OngoingAI

Ninja Address Validation App usage & market intelligence

Shopify rating

4.9 ★

46 reviews

What merchants actually report
4.90average· 40 reviews analyzed· 37 with written feedback
95% 5★3% ≤3★

48% of attributable reviewers are Germany merchants. 3% had used the app for a year or more when they reviewed.

The developer replies to 43% of reviews overall and 100% of critical ones.

Recent reviewers rate Ninja Address Validation App 5.00, above its 4.90 lifetime average.

Rating · last 90d

5.00

Recent direction

Replies to reviews

43%

Developer response rate

Replies to critical

100%

On 3★ and below

Long-term reviewers

3%

Using 1yr+ at review

Top merchant markets

Germany 48%United States 18%Netherlands 10%Austria 5%Australia 5%

Tenure when reviewed

under a day 38%days 40%months 20%a year or more 3%

Based on public merchant reviews, with newer feedback given more weight. OngoingAI matches each review to an identifiable store and the app they use.

Pricing
Free plan available
Development storesFree
  • • For development stores only
  • • All features unlocked
  • • No time limit
Starter$4.99/month

14-day free trial

  • • For any Shopify store
  • • Block missing house numbers
  • • Block PO boxes at checkout
  • • Block special characters and emojis
  • • Block specific zip and postal codes
Basic$9.99/month

14-day free trial

  • • For stores shipping to Germany
  • • Everything in Starter, plus:
  • • Validate DHL Packstation format
  • • Block or allow DHL Paketshop
Pro$14.99/month

14-day free trial

  • • For stores with complex address rules
  • • Everything in Basic, plus:
  • • Set max characters per address field
  • • Custom regex rules for any pattern
What does Ninja Address Validation App do?

Shopify address validation app. Block missing house numbers, PO boxes, bad postal codes & special characters at checkout. Stop bad orders. Free plan available.

  • Address validation to block missing house numbers and incomplete addresses
  • Validate postal codes, block PO boxes + restrict specific zip codes at checkout
  • Block special characters, non-latin characters, and emojis in address fields
  • Validate DHL Packstation and Paketshop formatting for German merchants
  • Address checker works with PayPal, Apple Pay, Google Pay, Shop Pay, and POS

Features

Delivery and pickupAddress validationOrder limitsOrder trackingCheckout - Other
Review history
Daily review count on the Shopify App Store
46+2 · 26d~0.1/day· Rating 5.0★ → 4.9★
Aug 10Sep 4

Daily tracking from Aug 10, 2026 through today · 25 days observed

Category rankings
Live organic position on Shopify App Store category pages
  • Checkout - Other#17 on Aug 15 → #27 on Sep 5 · 22 observed days#27▼10
  • Delivery and pickup#22 on Aug 15 → #32 on Sep 5 · 22 observed days#32▼10

Tracked daily · last 22 days · as of 2026-09-05

Catalog position
Within Delivery and pickup on the App Store
Rank by reviews
#36 of 466
Review percentile
92th
Rating percentile
78th
On the App Store
2.6 yrs
Works with
Integrations listed for Ninja Address Validation App
CheckoutShopify Admin
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Frequently asked questions

Shopify address validation app. Block missing house numbers, PO boxes, bad postal codes & special characters at checkout. Stop bad orders. Free plan available. It's a delivery and pickup tool for ecommerce stores.