ClearAudit

ClearAudit for the PC: audit rooms with no connection, keep a copy of your
workspace on this computer, build reports and scheduled exports, and sync with
ClearAudit when you're back online.

Site hub: this PC can be the office hub for phones on a site with no internet.
Phones running the ClearAudit app pair with it once and sync over the site
Wi-Fi; the PC sends their work on when it is online.

Needs a ClearAudit workspace (sign up free at https://clearaudit.tech).