Stamp Stack

Track Your Tax Stamps

Only for iPhone

$3.99 · Designed for iPhone. Not verified for macOS.

iPhone

Keep your NFA collection organized with Stamp Stack - the secure, private way to track your Form 4 approvals and tax stamps. Key Features: - Scan Form 4 documents with automatic text extraction - Track pending submissions and approved stamps - Monitor wait times and approval dates - Organize items by type: suppressors, SBRs, SBS, AOW, machine guns, and more - Manage NFA trusts and associated items - Secure cloud backup with end-to-end encryption - Biometric lock (Face ID / Touch ID) and PIN protection - Import documents directly from email Your Data, Your Control: All data is encrypted on your device before syncing to the cloud. Only you can access your information - we can't see your items, documents, or personal details. Perfect for: - Suppressor owners tracking wait times - Collectors managing multiple NFA items - Trust owners organizing shared items - Anyone waiting on Form 4 approval

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The developer, Daniel Goodwin, 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 Collected

    The developer does not collect any data from this app.

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

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

    Seller
    • Daniel Goodwin
    Size
    • 86.3 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 15.5 or later.
    • iPhone
      Requires iOS 15.5 or later.
    • iPod touch
      Requires iOS 15.5 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
    Age Rating
    9+
    Copyright
    • © Apex3D