★★★★★
The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.
PO Box Blocker Pro
by Dev Kit
Block PO boxes, lockers & undeliverable addresses at checkout
- Rating
- 1.0
- Reviews
- 1
- Pricing from
- $2.99/mo
- Launched
- Jul 2025
First seen 18 Sep 2026 · Data updated 1 week ago
Worst recent reviews
1- and 2-star reviews reveal what this app gets wrong: the gaps a competitor could fill.
About PO Box Blocker Pro
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.
Highlights
- Block PO boxes, parcel lockers, locked/private bags & APO/FPO addresses
- Restrict delivery by country, state, region, county or postal code
- Allow chosen products, variants or collections to bypass any rule
- Set a custom checkout message that helps shoppers fix their address
- Test any address in the built-in tester before you go live
Languages
English