Lockitron: keyless entry using your phone
Smartphones can do pretty much everything now, including locking and unlocking your doors. Lockitron is an intuitive 2-button app that lets you control the locks on your doors with a simple touch. It’s quick to install on your current locks, and it’s great for renters because of its removable design. You can share access with family and friends, receive notifications around the world, and it even unlocks when you walk up to the door.