Ninja Address Validation vs One‑Step Address Validator
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Ninja Address Validation, Oct 13, 2026 for One‑Step Address Validator.
The short answer
- Ninja Address Validation lists 2 features One‑Step Address Validator’s listing doesn’t mention, including Order limits, Order tracking.
Head to head
- Netherlands
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
Free
- · 30 days free trial
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).
One-Step Address Validator adds address search to your Shopify Plus checkout. As a customer types, the app suggests matching addresses and checks the one they pick against official postal data, such as Royal Mail PAF in the UK. It corrects typos and fills in missing details before the order is placed. Trusted by leading brands, Ideal Postcodes is integrated with top platforms like Salesforce and AdobeCommerce.
- 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
- Validates global addresses from authoritative sources such as Royal Mail & USPS
- Single set up, eliminating multi-step verification and reducing friction
- Auto-corrects typos, completes and formats addresses for accurate delivery
- Easy to install. No coding required and customisable to fit 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 |  One‑Step Address Validator |
|---|---|---|
| Detected stores | 1 | Not published |
| 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 | Not published |
| Top store countries | Netherlands | Not published |
Reviews
| Measure | Ninja Address Validation | One‑Step Address Validator |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 46 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Ninja Address Validation | One‑Step Address Validator |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $4.99/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 3 | 1 |
Listing
| Measure | Ninja Address Validation | One‑Step Address Validator |
|---|---|---|
| Shopify category rank | #43(ahead) | #436 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Feb 2, 2024 | Oct 23, 2025 |
| Languages | 1 | 1 |
| Developer | Magical Apps | Ideal Postcodes |
FAQ
Ninja Address Validation and One‑Step Address Validator: common questions
- What features does each app list that the other doesn’t?
- Ninja Address Validation lists 2 the others don’t mention, such as 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 for Ninja Address Validation, Oct 13, 2026 for One‑Step Address Validator; 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 for Ninja Address Validation, Oct 13, 2026 for One‑Step Address Validator. 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.