Apple's iPhoto and Aperture, buyers use their Apple ID account to make payments. The Cards app also added the rather unique function of sending buyers a push notification when their card was delivered if it's shipped in the U.S. as part of a partnership with the U.S. Postal Service.