is visa fee and service fee is different each other? as non-egyptian, need to pay egp170 + egp

The application fee is charged by the embassy. The service is usually charged by an agency. You will plan to apply through an agency? If you mean the service on this page, the service means the express service. The normal service (charging LE170) usually takes around 4 working days to get it, while if you apply the expedited service here, you can get it within one or two working days. It takes less time to get it.

As a non-egyptian, you need to pay 170 + 115 as a whole if you apply the expedited service. If you do not apply that service, you only need to pay 170 LE. Two people may not regarded as a group and it may mean a tour group with many people.