WNS Stamps

The WADP Numbering System

Free · Designed for iPad

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!

  • 5.0
    out of 5
    1 Ratings

We’ve redesigned the way you share your favorite stamps! With this update, you can now share any WNS stamp through your preferred platform — including WhatsApp, Facebook, X, LinkedIn, Email, or native sharing.

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

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Provider
    • Universal Postal Union
  • Size
    • 31.4 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.
  • Languages
    • English and French
  • Age Rating
    4+
  • Copyright
    • Copyright © 2025 WNS App. WNS data © Universal Postal Union (UPU).