---
title: "Simple PO Box Blocker Shopify App Profile"
description: "This app helps merchants prevent shipping issues by detecting and blocking PO Box addresses at checkout. It also gives merchants control to restrict orders based on product titles, helping them comply with shipping policies or product limitations."
canonical_url: "https://shoplist.co/shopify-apps/simple-po-box-blocker"
markdown_url: "https://shoplist.co/shopify-apps/simple-po-box-blocker.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "simple-po-box-blocker"
source: "public Shopify app profile allowlist"
---

# Simple PO Box Blocker Shopify App Profile

> This app helps merchants prevent shipping issues by detecting and blocking PO Box addresses at checkout. It also gives merchants control to restrict orders based on product titles, helping them comply with shipping policies or product limitations.

## Quick answer
Simple PO Box Blocker has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Simple PO Box Blocker
- Monitoring status: Storefront detection limited
- Developer: Simple Tools
- Developer profile: https://shoplist.co/app-developers/simple-tools
- Shopify App Store URL: https://apps.shopify.com/simple-po-box-blocker
- Launch date: April 21, 2025
- Shoplist category: Shipping & Fulfillment
- Rating: 1
- Review count: 1
- Free trial signal: Yes

## Pricing summary
Pro: $2.99/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Block PO Box shipping addresses during checkout to prevent undeliverable orders
- Automatically detect product titles and block PO Boxes only for those products
- Customize blocking rules. Can include more than one product titles
## Shopify App Store categories
- Checkout - Other

## Data note
Profile updated: October 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-30 21:52:38.365301\+00
Detection metrics refreshed: 2026-10-30 14:53:23.662062\+00
Public app evidence date: 2026-10-13 22:45:13.245038\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/simple-po-box-blocker)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)