228+ iOS apps curated and reviewed
Out of 228+ digital stamp decoder apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $2.99 | 5.0★ (2) | No | No | May 2026 |
| 2 |  | Free | 4.7★ (5.5K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (15K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (3.3K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 3.9★ (358) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (8.7K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (1.8M) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (20K) | No | Yes | Jul 2026 |
Reveal hidden images on USPS postage stamps using advanced Scrambled Indicia® technology. Originally designed for anti-counterfeiting, this app offers stamp collectors a unique way to authenticate and appreciate their collection. Explore the innovative world of philately with this modern collector's tool.
Instantly add timestamps, dates, captions, and logos to your photos and videos. Organize your visual documentation into projects that sync across devices and collaborate with your team in shared projects for seamless visual record-keeping.
Easily scan paper documents, receipts, and more using your device's camera or existing photos. Convert scans to editable text with OCR technology, manage and share PDFs, and print your documents.
Instantly identify and appraise your stamps using advanced image recognition. Get detailed information on origin, issue date, denomination, and market value to enhance your collecting experience. Ideal for both new and experienced philatelists.
Identify stamps using advanced image recognition and AI. Get detailed information from a vast online catalog and organize your collection. Supports photos from your camera or gallery.
Easily add date, time, location, and custom captions to your photos. Preserve your memories with customizable stamps that blend beautifully with your images. Edit or remove stamps non-destructively at any time.
Transform your mobile device into a powerful portable scanner. Instantly scan, edit, and share documents in various formats like PDF, JPG, Word, and TXT. Features include OCR, e-signatures, and secure file management.
This app transforms your phone into a portable scanner. Easily digitize documents, add signatures and stamps, and convert them into high-quality PDFs or JPEGs. It also features OCR for text recognition and translation, and allows direct faxing.
This app adds precise location, time, and custom branding to your photos and videos. It provides a secure proof of location feature, making your visual content more credible and professional for various documentation needs.
Instantly identify postage stamps by scanning them with your phone. Get detailed information including origin, year, historical context, and estimated market value. Organize your collection and explore a global catalog of stamps.
This app digitizes traditional punch cards, allowing users to collect stamps from their favorite businesses and earn free rewards. It offers a convenient way to manage loyalty programs across various industries, eliminating the need for physical cards and providing a hygienic, ad-free experience.
Capture your handwritten signature from paper using your phone's camera. The app automatically cleans and refines it for a professional, transparent digital signature to use on PDFs and other documents. Sign contracts, invoices, and agreements quickly and securely.
Transform your phone into a portable scanner to digitize documents, receipts, and images. Convert scanned content to various formats, extract text using OCR, and manage your files efficiently. Secure your documents with advanced features.
Easily sign and manage PDF documents and other file formats with this comprehensive e-signature solution. Upload files, create templates, and collect legally-binding signatures from multiple parties. Securely store and access your documents online or offline.
Collect digital stamp cards from your favorite independent businesses in one place. Get instant rewards, free goodies, and exclusive discounts without the clutter of physical cards. Never lose a stamp again with this unique digital loyalty program.
This app functions as a versatile scanner, capable of reading QR codes, barcodes, business cards, and documents. It also allows for the creation of custom QR codes and provides features like auto-detect scanning and website security checks.
This app helps collectors quickly identify United States stamps using a step-by-step wizard and camera recognition. It covers a wide range of US stamp types and detailed attributes for accurate identification.
This app digitizes loyalty stamp cards, allowing users to collect stamps and earn rewards from participating businesses. It offers features like welcome and birthday rewards, promotions, and prize draws for a streamlined loyalty experience.
Transform your phone into a portable scanner to digitize any document. Easily scan, edit, sign, and share PDFs or JPEGs. Features include OCR for text conversion, annotation, and secure local storage.
Instantly identify postage stamps by taking a photo. This app uses AI to provide details like origin, value, and historical context. Organize your collection and connect with other enthusiasts.