Taxis are legally obliged to drive with their taximeter on. The goal of the law is to protect riders by stipulating that the taximeter price is always the maximum price they will pay.
That rule also applies for rides on Lymo, therefore the app will ask you to enter at the end of your ride the taximeter amount. In case the effective fare calculation exceeds the taximeter fare, the taximeter amount will be the effective fare applied.
Extra waiting time charges may come on top of this amount.