Apple just announced during its WWDC keynote that it’s opening up its Touch ID fingerprint sensor on the iPhone to third-party app developers. Apple showed off the personal finance management app Mint (pictured above) using the Touch ID feature to allow users to login instead of using the keyboard to enter a password. Previously Apple limited this feature to its own App Store and iTunes purchases as well as unlocking the device itself.

Apple also shared some stats on Touch ID noting that it has improved security by getting a much higher number of users using a passcode to protect their device:

While there was no mention of payments specifically for third-party developer support, Cook hinted previously that payments via Touch ID could be on the way.