Ninja Address Validation vs Address Validation iO
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- Address Validation iO is detected on 13× as many Shopify stores as Ninja Address Validation: 13 vs 1 as of Nov 8, 2026.
- On the Shopify App Store: Ninja Address Validation 5.0 from 46 reviews and Address Validation iO 4.8 from 13 reviews.
- Address Validation iO lists 11 features Ninja Address Validation’s listing doesn’t mention, including Address, Analytics, Automated workflows.
Head to head
- Netherlands
- Germany
- United States
- 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
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).
Address Validation iO verifies addresses and emails. Validate during and after checkout, using autocomplete to improve input accuracy. It detects missing house numbers, PO boxes, broken ZIP codes and invalid email accounts. Customers are notified to correct issues. Reduces returns and support tickets. Easy to install and quick to set up. Works with all Shopify themes and plans. No coding required.
- 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
- Realtime address validation helps customers provide correct data during checkout
- Wrong addresses will trigger a prompt after checkout on the 'Thank You'-page
- Insightful analytics through BI-dashboard
- Fully customizable and multilingual frontend
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 |  Address Validation iO |
|---|---|---|
| Detected stores | 1 | 13(ahead) |
| 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 | Home & Garden, Electronics, Health & Beauty |
| Top store countries | Netherlands | Germany, United States, Netherlands |
Reviews
| Measure | Ninja Address Validation | Address Validation iO |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.8 ★ |
| App Store reviews | 46(ahead) | 13 |
| New reviews, 28 days | 0 | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Ninja Address Validation | Address Validation iO |
|---|---|---|
| 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 | Address Validation iO |
|---|---|---|
| Shopify category rank | #44 | #54 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Feb 2, 2024 | Sep 15, 2022 |
| Languages | 1 | 2 |
| Developer | Magical Apps | Moving Primates GmbH |
FAQ
Ninja Address Validation and Address Validation iO: common questions
- Which is more popular, Ninja Address Validation or Address Validation iO?
- Address Validation iO is detected on 13× as many Shopify stores as Ninja Address Validation: 13 vs 1 as of Nov 8, 2026.
- Which has better reviews, Ninja Address Validation or Address Validation iO?
- On the Shopify App Store: Ninja Address Validation 5.0 from 46 reviews and Address Validation iO 4.8 from 13 reviews.
- 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. Address Validation iO lists 11 the others don’t mention, such as Address, Analytics, Automated workflows, Bulk editing. 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 8, 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 8, 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.