---
title: "PO Box Blocker — AddressFence Shopify App Profile"
description: "AddressFence stops PO box and parcel locker addresses from being used as the shipping address at checkout. Install, turn on the PO box and locker rules, and they work right away; a small set of ZIP/postal rules is included free. When you need more, paid upgrades add street-number checks, custom checkout error messages, region rules, CSV import, billing-address rules and allowlists. Test any address in the simulator before publishing, with one-click rollback."
canonical_url: "https://shoplist.co/shopify-apps/momiji-address-guard"
markdown_url: "https://shoplist.co/shopify-apps/momiji-address-guard.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "momiji-address-guard"
source: "public Shopify app profile allowlist"
---

# PO Box Blocker — AddressFence Shopify App Profile

> AddressFence stops PO box and parcel locker addresses from being used as the shipping address at checkout. Install, turn on the PO box and locker rules, and they work right away; a small set of ZIP/postal rules is included free. When you need more, paid upgrades add street-number checks, custom checkout error messages, region rules, CSV import, billing-address rules and allowlists. Test any address in the simulator before publishing, with one-click rollback.

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

## Key facts
- Name: PO Box Blocker — AddressFence
- Monitoring status: First-adopter watch
- Developer: momiji-shop
- Developer profile: https://shoplist.co/app-developers/momiji-shop
- Shopify App Store URL: https://apps.shopify.com/address-guard
- Website: https://address.momiji-space.com
- Launch date: June 22, 2026
- Shoplist category: Shipping & Fulfillment
- Free plan signal: Yes

## Pricing summary
Free: Free; Pro: $9.99/month; Plus: $19.99/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.


## App Signals
As of November 9, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated; 2 days held out of movement)
- Primary App Store category: Checkout - Other, #149 (14-day median position)
- Listing reviews: 0

## Public callouts
- Publish checkout-native address rules without theme code.
- Block PO Boxes, lockers, ZIP/postal ranges, and unsupported regions.
- Preview, publish, roll back, and restore validation configs.
## 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: 2026-11-09 12:58:23.902751\+00
Detection metrics refreshed: 2026-11-09 10:00:00.198215\+00
Public app evidence date: 2026-10-13 23:35:11.578814\+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/momiji-address-guard)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)