Nextcloud vs Outline: what their users struggle with

Not a verdict and not a star rating: the problems users of Nextcloud and Outline describe in public, side by side, each one linked to its source (as of 2026-10-15).

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Every count in this table is of open reports in the recent window (Nextcloud since 2023-10, Outline since 2023-10); older and fixed reports are not counted. The counts measure how much public discussion exists for each product, not which is better: a popular tool collects more reports.

Problems mostly raised about Nextcloud

• Photo backup is not reliable enough for backups · Mobile · Blocks work
• Offline files and notes are unavailable · Mobile · Blocks work
• Docs for fixing a stuck maintenance mode are scattered and outdated · Documentation · Annoyance
• Play Store build of Android app cannot access all files · Mobile · Annoyance
• Daily cron job maxes out the CPU for about an hour after upgrading to 33 · Performance · Blocks work

Problems mostly raised about Outline

• Default themes give limited formatting and less readable documents · Customization · Annoyance
• Sub-documents cannot have fewer permissions than their parent · Permissions & security · Blocks work
• Malformed editor content makes documents and revision APIs unusable · Reliability & bugs · Blocks work
• Document history attributes edits to the wrong colleague · Reliability & bugs · Annoyance
• Recently viewed omits directly shared documents and uncategorized drafts · Reporting & analytics · Blocks work

Go further

Open Nextcloud and Outline in the compare tool to filter by area and severity, Nextcloud alternatives, Outline alternatives, or the state of workspace and files.

How the data is built. A theme is a group of reports about the same problem; unique means not matched to a theme on the other product.