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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.