The built-in keypad of Reagle smart lock supports user-generated Code and auto-generated ReagleCode. You can choose which one you would like to use according to your applications.

Access right (see detail)All time/ duration / periodDuration
Needs to be synchronized near the lockYes*No. It's automatically valid once generated in the app.
Number of digits in the code4-78
Keypad operationEnter "Code" + Press Reagle buttonJust enter "ReagleCode"
ApplicationsRegular usersFriends,  BnB guests, plumbers, etc.
ProsMore flexible
More convenient

* Remote synchronizing possible when using Reagle Gateway