The Fossil SCM (<https://fossil-scm.org https://fossil-scm.org>) meets most of your requirements, noting that: - "mobile app" means "its web interface" - "bac

The Fossil SCM (<https://fossil-scm.org https://fossil-scm.org>) meets most of your requirements, noting that: - "mobile app" means "its web interface" - "backed up" means to wherever you upload/sync your backups to - No automagic table calculation support.