タクマネ - タクシードライバー向け営業記録・分析アプリ

This is a free business record/analysis app for taxi drivers.
You can easily register boarding dates, boarding locations, fares, payment methods, notes, etc., and check and analyze monthly and daily sales trends in graphs.

You do not need to register as a member, but if you sign in with Apple or Google and link your accounts, your data will be backed up automatically.
This allows you to use the service with peace of mind even when you transfer or lose your device.