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Blockit: Checkout Rule

Checkout validation with address validator to stop fake orders

by Cirkle Studio LLC · Launched: July 2025 · Free plan available.

5.0 (7) on Shopify Built for Shopify
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Advanced Checkout Validation Rules to Prevent Fake Orders, Shipping Address Validation & Block Check

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About Blockit: Checkout Rule

Blockit Checkout Validation rules prevent fake orders & block invalid entries with real-time validation. Validate shipping addresses, customer emails, and checkout details. Create custom checkout rules to block P.O. boxes, fake deliveries, phone numbers, emails, specific countries, cart lines, and order amounts. Add custom error messaging to guide customers. With address validator, email checks, and checkout rules, Blockit ensures accurate orders and a reliable shopping experience. Address validator, Email, and Phone Number Validation at Checkout Rules Based on Customer, Order, Cart, and Shipping Details Address based checkout validation/Block Checkout. Show Global Custom Error Messages if checkout blocked. Checkout Validator Works with Native Checkout Show more Show less

Last verified: July 16, 2026 · Fresh

App details

Developer
Cirkle Studio LLC
Pricing
Free plan available
Launched
July 2025
Rating
5.0 (7) on Shopify

Key features

  • Free for development stores.
  • Live chat, email support
  • Block checkout with various conditions
  • Field not null
  • Matching keywords Rule
Integrations with:

Checkout

2 plans · starts free · 15-day free trial

Development Store

Free

Essential

$3.99/month

Plans and prices as listed on the Shopify App Store.

Ratings & reviews

based on 7 Shopify App Store reviews

Use the arrows to read individual reviews

working as expected, perfect app i'd recommend
— Carina - كارينا
Good app with some great features for checkout - we wanted to block checkout for other countries apart from 1 and they sorted it for us.
— PINCH London
“Great app to prevent fake orders and improve checkout validation!” Blockit has been very helpful for our store in reducing fake orders and blocking invalid checkout entries. The address, email, and phone number validation features work perfectly. Setting up custom rules is simple, and it shows clear error messages to customers when checkout is blocked. It works smoothly with Shopify’s native che...
— Natural & Handmade Skin Care Products By Satwa Naturals - Kaumudi
These guys are great to work with. For various reasons we can only ship 1 product at a time. We're not super savvy with installing apps, etc and their team were so helpful! Thanks!
— Ultraviolet Backdrops
This is a great app and I am surprised it is free. We were getting orders with street numbers missing and then being misdelivered. This app will take care of making sure we don't run into delivery issues. It seems like there are other rules I can create which is great. I think it's a great tool for every store.
— ItalianBarber
We had a number of orders coming through at 0 price due to some tech issue with our inventory management software. Using Block It we were able to block those orders without any issue. We simply created a rule where if the product price is 0, checkout is not allowed – and it worked perfectly! The support team is extremely knowledgeable and responsive. I asked them for support and they developed th...
— The Stonemart Ltd
Great app - simple and perfect for what I need - with Excellent Support
— Ornamenti By Lapicida

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