Ninja Address Validation vs Kpostcode Korea Address Lookup
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026.
The short answer
- Ninja Address Validation and Kpostcode Korea Address Lookup are detected on the same number of Shopify stores (1) as of Nov 9, 2026.
- On the Shopify App Store: Ninja Address Validation 5.0 from 46 reviews and Kpostcode Korea Address Lookup 3.0 from 1 reviews.
- Paid plans start at $4.99/month for Ninja Address Validation and $10/month for Kpostcode Korea Address Lookup.
- Ninja Address Validation lists 3 features Kpostcode Korea Address Lookup’s listing doesn’t mention, including Address validation, Order limits, Order tracking.
Head to head
- Netherlands
- South Korea
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · Apartment and suite number check
- · Block PO boxes at checkout
- · Block missing house numbers
- · Block special characters and emojis
- · Block specific zip and postal codes
- · For any Shopify store
Growth
- · Block or allow DHL Paketshop
- · Everything in Starter, plus:
- · For stores shipping to Germany
- · Free for development stores
- · Validate DHL Packstation format
Pro
- · Custom regex rules for any pattern
- · Everything in Growth, plus:
- · For stores with complex address rules
- · Free for development stores
- · Set max characters per address field
- · Verify addresses after checkout
Standard
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureNinja Address Validation App stops bad orders at checkout. Block missing house numbers (Hausnummer), invalid postal codes, PO boxes and special characters. Verify addresses with the address checker. Restrict ZIP codes and set country rules. Validate DHL Packstation and Paketshop formatting. Address validator works with express checkouts (PayPal, Apple Pay, Google Pay, Shop Pay).
Shopify에서 Checkout Extension UI 사용을 제한하고 있어, 이 앱은 아쉽게도 “Shopify PLUS 고객만”이용할 수 있습니다. Leveraging the Korean government’s address lookup API, this tool simplifies checkout for South Korea. It enables accurate address and postcode lookup, reducing cart abandonment and improving customer satisfaction. Essential for the Korean market, it ensures fast, reliable address entry.
- Block users when the address contains non-latin or special characters
- Block all PO Boxes with professional checkout validation & address validition
- Block users from checkout without a house number and/or without a street name
- Works on all Shopify stores, not just Shopify+ stores like most other solutions
- Korean address and postcode lookup for accurate checkout process
- Integration with the official Korean government’s address database API
- Fully compatible with Checkout Extensibility
- Customisable widget to match your brand
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 |  Ninja Address Validation |  Kpostcode Korea Address Lookup |
|---|---|---|
| Detected stores | 1 | 1 |
| Net store change, 28 days | +1 | 0 |
| Stores added, 28 days | 1 | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories | Furniture |
| Top store countries | Netherlands | South Korea |
Reviews
| Measure | Ninja Address Validation | Kpostcode Korea Address Lookup |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 3.0 ★ |
| App Store reviews | 46(ahead) | 1 |
| New reviews, 28 days | 0 | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Ninja Address Validation | Kpostcode Korea Address Lookup |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $4.99/month(ahead) | $10/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 3 | 1 |
Listing
| Measure | Ninja Address Validation | Kpostcode Korea Address Lookup |
|---|---|---|
| Shopify category rank | #43 | #29 |
| Shopify App Charts | Not on this week’s charts | #1 in Internationalization - Other |
| Built for Shopify | Yes | No |
| Launched | Feb 2, 2024 | Aug 13, 2024 |
| Languages | 1 | 1 |
| Developer | Magical Apps | Seoul Commerce |
FAQ
Ninja Address Validation and Kpostcode Korea Address Lookup: common questions
- Which is more popular, Ninja Address Validation or Kpostcode Korea Address Lookup?
- Ninja Address Validation and Kpostcode Korea Address Lookup are detected on the same number of Shopify stores (1) as of Nov 9, 2026.
- Is Ninja Address Validation or Kpostcode Korea Address Lookup cheaper?
- Paid plans start at $4.99/month for Ninja Address Validation and $10/month for Kpostcode Korea Address Lookup. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Ninja Address Validation or Kpostcode Korea Address Lookup?
- On the Shopify App Store: Ninja Address Validation 5.0 from 46 reviews and Kpostcode Korea Address Lookup 3.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- Ninja Address Validation lists 3 the others don’t mention, such as Address validation, Order limits, Order tracking. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- 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 9, 2026; 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 9, 2026. 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.