Related The 6 Best Free Alternatives to Microsoft Office 365 Need a free but mighty Microsoft Office 365 alternative? Collabora Office lets me edit before asking me to join anythingI opened a document, not a relationshipCollabora Office is an open-source mobile suite built around the same document engine used by LibreOffice, the free office suite that runs across platforms. Microsoft still owns the smoother ecosystemThe price of polish is apparently an accountTashreef Shareef / MakeUseOfMicrosoft’s Office Android apps are not entirely locked behind a subscription. Collabora is enough more often than I expectedMost of my Android office work is considerably more modest. Microsoft 365 remains the stronger ecosystem, but Collabora Office showed me how rarely I need that entire ecosystem for the work I actually do on Android.