Digital Stamp Decoder のアプリ分析 1月29日
Digital Stamp Decoder
- Graphic Security Systems Corp.
- Apple App ストア
- 有料
- 教育
Uncover hidden images in USPS postage stamps with the Digital Stamp Decoder! Originally developed by GSSC in partnership with USPS to protect against counterfeiting, this app brings the innovative Scrambled Indicia® technology to your smartphone. Now, you can reveal the hidden designs in the popular Shuttle Stamp, a must-have for stamp collectors and philatelists. Download the app, showcase your collection, and enjoy a unique, modern twist on stamp authentication. Don't miss out on this innovative collector's tool!
ストアランキング
ストアランキングは、GoogleとAppleが設定した複数のパラメータに基づいています。
業界別 ウェブサイトカテゴリーで
米国--
教育で
米国--
Digital Stamp Decoder VS. 1月 29, 2026