Address Validation iO vs Lob Address Cleanser
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026.
The short answer
- On the Shopify App Store: Address Validation iO 4.8 from 13 reviews and Lob Address Cleanser 5.0 from 1 reviews.
- Address Validation iO lists 12 features Lob Address Cleanser’s listing doesn’t mention, including Address, Address validation, Analytics.
Head to head
Reduce unnecessary shipping costs with Lob's Address Cleanser
- Germany
- United Kingdom
- United States
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Free
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAddress 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.
Reduces inaccurate shipping costs by ensuring that misspelled addresses are corrected, and deliverable before customers leave their checkout screens. Suggests addresses per local postal formats(USPS for the United States) by standardizing the data, thus reducing mixups during delivery. Flag missing mandatory delivery fields such as unit numbers, streets suffixes, etc. Identifies P.O.
- 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
- Notify customers for issues with their addresses before they leave checkout.
- Get certified address data from USPS & worldwide local postal carriers.
- Customize the address verification popups per your store theme.
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 Validation iO |  Lob Address Cleanser |
|---|---|---|
| Detected stores | 9 | 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 | Health & Beauty, Home & Garden, Hardware | Not published |
| Top store countries | Germany, United Kingdom, United States | Not published |
Reviews
| Measure | Address Validation iO | Lob Address Cleanser |
|---|---|---|
| App Store rating | 4.8 ★ | 5.0 ★(ahead) |
| App Store reviews | 13(ahead) | 1 |
| New reviews, 28 days | 0 | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Address Validation iO | Lob Address Cleanser |
|---|---|---|
| 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 | Address Validation iO | Lob Address Cleanser |
|---|---|---|
| Shopify category rank | #55 | #507 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 15, 2022 | Jan 21, 2022 |
| Languages | 2 | 1 |
| Developer | Moving Primates GmbH | Lob, Inc |
FAQ
Address Validation iO and Lob Address Cleanser: common questions
- Which has better reviews, Address Validation iO or Lob Address Cleanser?
- On the Shopify App Store: Address Validation iO 4.8 from 13 reviews and Lob Address Cleanser 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- Address Validation iO lists 12 the others don’t mention, such as Address, Address validation, Analytics, Automated workflows. 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 14, 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 Oct 14, 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.