BillMinder v2.2.0

A bill tracking and reminder app for Android. Never miss a payment again.

Features

Core

• Bill Management - Add, edit, delete bills with name, amount, due date, category, recurrence, notes, tags, and payment URL
• 13 Categories - Rent, Utilities, Insurance, Phone/Internet, Subscription, Loan, Medical, Transportation, Groceries, Education, Entertainment, Childcare, Other
• 6 Recurrence Types - Weekly, Bi-Weekly, Monthly, Quarterly, Yearly, One-Time
• Quick Mark Paid - One-tap from home screen or notification
• Swipe-to-Delete - Swipe left on any bill to delete
• Variable Amounts - Track expected, minimum, and maximum amounts for utilities
• Split Bills - Assign one bill across multiple payees with percentage share math
• Merchant Normalization - Recognizes 400+ common statement aliases while preserving unknown names
• Multi-Currency - Store each bill in its native currency, convert dashboard totals offline, and override FX rates manually
• Encrypted Receipt Attachments - Attach an image or PDF when marking a payment paid; receipts stay encrypted in app-private storage
• Receipt OCR - Read receipt images or the first PDF page locally to suggest the paid amount and date for review
• SMS Bill Proposals - Opt-in local inbox scan that proposes one-time bills for user review

Reminders (Alarm-Style)

• Exact Alarms - Uses AlarmManager.setAlarmClock() for reliable delivery (same as alarm clock apps)
• 7 Reminder Timings - Day of, 1/2/3 days, 1/2 weeks, 1 month before
• Dual Reminders - Two separate reminders per bill
• Snooze - 1 hour or tomorrow snooze directly from notification
• Boot Persistence - Reminders survive device restarts
• Overdue Notifications - Persistent (non-dismissible) for overdue bills
• Cascading Reminders - Dismissed reminders escalate at 4 hours, 24 hours, and overdue
• Full-Screen Alarm Option - Opt-in alarm-style due screen with mark-paid, snooze, and dismiss actions
• Home Geofence - Opt-in enter-and-dwell reminders around a configurable home radius (Play flavor)
• Vacation Mode - Pause reminders for auto-pay bills while keeping manual-payment reminders active
• Calendar Handoff - Add the next due date as an optional all-day event, including recurrence, to the user's calendar app

Dashboard

• Monthly Summary - Total due, paid, remaining with animated progress bar
• Section Badges - Overdue/Upcoming/Paid sections with count badges
• Search - Full-text search across bill names, notes, and tags
• Sort - By due date, amount, name, or category
• Filter - Horizontal scrollable category filter chips
• Staggered Animations - Bills animate in sequentially

Calendar

• Monthly Calendar View - Color-coded dots for bills on each day
• Day Detail - Tap any day to see bills due

Stats & Charts

• Lifetime Spending - Total across all bills
• Category Pie Chart - Animated donut chart with legend
• Monthly Trend - 6-month line chart with grid
• 12-Month Plan - Diverging paid-versus-outstanding view for upcoming bill cycles
• Category Budgets - Set monthly caps per category and track them with progress rings
• Forecast - 30/60/90-day upcoming totals
• What-If Planning - Toggle recurring bills to preview annual savings
• Per-Bill Lifetime - Total spent on each individual bill with average

Data

• JSON Backup/Restore - Full export and import of all data
• CSV Export - Payment history as spreadsheet
• CSV Import - Preview a spreadsheet, map columns, learn repeated corrections after three confirmations, and import bills with optional payment history
• Migration Presets - One-step column mappings for Mint, Tiller, and Empower transaction exports
• Year-End Export - Tax-ready CSV grouped by category
• Currency-Aware Exports - JSON and CSV preserve bill/payment currency codes
• Interchange Exports - Generate Bluecoins advanced CSV, YNAB outflow/inflow CSV, or Actual Budget transaction CSV
• Room Database - SQLite with migration support

Security

• Biometric Lock - Fingerprint/face unlock to protect financial data
• PIN Fallback - Salted PIN fallback with configurable auto-lock, screenshot protection, and duress mode

Widget

• Home Screen Widget - Glance-based widget showing upcoming bills, amounts, and days until due
• Widget Variants - Next 3 bills and current-month payment progress widgets
• Wear OS Tile - Shows the next unpaid bill and sends a one-tap mark-paid action back to the phone through the Wear Data Layer (Play flavor)
• Lock-Screen Widget - Keyguard-capable compact due reminder that omits amounts for privacy

UI/UX

• Bottom Navigation - Home, Calendar, Stats, Settings tabs
• AMOLED Dark Theme - Catppuccin Mocha throughout
• Edge-to-Edge - Full immersive display
• Auto-Pay Tags - Visual badge on auto-pay bills

Tech Stack

• Kotlin 2.1.0 + Jetpack Compose + Material 3
• Room 2.6.1 with migrations
• AlarmManager for exact alarm-style reminders
• Glance 1.1.1 for home screen widget
• Wear Tiles 1.6.2 + Google Play services Wearable Data Layer for the companion tile
• AndroidX Biometric for fingerprint/face lock
• ML Kit bundled text recognition for on-device receipt OCR
• Navigation Compose with bottom nav
• Canvas-drawn pie chart and trend line (no chart libraries)
• DataStore for preferences
• F-Droid flavor excludes Play-only geofencing and Wear Data Layer code; the app has no Play billing or crash-reporting dependency.
• Optional READ_SMS access is requested only from the explicit SMS proposal action; messages are parsed locally and never uploaded.
• Receipt OCR uses the bundled on-device model; receipt files remain encrypted in app-private storage and OCR text is not uploaded.

Build

./gradlew assembleDebug

APK output: app/build/outputs/apk/debug/app-debug.apk

The open-source distribution variant can be built without Play-only integrations:

./gradlew :app:assembleFdroidDebug