--- title: "Digital Stamp Decoder - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 Scr" --- # Digital Stamp Decoder — United States ![Digital Stamp Decoder App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/fd/17/2e/fd172efa-f4ba-3890-6e70-5c0c87ab65d7/AppIcon-0-0-1x_U007ephone-0-1-0-sRGB-85-220.png/434x0w.png) **Developer:** [Graphic Security Systems](https://apptail.io/developer/graphic-security-systems-lDFc) **Category:** Education **Rating:** 5.0/5 (2 ratings) **Price:** $2.99 **Bundle ID:** com.graphicsecurity.StampApp **Store:** Apple App Store **Country:** United States **Version:** v0.2.1 (released 2025-04-01) **Original Release:** 2024-10-28 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1671241165) **AppTail Page:** [https://apptail.io/app/digital-stamp-decoder-Dceu/united-states](https://apptail.io/app/digital-stamp-decoder-Dceu/united-states) ## Digital Stamp Decoder Description 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! ## Digital Stamp Decoder Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d1/c6/f2/d1c6f271-e9a7-947c-6212-3efe98d09df0/ad863dd1-347c-4521-b3e4-53a5d60b22b2_1_15promax_home.jpeg/1290x2796.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/40/7d/83/407d8311-e817-3108-de93-0397210dca72/6a8e5cb2-12a1-4feb-bb8d-357d104628dd_2_15promax_settings.jpeg/1290x2796.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ac/ca/1b/acca1bb0-0cb3-c5cb-22e9-185b5f9f5ea0/aaaa224c-58c7-4d69-b08d-3ec8b9d1254c_5_15promax_success.jpeg/1290x2796.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/73/46/8b/73468b16-099e-d63f-a9df-fddf13e36b5d/b03825c2-d4c5-4405-8e69-5a5997e01d1e_3_15promax_records.jpeg/1290x2796.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/23/fe/27/23fe273d-c2e4-9577-013b-7f5b52fd3eaf/5c651220-fdbb-4706-896d-a42a65595bd3_4_15promax_record.jpeg/1290x2796.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/34/a9/b9/34a9b975-c91d-cb83-0fdf-71cb99b36ebe/6579e1ff-42b1-49e8-9c0e-51b6da228aac_6_15promax_tutorial1.jpeg/1290x2796.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/50/3f/39/503f3962-50f1-2450-1de5-fd48a5e24692/0199238c-ede6-4493-84aa-e126aa36c248_7_15promax_tutorial2.jpeg/1290x2796.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d6/a0/1a/d6a01a5f-ee5b-bf5b-1bf9-e094be120dd0/105073f3-6160-44e9-b0c3-6854d143e0b4_8_15promax_tutorial3.jpeg/1290x2796.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1a/71/17/1a711783-42b3-c017-a6db-9a029f3eb32e/051688ac-4fcd-432e-80cc-1e9c04a5a7f4_9_15promax_tutorial4.jpeg/1290x2796.png) ## Digital Stamp Decoder Rating Breakdown in United States - 5 stars: 2 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## Digital Stamp Decoder Available In - [United States](https://apptail.io/app/digital-stamp-decoder-Dceu/united-states) - [Germany](https://apptail.io/app/digital-stamp-decoder-Dceu/germany) - [Spain](https://apptail.io/app/digital-stamp-decoder-Dceu/spain) - [Canada](https://apptail.io/app/digital-stamp-decoder-Dceu/canada) - [Switzerland](https://apptail.io/app/digital-stamp-decoder-Dceu/switzerland) - [Chile](https://apptail.io/app/digital-stamp-decoder-Dceu/chile) - [China](https://apptail.io/app/digital-stamp-decoder-Dceu/china) - [Czechia](https://apptail.io/app/digital-stamp-decoder-Dceu/czechia) - [Denmark](https://apptail.io/app/digital-stamp-decoder-Dceu/denmark) - [Dominican Republic](https://apptail.io/app/digital-stamp-decoder-Dceu/dominican-republic) - [Ecuador](https://apptail.io/app/digital-stamp-decoder-Dceu/ecuador) - [Finland](https://apptail.io/app/digital-stamp-decoder-Dceu/finland) - [France](https://apptail.io/app/digital-stamp-decoder-Dceu/france) - [United Kingdom](https://apptail.io/app/digital-stamp-decoder-Dceu/united-kingdom) - [Greece](https://apptail.io/app/digital-stamp-decoder-Dceu/greece) - [Croatia](https://apptail.io/app/digital-stamp-decoder-Dceu/croatia) - [Hungary](https://apptail.io/app/digital-stamp-decoder-Dceu/hungary) - [Ireland](https://apptail.io/app/digital-stamp-decoder-Dceu/ireland) - [India](https://apptail.io/app/digital-stamp-decoder-Dceu/india) - [Japan](https://apptail.io/app/digital-stamp-decoder-Dceu/japan) - [South Korea](https://apptail.io/app/digital-stamp-decoder-Dceu/south-korea) - [Kuwait](https://apptail.io/app/digital-stamp-decoder-Dceu/kuwait) - [Cayman Islands](https://apptail.io/app/digital-stamp-decoder-Dceu/cayman-islands) - [Kazakhstan](https://apptail.io/app/digital-stamp-decoder-Dceu/kazakhstan) - [Luxembourg](https://apptail.io/app/digital-stamp-decoder-Dceu/luxembourg) - [Mexico](https://apptail.io/app/digital-stamp-decoder-Dceu/mexico) - [Malaysia](https://apptail.io/app/digital-stamp-decoder-Dceu/malaysia) - [Nigeria](https://apptail.io/app/digital-stamp-decoder-Dceu/nigeria) - [Netherlands](https://apptail.io/app/digital-stamp-decoder-Dceu/netherlands) - [New Zealand](https://apptail.io/app/digital-stamp-decoder-Dceu/new-zealand) - [Peru](https://apptail.io/app/digital-stamp-decoder-Dceu/peru) - [Philippines](https://apptail.io/app/digital-stamp-decoder-Dceu/philippines) - [Pakistan](https://apptail.io/app/digital-stamp-decoder-Dceu/pakistan) - [Poland](https://apptail.io/app/digital-stamp-decoder-Dceu/poland) - [Portugal](https://apptail.io/app/digital-stamp-decoder-Dceu/portugal) - [Romania](https://apptail.io/app/digital-stamp-decoder-Dceu/romania) - [Singapore](https://apptail.io/app/digital-stamp-decoder-Dceu/singapore) - [United Arab Emirates](https://apptail.io/app/digital-stamp-decoder-Dceu/united-arab-emirates) - [Vietnam](https://apptail.io/app/digital-stamp-decoder-Dceu/vietnam) - [Australia](https://apptail.io/app/digital-stamp-decoder-Dceu/australia) - [Belarus](https://apptail.io/app/digital-stamp-decoder-Dceu/belarus) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*