OngoingAI

Ultimate PO Box Blocker usage & market intelligence

Shopify rating

5.0 ★

8 reviews

Pricing
Free trial available
Pro Monthly Plan$8.99/month

30-day free trial

  • • Block PO Box orders in real-time
  • • Setup in 1 click
  • • Customize your PO Box message
  • • Integrate Seamlessly with Shopify
  • • Advanced Settings at your fingertips
Pro Yearly Plan$96.99/year

30-day free trial

  • • Block PO Box orders in real-time
  • • Setup in 1 click
  • • Customize your PO Box message
  • • Integrate Seamlessly with Shopify
  • • Advanced Settings at your fingertips
What does Ultimate PO Box Blocker do?

If you're a merchant tired of dealing with lost packages, failed deliveries, or the extra costs associated with reshipping, then Ultimate PO Box Bl...

  • Auto-block PO Boxes carriers like FedEx, UPS, DHL can't deliver to.
  • Eliminate time, effort, cost resolving address issues after purchase.
  • Real-time validation flags undeliverable addresses during checkout.
  • Simple installation with seamless integration—no setup needed.
  • Advanced options to customize settings for specific shipping needs.

Features

Shipping ratesFlat feeCarrier-basedCustomer-basedDimension-basedDistance-basedProduct-basedQuantity-basedWeight-basedZIP/post codeRate blendingMulti-zoneMulti-originCustom notificationsPO Box restrictionsOrder limitsAddress validationRename optionsHide ratesReorder ratesGeolocationMulti-languageCustom rulesCheckout - Other
Review history
Daily review count on the Shopify App Store
8+3 · 29d~0.1/day· Rating steady at 5.0★
Aug 17Sep 14

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Category rankings
Live organic position on Shopify App Store category pages
  • Checkout - Other#74▼15
  • Shipping rates#96▼9

Tracked daily · last 30 days · as of 2026-09-15

Catalog position
Within Shipping rates on the App Store
Rank by reviews
#52 of 365
Review percentile
86th
Rating percentile
100th
On the App Store
2.9 yrs
Works with
Integrations listed for Ultimate PO Box Blocker
CheckoutShopify Admin
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Frequently asked questions

If you're a merchant tired of dealing with lost packages, failed deliveries, or the extra costs associated with reshipping, then Ultimate PO Box Bl... It's a shipping rates tool for ecommerce stores.