切手価値識別AI：コレクションのあらゆる切手を即座に識別・価値査定

Turn every stamp into a story—instantly. Stampify uses advanced image recognition and the world’s largest philatelic database to identify any postage stamp, reveal its catalog details, and estimate real-time market value in seconds. How It Works Snap or Upload • Open the in-app camera or select a photo from your gallery. AI Identification • Our neural network analyzes design, perforations, watermarks, overprints, and color tone to match your stamp with millions of records. Instant Catalog Match • See official catalog numbers (Scott, Michel, Stanley Gibbons, Sakura, etc.) and release data. Live Value Check • View current auction prices and historical sales to know what your stamp is really worth. Save & Organize • Add stamps to custom albums, track condition, and sync across devices. Key Features AI Recognition — Identify mint or used stamps—even partial images. Market Valuation — Dynamic price estimates in USD, EUR, GBP, JPY, CNY. Condition Grading — Auto-detect centering, perforation faults, creases. Catalog Library — 700 K+ issues from 1840 to 2025 with high-res reference images. Smart Search — Filter by country, year, theme, or face value. Camera Guide — Overlay grid and macro tips for perfect shots. Collection Manager — Track purchase price, location, and sale status. Cloud Backup — Keep your collection safe; restore on any device. Offline Mode — Identify previously synced stamps without internet. Learning Hub — Daily articles and quizzes to grow your philatelic knowledge. Perfect For Hobbyists cataloguing childhood albums Investors assessing market trends Dealers creating quick listings Educators and students researching postal history Stampify Premium CONFIDENTIALITY AND DATA USE The app does not process or store user data on its servers. Images used during stamp recognition processes are not sent or stored on developer servers in any way. All recognition, analysis and content creation is performed through artificial intelligence services provided directly by OpenAI. The app only temporarily processes the information returned by the analysis on the device. This approach ensures the highest level of data security. DISCLAIMER The Stampify app is for informational purposes only. The stamp values or information displayed should not be considered as investment advice. The results provided by artificial intelligence do not guarantee 100% accuracy. Users should verify results before making important decisions. Pricing and Terms Annual auto-renewing subscription Your subscription will automatically renew at the end of each term and will be charged through your iTunes account. You can turn off auto-renewal in your iTunes account settings. However, there is no refund for the charged portion of the period used. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://owlly.cc/privacy