Meet LockSmart: a Bluetooth padlock that you can control from your smartphone. No need to deal with any physical keys. The device also tracks usage, giving you access to the data on your smartphone. LockSmart relies on 128-bit encryption for security. You can unlock it by Touch ID, a tap, or your passcode.
You can share access to your lock from your phone and track who has accessed it. The battery life lasts for up to 2 years. The lock has a stainless steel shackle and a die-cast Zamak-3 zinc alloy body. It costs under $90 at this time.