Meridian Checkout Blocker vs LatinLock
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 24, 2026 for Meridian Checkout Blocker, Oct 13, 2026 for LatinLock.
The short answer
- Only Meridian Checkout Blocker lists a free plan. Paid plans start at $3.99/month for Meridian Checkout Blocker and $5/month for LatinLock.
Head to head
Free
- · For development stores
Basic
- · Address & zip/postal code validation
- · Custom Email Domain Blocker
- · Disposable email validation
- · Modifiable Block/Warning Messages
- · Non-Contiguous US region Blocker
- · PO Box Blocker
Pro
- · Everything from Basic plan
- · Freight Forwarder Blocker
- · Landline phone detection
- · Military Address Blocker
Basic
- · Control of allowed characters
- · Customizable messages
- · Unlimited number of validations
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureCheckout Shield eliminates costly delivery errors and customer service headaches by validating orders before checkout completes. By blocking PO boxes, disposable emails, and landline phone numbers, merchants instantly avoid return-to-sender fees and bounced communications. Our integration only collects accurate, actionable data.
Some shipping carriers and international fulfillment centers reject orders if the shipping address contains non-Latin or non-English characters. This leads to order delays, cancellations, or refunds, costing your store revenue and customer trust. LatinLock automatically validates shipping addresses at checkout and blocks unsupported characters before the order is placed.
- Blocks customers from checkout on disposable email.
- Option to block PO boxes & validate address including postal/zip codes.
- Warns customers that shipping updates will not be received on landline phones.
- Allows freedom to enable / disable validations.
- Buyers are notified of and shown any invalid characters that need to be removed
- Addresses containing Invalid characters cannot proceed through checkout
- Merchants can add any symbols or characters they wish to allow in the address








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 | Meridian Checkout Blocker | LatinLock |
|---|---|---|
| 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 | Meridian Checkout Blocker | LatinLock |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 1 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Meridian Checkout Blocker | LatinLock |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $3.99/month(ahead) | $5/month |
| Longest free trial | 3 days | 3 days |
| Plans listed | 3 | 1 |
Listing
| Measure | Meridian Checkout Blocker | LatinLock |
|---|---|---|
| Shopify category rank | #248 | #215(ahead) |
| Shopify App Charts | #13 on Pricing moves in Checkout - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 28, 2026 | Jun 25, 2024 |
| Languages | 1 | 1 |
| Developer | Meridian Code | Tremidap |
FAQ
Meridian Checkout Blocker and LatinLock: common questions
- Is Meridian Checkout Blocker or LatinLock cheaper?
- Only Meridian Checkout Blocker lists a free plan. Paid plans start at $3.99/month for Meridian Checkout Blocker and $5/month for LatinLock. 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 24, 2026 for Meridian Checkout Blocker, Oct 13, 2026 for LatinLock; 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 24, 2026 for Meridian Checkout Blocker, Oct 13, 2026 for LatinLock. 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.





