There difference with the Collabora Office app for IOS is that this App's interface is written from scratch for mobile usage and integrates much better in the mobile infrastructure. The 'problem' with those app, interface/integration/etc, is they're not optimized for mobile usage mostly just a quick and dirty port to mobile. 'What is Apache Open Office? I have this app on my iPhone and seems do similar to what Collabora does.'ĭon't there is an App in the store exactly called 'Apache Open Office', there is a bunch of ports the pretty much move the desktop experience 1:1 from desktop to mobile like 'AO Office', they just cannot use the Apache's OpenOffice name blindly as it's protected.