---
title: "PO Box Blocker Pro Shopify App Profile"
description: "PO Box Blocker Pro checks each shipping address at checkout and blocks addresses you can't deliver to before the order is placed. Block PO boxes, parcel lockers, locked bags, private bags and APO/FPO addresses, or restrict delivery by country, state, city or postal code. Allow chosen products, variants or collections to bypass the rules, set a custom checkout message, and test any address before going live. Works on standard checkout and Shop Pay across all Shopify plans. No theme edits needed."
canonical_url: "https://shoplist.co/shopify-apps/po-box-blocker-pro"
markdown_url: "https://shoplist.co/shopify-apps/po-box-blocker-pro.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "po-box-blocker-pro"
source: "public Shopify app profile allowlist"
---

# PO Box Blocker Pro Shopify App Profile

> PO Box Blocker Pro checks each shipping address at checkout and blocks addresses you can't deliver to before the order is placed. Block PO boxes, parcel lockers, locked bags, private bags and APO/FPO addresses, or restrict delivery by country, state, city or postal code. Allow chosen products, variants or collections to bypass the rules, set a custom checkout message, and test any address before going live. Works on standard checkout and Shop Pay across all Shopify plans. No theme edits needed.

## Quick answer
PO Box Blocker Pro has 3 detected stores in Shoplist. This Markdown profile displays 3 public brand examples; it is not a complete customer list.

## Key facts
- Name: PO Box Blocker Pro
- Monitoring status: Merchant data available
- Developer: Dev Kit
- Developer profile: https://shoplist.co/app-developers/dev-kit
- Shopify App Store URL: https://apps.shopify.com/pobox-blocker
- Launch date: July 4, 2025
- Shoplist category: Collections & Merchandising
- Detected stores: 3
- Rating: 1
- Review count: 1
- Free trial signal: Yes

## Pricing summary
Essential: $2.99/month; Pro: $4.99/month

## Shoplist app-stack sample
Shoplist has public app-stack evidence for the brands below using PO Box Blocker Pro. This Markdown page displays 3 public brands. This page exposes a small sample so agents can cite Shoplist-native install intelligence without treating the sample as the full dataset.

| Brand | Category or market | Products | Active apps | Shoplist profile |
| --- | --- | --- | --- | --- |
| Pure n Natural Systems | Home & Garden | 740 | 18 | https://shoplist.co/shopify-brands/purennatural-com.md |
| Cleanflow | Business & Industrial | 5,993 | 14 | https://shoplist.co/shopify-brands/cleanflow.md |
| DayBox | Home & Garden | 4 | 5 | https://shoplist.co/shopify-brands/daybox-com.md |

This table is intentionally a public sample. It does not expose the full brand list, install timeline, contact data, people data, internal scores, crawl provenance, or unstable operational fields.

## Shopify App Charts
Placements in the week of November 2, 2026 (published Mondays; ranks are the published chart rows, not computed here).

| Chart | Rank | Change | Value | Chart page |
| --- | --- | --- | --- | --- |
| Top in Shipping solutions - Other | \#3 | NEW | 2 stores \(estimated\) | https://shoplist.co/shopify-apps/rankings/orders-and-shipping-shipping-solutions-shipping-solutions-other |

How the charts are built: https://shoplist.co/shopify-apps/rankings/methodology

## App Signals
As of November 8, 2026:

- Stores running it: 3, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated; 1 day held out of movement; detection coverage changed in this window)
- Primary App Store category: Shipping solutions - Other, #276 (14-day median position)
- Top countries: Canada: 1 stores; United States: 1 stores

## Public callouts
- Automatically detects and blocks PO Box addresses during checkout.
- Allows merchants to exempt specific products from PO Box blocking.
- Customize the message shown when customers enter a PO Box address.
- Works seamlessly with Shopify Checkout and doesn’t require any theme edits.
- Toggle PO Box blocking on or off at any time with a single click.
## Shopify App Store categories
- Shipping solutions - 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: 2026-11-08 20:51:15.578131\+00
Detection metrics refreshed: 2026-11-08 10:00:00.19319\+00
Public app evidence date: 2026-10-13 23:35:09.018143\+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/po-box-blocker-pro)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)