Yuanman

Free and open-source. No server, no account — your data never leaves your LAN.

Features Money

Two-step recording: type the amount on the built-in keypad, tap a category — saved Keypad supports chained addition; no system keyboard needed Expense/income, emoji categories, notes, backdating via Material 3 DatePicker Tap to edit, swipe to delete with undo, long-press to duplicate Recurring bills (weekly/monthly/yearly) recorded automatically on due date Monthly budget with progress bar, today's spending, recording streak, last-month summary card, search, custom categories, recent-categories-first Savings goals with animated progress rings, ETA prediction, milestone celebrations and a confetti finale Home-screen widget: today / this month at a glance, "+" jumps to the keypad Habits

Build habits: one-tap daily check-in with streak counting, undo supported Quit habits: days-clean counter accumulates automatically, relapse resets with confirmation 8 one-tap presets (gym, reading, early rise, quit soda/alcohol/smoking/late nights…) Mood

One tap per day: 😄 🙂 😐 😔 😠, plus an optional one-line note Monthly donut breakdown, angry-days counter, days-without-anger streak Dynamic encouragement messages, month grid of colored mood dots Mood × spending insight: average daily spend on angry days vs. calm days Badges

12 badges across money / habits / mood, confetti on unlock, badge wall with earned dates Charts — category donut, 6-month trend, daily curve; all hand-drawn on Compose Canvas, zero chart libraries.

Sync & privacy

Family sync over LAN: NSD discovery + TCP merge, 6-digit pairing code (only its SHA-256 prefix is exchanged) No server, no sign-up, no tracking; JSON files in app-private storage with atomic writes and automatic backups Export JSON + CSV; import with merge or overwrite mode Chinese / English UI follows the system language v0.0.2 polish pass: form state survives process death (rememberSaveable), unsaved-input discard confirmation, tappable overview card, back-closes-search, snackbars no longer cover the FAB, withdrawal overdraft guard, density-aware chart labels, refined contrast for light/dark themes