Messages: Smart SMS Organizer

Messages is a fast, clean default SMS and MMS messenger built with modern Material Design 3. Automatically organize your inbox, block spam texts, and track trains and flights offline with complete on-device privacy.

Smart SMS Organizer
Keep your inbox organized. Messages sorts incoming texts into smart tabs:
• Personal: Direct chats with contacts, friends, and family.
• Transactions: Bank debits, credit cards, UPI alerts, and payment receipts.
• OTP: Dedicated one-time passwords tab with instant 1-tap copy.
• Reminders: Due dates for bills, utility recharges, travels, and movies.
• Promotions: Brand offers and commercial texts kept separate.
• Spam: Unwanted messages blocked and isolated safely.
• Custom Folders & Starred: Star vital texts or create custom tabs with keyword routing.
• Category Scoped Actions: Delete, archive, or mark read within specific tabs without affecting whole threads.

Live Train Tracking & PNR Status
Turn railway SMS tickets into a real-time transit assistant:
• Smart PNR Extraction: Detects 10-digit PNR, train number, coach, berth, chart status, and confirmation state (CNF/RAC/WL).
• Route Timeline: Visual route showing previous halt, current train position with delay, your boarding stop, and destination.
• Platforms & Halts: View scheduled timings, delay deltas, and platform numbers.
• Offline 139 Gateway: 1-tap PNR query to official 139 and automatic reply parsing without mobile data.
• Live Notification & Overlay: Pin journey progress to the notification shade with a draggable floating bubble.

Smart Flight Tracker
On-device flight tracking extracted from airline booking updates:
• Booking Extraction: Parses 6-character PNR, airline carrier, flight number, airport codes, and departure times.
• Lifecycle Alerts: Tracks terminal changes, gates, delays, seat numbers, and baggage belts.
• 1-Tap Web Check-in: Automatically copies your PNR and opens airline check-in with one tap.
• Live Status Shortcut: Quick access to live flight route status.

Experimental Travel & Location Labs
Optional on-device features designed for seamless journeys:
• [Experimental] Offline "I'm Onboard" Train Tracker: Uses on-device GPS matched with bundled station coordinates to calculate speed (km/h), distance to next station, and ETA offline without internet.
• [Experimental] Station Wake-Up Alarm: Rings a loud GPS alarm before your station so you never miss your stop.
• [Experimental] Airport Assistant: Detects when you reach the airport and surfaces your departure terminal and gate.
• [Experimental] Location Reminders & Arrival SMS: Triggers reminders or sends safe arrival texts when you reach a destination.
• [Experimental] Purchase Location Tagging: Attaches neighborhood names to bank alerts for easy recall.

Spam Blocker & Security Shield
• Multi-Tier Spam Detection: On-device ML catches promotional texts, scams, and phishing attempts.
• Adversarial Protection: Neutralizes homoglyphs, zero-width characters, and leetspeak tricks.
• Custom Regex Shield: Set custom phrase or regular expression rules with an in-app tester.

Customization & Default SMS Features
• Material Design 3 & Dynamic Color: Harmonizes with your wallpaper (Android 12+) with true AMOLED black.
• Chat Personalization: Custom photo wallpapers, gradient themes, and message bubble styles.
• Encrypted Backups: End-to-end passphrase encrypted Google Drive backups and offline local exports.
• Default SMS Certified: Dual-SIM support with SIM locking, MMS, lock screen quick reply, delivery receipts, and Wear OS sync.
• 100% Private & Offline: Zero ads, zero tracking, no cloud servers. All messages stay on your phone.

Recent changes:
1. Bug fixes and improvements
2. Fixed an issue where forward SMS did not work
3. Improved chat input UI
4. Fixed backup crashing app on certain devices
5. Fixed incorrect categorisation of OTPs from certain senders
6. Fixed an issue where scroll state was reset in the messages list