4 apps
4 apps that APP NAVI confirmed from official sources to run on Android. Last checked: 2026-11-14. Anything we could not confirm stays "Unverified"; we never guess. Prices and specs change, so check each app's official page before you use it.
Web Services & Online Tools — see all apps →
Web Services & Online Tools
DiagramSmith is a diagram maker that runs in your browser, with apps on Android and Windows. Make flowcharts, UML, ER diagrams, Gantt charts, timelines, org charts and mind maps from a template or blank canvas, open .drawio and Mermaid files, and export PNG, SVG or PDF. No account needed for free use. Pro adds vector PDF, editable .drawio export and a flowchart check.
Web Services & Online Tools
A capture tool for screenshots and video that creates a shareable URL right away. It offers shortcut capture, OCR search, tags and collections.
Web Services & Online Tools
A novel-writing tool for web fiction writers. It keeps the manuscript editor, chapter and scene plots, character and worldbuilding references, memos and tasks in one place. Dialogue in corner brackets stays highlighted, ruby text appears in bold, and reference items can be inserted with @-mentions next to the editor. Available on the Web and as iOS and Android apps, free of charge.
Web Services & Online Tools
An HTTP-based pub-sub notification service that sends push notifications to phones and desktops via PUT/POST. It can be used without sign-up and is open source.