AddressGuard Address Validator vs Melissa Address Validation
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026.
The short answer
- AddressGuard Address Validator is detected on 9× as many Shopify stores as Melissa Address Validation: 27 vs 3 as of Nov 4, 2026.
- AddressGuard Address Validator lists 7 features Melissa Address Validation’s listing doesn’t mention, including Address validation, Custom messages, Email notifications.
Head to head
- United States
- Australia
- Hong Kong
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Free
- · 14-day 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.
Prevent costly shipping errors and checkout friction. Melissa Address Validation for Shopify verifies, corrects and formats global addresses for 250 countries. Prevent invalid address entry with corrected address suggestions, detect residential vs business address types (US Only) and USPS, SERP Canada and Royal Mail UK compliance with advanced parsing, native language rules and international postal standards.
- 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
- Leverage a CASS (USPS) and SERP (Canada Post) certified address engine
- Suggest correct addresses by adding missing components such as Postal Codes
- Provide standardized addresses to meet local in-country formatting rules
- Transliterate to and from native country languages and Latin
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 |  Melissa Address Validation |
|---|---|---|
| Detected stores | 27(ahead) | 3 |
| 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, Vehicles & Parts | Not published |
| Top store countries | United States, Australia, Hong Kong | Not published |
Reviews
| Measure | AddressGuard Address Validator | Melissa Address Validation |
|---|---|---|
| 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 | Melissa Address Validation |
|---|---|---|
| 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 | Melissa Address Validation |
|---|---|---|
| Shopify category rank | #38 | #203 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jun 29, 2022 | Jul 1, 2024 |
| Languages | 1 | 1 |
| Developer | Address Guard | Melissa |
FAQ
AddressGuard Address Validator and Melissa Address Validation: common questions
- Which is more popular, AddressGuard Address Validator or Melissa Address Validation?
- AddressGuard Address Validator is detected on 9× as many Shopify stores as Melissa Address Validation: 27 vs 3 as of Nov 4, 2026.
- 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 4, 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 4, 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.