PostRules vs Zip Blocker PRO
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for PostRules, Oct 14, 2026 for Zip Blocker PRO.
The short answer
- Paid plans start at $15/month for PostRules and $5/month for Zip Blocker PRO.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
All Access
- · Everything included
- · Unlimited Rules
Regular
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePostRules lets merchants create rules that filter shipping rates at checkout based on a customer's postcode. Show mode restricts postcodes to specific shipping methods. E.g. Only show rural delivery options to rural postcodes or block mode prevents customers placing orders from postcodes you can't deliver to. Everything is configured within the app's dashboard.
Zip Block Pro – Block checkout by zip code. Add zip codes to an exclusion list in the app. At checkout, if the customer’s shipping zip is on that list, the order is blocked and they see: “We cannot ship to [zip]. Please use a different address.” How it works: Enter the zip codes you want to block (comma-separated), save, then enable the app under Settings → Checkout → Checkout rules. No code or theme changes.
- Filter shipping rates by postcode; show or block at checkout.
- Built-in postcode presets for common regions like NZ rural areas
- Draft and active states let you prepare rules before going live.
- Stale rate detection alerts you when Shopify shipping rates change.
- Enter blocked zip codes (comma-separated) and save. No code or theme edits.
- Block checkout when the shipping zip code is on your exclusion list.
- At checkout shipping zip is checked against your list blocked zips can’t complet
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  PostRules |  Zip Blocker PRO |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | PostRules | Zip Blocker PRO |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 3 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | PostRules | Zip Blocker PRO |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $15/month | $5/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 1 | 1 |
Listing
| Measure | PostRules | Zip Blocker PRO |
|---|---|---|
| Shopify category rank | #65(ahead) | #456 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 1, 2026 | Apr 9, 2026 |
| Languages | 1 | 1 |
| Developer | Subject Matter | David Duarte |
FAQ
PostRules and Zip Blocker PRO: common questions
- Is PostRules or Zip Blocker PRO cheaper?
- Paid plans start at $15/month for PostRules and $5/month for Zip Blocker PRO. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 7, 2026 for PostRules, Oct 14, 2026 for Zip Blocker PRO; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 7, 2026 for PostRules, Oct 14, 2026 for Zip Blocker PRO. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.