East Africa visa: 

This visa covers Kenya, Uganda and Rwanda and costs U$100.

It is valid for 90 days and allows multiple entries.

If you are starting your tour in Rwanda then you can either get this visa on arrival or apply for this visa online through this link: https://irembo.gov.rw/rolportal/en/web/dgie/newhome

Travelling on tour from Kenya and/or Uganda you should have already obtained this visa from Kenyan or Ugandan Immigration respectively and can enter with this visa.

Rwanda visa:

This visa allows one entry and is U$50. 

It is a 30 day visa and can be obtained at the borders by all nationalities

Citizens from Singapore, Hong Kong, Malaysia, UK, Belgium, France, Greece, Canada, New Zealand, Australia, Switzerland and South Africa are visa free.

The East Africa visa is a full page visa.

The Rwanda visa is a small stamp.