Posted 4/26/2020 11:23 (#8217732 - in reply to #8203909) Subject: RE: K.I.S.S.
The capability is built right into the ecosystem to do what you want for free. The Notes app or iOS Numbers spreadsheet app both allow collaboration. Either have him record the information in a shared note or create a simple spreadsheet that is shared between the two of you. The spreadsheet would be my personal choice since I could then format it to total his time up for me.