Sseuri Seuljjeok (Pocket Drift)

Overview

A mindful spending tracker for recording daily expenses, reflecting on optional purchases, and checking budget flow.

Product purpose

Turn simple expense logging into a daily spending-awareness routine by connecting calendar records, reflection prompts, budget checks, analysis, backup, and import flows.

Target user

Users who want a lightweight personal spending diary that makes everyday purchases visible and helps them notice optional or impulse spending patterns without a heavy finance system.

Role and ownership

Product planning, UI implementation, architecture decisions, and app delivery.

Main features

• - Daily expense recording with category and memo support
• - Calendar view with no-spend days and monthly totals
• - Spending type labels for essential, necessary, optional, and impulse purchases
• - Reflection reminders for optional and impulse spending
• - Weekly and monthly budget target checks
• - Analysis views including spending trend, food spending, and Engel coefficient
• - JSON, CSV, and Excel-oriented backup/export flows
• - Local app lock and automatic backup support
• - Optional AI conversion prompt for importing existing records

Technical notes

• - Flutter app using Riverpod for app state and flow control
• - SQLite-backed local expense storage
• - Local notifications for reflection and budget reminders
• - Local authentication for app lock
• - Exchange-rate lookup with fallback handling
• - File picker, share, CSV/Excel export, and backup restore integrations
• - AdMob support with privacy notes that separate ads from personal expense data

Future improvements

• - Android launch preparation
• - More detailed spending habit insights
• - Deeper import cleanup and duplicate detection
• - Additional budget and reflection templates