AddressGuard Address Validator 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 AddressGuard Address Validator, Oct 13, 2026 for One‑Step Address Validator.
The short answer
- AddressGuard Address Validator lists 7 features One‑Step Address Validator’s listing doesn’t mention, including Address validation, Custom messages, Email notifications.
Head to head
- United States
- Australia
- Netherlands
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
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 featureAdd real-time, carrier-validated address verification to checkout - or replace Shopify’s Google Autocomplete with our Autocomplete. Our address validator validates against global and local carriers and uses AI Autocorrection to fix small errors (Rd→Road), prevent failed deliveries, and cut correction fees (many carriers charge $25+). Create rules to block PO Boxes or require apartment numbers.
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.
- Prompt customers to fix addresses when issues are detected and offer suggestions
- Prevent undeliverable addresses by carrier (PO Boxes, Missing house #, etc)
- Automatically “hold” orders that are undeliverable before they get sent to a 3PL
- Improve customer data accuracy with Email & Phone Number Verification
- 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 |  AddressGuard Address Validator |  One‑Step Address Validator |
|---|---|---|
| Detected stores | 84 | 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 | Apparel & Accessories, Health & Beauty, Food, Beverages & Tobacco | Not published |
| Top store countries | United States, Australia, Netherlands | Not published |
Reviews
| Measure | AddressGuard Address Validator | One‑Step Address Validator |
|---|---|---|
| App Store rating | 4.8 ★ | Not published |
| App Store reviews | 40 | Not published |
| New reviews, 28 days | 1 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | AddressGuard Address Validator | One‑Step Address Validator |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 1 |
Listing
| Measure | AddressGuard Address Validator | One‑Step Address Validator |
|---|---|---|
| Shopify category rank | #42 | #436 |
| Shopify App Charts | #21 in Shipping | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jun 29, 2022 | Oct 23, 2025 |
| Languages | 1 | 1 |
| Developer | Address Guard | Ideal Postcodes |
FAQ
AddressGuard Address Validator and One‑Step Address Validator: common questions
- What features does each app list that the other doesn’t?
- AddressGuard Address Validator lists 7 the others don’t mention, such as Address validation, Custom messages, Email notifications, Label customization. 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 AddressGuard Address Validator, 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 AddressGuard Address Validator, 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.