---
title: "Gentry: Require PO Numbers Shopify App Profile"
description: "B2B checkout shows the PO number as optional, so orders can arrive without the reference your buyer's accounts payable team needs to approve the invoice. This app stops a B2B order until the buyer enters a PO number, and shows your message under the PO field. It only checks orders placed for a company, so consumer checkout never changes, and it works on every plan with B2B. On Pro, require a PO format, give companies or locations their own rules or an exemption, and set messages per language."
canonical_url: "https://shoplist.co/shopify-apps/gentry-require-po-numbers"
markdown_url: "https://shoplist.co/shopify-apps/gentry-require-po-numbers.md"
last_updated: "2026-10-29"
entity_type: "shopify_app"
slug: "gentry-require-po-numbers"
source: "public Shopify app profile allowlist"
---

# Gentry: Require PO Numbers Shopify App Profile

> B2B checkout shows the PO number as optional, so orders can arrive without the reference your buyer's accounts payable team needs to approve the invoice. This app stops a B2B order until the buyer enters a PO number, and shows your message under the PO field. It only checks orders placed for a company, so consumer checkout never changes, and it works on every plan with B2B. On Pro, require a PO format, give companies or locations their own rules or an exemption, and set messages per language.

## Quick answer
Gentry: Require PO Numbers has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Gentry: Require PO Numbers
- Monitoring status: First-adopter watch
- Developer: Zachery Gentry
- Developer profile: https://shoplist.co/app-developers/zachery-gentry
- Shopify App Store URL: https://apps.shopify.com/po-guard
- Website: https://zacherygentry.com/
- Launch date: October 29, 2026
- Shoplist category: Wholesale
- Free trial signal: Yes

## Pricing summary
Standard: $4.99/month; Pro: $9.99/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 B2B orders until the buyer enters a PO number
- Show your message under the PO field, in the buyer's language
- Leave direct-to-consumer checkout exactly as it is
- Require a PO format: a prefix, a length or a pattern
- Exempt companies or locations, or give them their own PO rules
## Shopify App Store categories
- Wholesale

## Data note
Profile updated: October 29, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-30 17:41:22.776265\+00
Detection metrics refreshed: 2026-10-30 14:53:23.662062\+00
Public app evidence date: 2026-10-29 23:45:01.389915\+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/gentry-require-po-numbers)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)