Address Verifier: Validation vs SMART Address Validator
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Address Verifier, Nov 6, 2026 for SMART Address Validator.
The short answer
- Address Verifier lists 3 features SMART Address Validator’s listing doesn’t mention, including Address validation, Custom messages, Order updates.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · Custom error messages
- · Missing house number and ZIP rules
- · PO box and parcel locker blocking
- · Rule-based blocking on every order
Pro
- · Covers Shop Pay, Apple Pay, Google Pay
- · Everything in Free
- · Full verification against carrier data
- · One-click customer correction
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBad addresses cost you twice: the carrier fee and the reship. Address Verifier catches them before they ship. It checks every address against carrier and postal data, down to the apartment. Customers fix their own address in one click; on Shopify Plus, right in checkout. It covers express orders that bypass address checks. You set the rules: block PO boxes, missing house numbers, and bad ZIP codes.
SMART Address Validator reduces delivery errors by verifying customer addresses before shipping. Ideal for merchants facing frequent address mistakes or delivering to complex areas, it prevents failed deliveries and reduces costly returns. Real-time address validation saves time, cuts expenses, and boosts customer satisfaction by ensuring orders reach the correct location.
- Verifies every address is really deliverable, down to the apartment.
- Catches express checkout orders that normally bypass address checks.
- Never blocks a real sale: the customer sees a suggestion and chooses.
- Customers fix their own wrong address in one click, before it ships.
- Real-time address validation to prevent delivery errors
- Reduces failed deliveries and costly returns
- Supports accurate shipping for complex delivery areas
- Enhances customer satisfaction with correct deliveries
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 |  Address Verifier |  SMART Address Validator |
|---|---|---|
| Detected stores | Not published | 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 | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Address Verifier | SMART Address Validator |
|---|---|---|
| App Store rating | Not published | 4.8 ★ |
| App Store reviews | Not published | 85 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Address Verifier | SMART 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 | 2 | Not published |
Listing
| Measure | Address Verifier | SMART Address Validator |
|---|---|---|
| Shopify category rank | #358 | #1 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Jun 9, 2026 | Nov 5, 2024 |
| Languages | 1 | 1 |
| Developer | Address Verifier | E-TRADE PARTNER |
FAQ
Address Verifier and SMART Address Validator: common questions
- What features does each app list that the other doesn’t?
- Address Verifier lists 3 the others don’t mention, such as Address validation, Custom messages, Order updates. SMART Address Validator lists 2 the others don’t mention, such as Shipping rates, Shipping rules. 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 Oct 13, 2026 for Address Verifier, Nov 6, 2026 for SMART 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 Oct 13, 2026 for Address Verifier, Nov 6, 2026 for SMART 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.