The name Tipr is an homage to Flickr, which we love.
Firstly, it's shorter to type in a mobile device. Secondly, since we already dropped the "e" we figured why bother with the duplicate "p." Thirdly, we can't spel.
Tipr is the brainchild of Aaron Gustafson. He really built it to make his own life easier, but decided to share it with his friends (and the rest of the world).
Well, we make it so the total is always a palindrome.
Palindrome's are cool. Also, they make it really easy to scan your credit card statements to see if anyone has manipulated your tip amount.
Yes, Tipr is free and will remain so. If you find Tipr particularly useful, please consider donating.