Shopify app
EmergingUltimate Postal Code Blocker
Prevent unwanted deliveries by blocking specific postal codes
- Rating on Shopify
- 4.5(13)
- Reviews
- 13
- Developer
- MSM TECHNOLOGIES
- Launched
- November 25, 2024
- Pricing
- From $8.99/month. Free trial available.
- Languages
- English
The facts
Every value below is read from the listing or computed by the published formula. Nothing is a verdict.
Bayesian rating
4.40
category median 4.49
Reviews in the last 180 days
3
from the 3 reviews on the listing page
1 and 2 star share
8%
1 of 13
Starting price
$8.99/month
band: Under $10 · 30-day trial
Pricing plans as listed on Shopify
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
| Plan | Price | Billed yearly | Trial | Usage fee | Included |
|---|---|---|---|---|---|
| Pro Monthly Plan | $8.99/month | not offered | 30 days | none stated | Stop high-cost postal codes in real-time; Setup in a few clicks; Customize your blocking message; Handle 1000+ codes with ease; Advanced Settings at your fingertips; Integrate Seamlessly with Shopify; Anytime Support |
| Pro Yearly Plan | $96.99/year | not offered | 30 days | none stated | Stop high-cost postal codes in real-time; Setup in a few clicks; Customize your blocking message; Handle 1000+ codes with ease; Advanced Settings at your fingertips; Integrate Seamlessly with Shopify; Anytime Support; Save 10% yearly |
Rating distribution
13 ratings on the listing at crawl time.
- 5 stars12(92%)
- 4 stars0(0%)
- 3 stars0(0%)
- 2 stars0(0%)
- 1 star1(8%)
Latest reviews
The 3 most recent of 3 on-page reviews, quoted to at most 25 words each. Full reviews are on the Shopify listing.
5 starsSep 25, 2026Furniture City (Lahore)Albania3 days using the app
"Friday afternoons used to involve going aero bar stool deliveries and checking every new address. Most were fine,but there would usually be someone outside our ..."
5 starsSep 22, 2026Swanie StoreUnited States3 days using the app
"Delivery within United States only was on the product pages, the delivery page and the cart. Still got orders for Gloss Drip Lip Gloss from ..."
5 starsSep 18, 2026Hub MartUnited States3 days using the app
"The whitelist sold me on this. Our delivery partner covers a handful of cities in USA and gave us the postcodes. Much less work to ..."
Works with
Third-party integrations link to their hub when 5 or more apps name them. Shopify's own surfaces are listed separately and never counted as integrations.
Shopify surfaces: Checkout, Shopify Admin
Data access
As disclosed on the listing. Never scored.
View customer data
Sensitive data, device and activity data
- Sensitive data: Physical address
- Device and activity data: Geolocation, IP address, browser and operating system, browsing behavior, client ID cookie
View staff and contributor data
Store owner
- Store owner: Name, email address, phone number, physical address
View and edit store data
Customers, products, orders, store analytics, Shopify Functions
- View customers: Browsing behavior
- View products: Products, collections
- View orders: Shipping information
- Edit store analytics: Web pixels
- Edit Shopify Functions: Cart and checkout validations, delivery customizations
- Edit other data: Locales, Shopify Markets settings, translations
Developer
MSM TECHNOLOGIES
- Apps in the dataset:
- 2
- Address:
- 1915 rue Poupart, Montreal, QC, H2K3H1, CA
- Website:
- msmtech.ca
- Support email domain:
- msmtech.ca
- English support:
- yes
- Resources:
- Privacy policy
Similar apps
Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.
From the Shopify listingDeveloper claims, shown verbatim and collapsed. 68 words.Show
- Auto-block undeliverable postal codes at checkout.
- Eliminate time, effort, and costs resolving address issues after purchase.
- Works on all Store plans. No Carrier Shipping needed.
- Simple installation with seamless integration—minimal setup needed.
- Block thousands of codes or more.
Block Costly Undeliverable Postal Codes in Real Time at Checkout. On Any Store Plan.
Stop expensive shipping mistakes before they start. Ultimate Postal Code Blocker scans the address field in real time and rejects high-cost or undeliverable postal codes—no Carrier Calculated Shipping required. Compatible with all store plans, it handles thousands of codes or more, providing real-time protection. Reduce losses, protect your brand, and navigate tough areas effortlessly.
Questions and comments
Questions people ask about Ultimate Postal Code Blocker, answered from what this page shows. Entries marked Site editor are written by the EcomAppReviews editor. Reader comments appear after a person has read and approved them, usually within a day. E-mail addresses are never published.
Data as of Oct 20, 2026, from the public Shopify App Store listing. How the numbers are computed: methodology.
13 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed at crawl time.