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ヒマ潰しの天才

About this app

This is a completely private review notebook for recording thoughts like, "It's not something I'd tell everyone, but I want to remember it myself."

You can record anything—products, food, places, books, games, etc.—regardless of category. Organize your entries easily later with star ratings, comments, tags, and photo dates.

■ When to use this app:
・To check if you've bought something before in a store
・To jot down your thoughts on interesting works or places
・To remember your favorites/things you'll never buy again
■ Main Features
・Easy Recording: Item name, ★ rating (in 0.5 increments), comments, tags
・Flexible Category Management: Customize categories with colors and icons
・Cross-Search/Refine: By item name, comments, tags, category, rating, and time period
・Revisit Check: Instantly display past reviews by scanning barcodes or searching by name
・Duplicate Suggestion: Shows "Did you perhaps already have this record?" while you're typing
・Privacy Protection: App lock (PIN/biometric authentication), secret categories
・Backup: JSON/CSV export, restore from JSON
・Japanese/English support, light/dark themes

■ Privacy First
All records are stored only on your device. No account registration required, no network transmission whatsoever. No ads, tracking, or charges. Your data stays only on your device.

What’s new

最初のリリースです。記録・検索・再会チェック・アプリロック・バックアップに対応しました。