WNS Stamps
The WADP Numbering System
Free · Designed for iPad. Not verified for macOS.
The essential reference guide for stamp lovers, the WNS is a reliable, unique and free database of certified stamps issued by Posts. Fully filterable and easily searchable with a single-click authentication using AI, this user-friendly database – with new stamps added to the vast collection every week – is the perfect tool to support your philatelic hobby!
Performance improvements and bug fixes for a faster, more reliable stamp verification experience.
The developer, Universal Postal Union, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Universal Postal Union
- Size
- 33.2 MB
- Category
- Books
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 6 more
- English, Arabic, French, German, Indonesian, Russian, Spanish
- Age Rating
4+
- 4+
- Copyright
- Copyright © 2025 WNS App. WNS data © Universal Postal Union (UPU).