One‑Step Address Validator vs SafeShip: 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 One‑Step Address Validator, Nov 9, 2026 for SafeShip.
The short answer
- Only SafeShip lists a free plan.
- One‑Step Address Validator and SafeShip list the same 1 features.
Head to head
- Singapore
- United States
Free
- · 30 days free trial
Development
- · **Shopify Plus required**
- · Free for shops on a development plan
- · Free to test in the checkout editor
Starter
- · **Shopify Plus required**
- · Address validator
- · Auto language translations
- · PO box blocker
Pro
- · **Shopify Plus required**
- · Address validator
- · Auto language translations
- · PO box blocker
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureOne-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.
SafeShip helps you save money by preventing delivery failures from customers entering an invalid shipping address. With the app, you can easily add address validation or PO box blocking to your checkout in a few clicks. The app works in the checkout page, so there's no need to have the customer update their shipping address after the order is placed.
- 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
- Validate shipping addresses and block checkout if the address doesn't exist.
- Prevent checkout with PO box addresses if you can't ship to them.
- Show shipping address suggestions to ensure optimal deliverability.
- Block shipping addresses that are missing a required house or building number.
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 |  One‑Step Address Validator |  SafeShip |
|---|---|---|
| Detected stores | Not published | 2 |
| 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 | Health & Beauty, Home & Garden |
| Top store countries | Not published | Singapore, United States |
Reviews
| Measure | One‑Step Address Validator | SafeShip |
|---|---|---|
| App Store rating | Not published | 1.0 ★ |
| App Store reviews | Not published | 1 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | One‑Step Address Validator | SafeShip |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $10/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | 3 |
Listing
| Measure | One‑Step Address Validator | SafeShip |
|---|---|---|
| Shopify category rank | #436 | #313(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Oct 23, 2025 | Jul 24, 2023 |
| Languages | 1 | 1 |
| Developer | Ideal Postcodes | Checkout Plus |
FAQ
One‑Step Address Validator and SafeShip: common questions
- Is One‑Step Address Validator or SafeShip cheaper?
- Only SafeShip lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- 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 One‑Step Address Validator, Nov 9, 2026 for SafeShip; 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 One‑Step Address Validator, Nov 9, 2026 for SafeShip. 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.