PaperTrail: TaskPaper Client

PaperTrail brings full TaskPaper editing to iOS and iPadOS. TaskPaper is plain text productivity—simple, fast, flexible. Projects, tasks, notes, and tags. Filter, search, and archive. All in plain text files you can sync via iCloud and edit in TaskPaper on your Mac. FEATURES • Full TaskPaper format support (.taskpaper, .todo, .txt, .md) • Open Bike (.bike) and OPML (.opml) outlines, with clear warnings when an import can't carry everything across • OPML and Bike-style export, so tags and done state round-trip back into Bike • Fold and focus into any subtree for distraction-free editing • Full query language with text, tag, boolean, and semantic search • Tag system with dates, progress tracking, and cost aggregation • Tag autocomplete ranked by how often you use each tag • Smart filters with edge-swipe gestures and an iPad side-by-side sidebar • Colour lines by priority, depth, or due…