# Stamp Stack — Track Your Tax Stamps

> Track Your Tax Stamps (iPhone/iPad app by Daniel Goodwin.)

- Source: https://appshunter.io/ios/app/stamp-stack/id6757575828 (this page in markdown: same URL + `.md`)
- Developer: [Daniel Goodwin](https://appshunter.io/developer/1830723743)
- Category: Utilities, Productivity
- Price: $3.99
- Age rating: 4+
- Requires: iOS 15.5 · 82 MB
- Languages: American English
- Released: 2026-01-24
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/stamp-stack/id6757575828/reviews.md

## What is Stamp Stack?

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


## Version history (last 1 release)

### 1.0 — 2026-01-24

No release notes.

## More apps by Daniel Goodwin

- [Fur Ledger](https://appshunter.io/ios/app/fur-ledger/id6749603003)

All apps by Daniel Goodwin: https://appshunter.io/developer/1830723743

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*