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Stop serial returners and chargeback abusers before they order again — blocked at checkout.
Zvanta Blocklist is a hard customer blocklist that works inside checkout. Add an email, phone or delivery address and the order simply cannot be placed — including express checkouts, where banner apps never load. Smart matching catches Gmail aliases, phone prefixes and spelling tricks. Orders that slip through other channels are tagged instantly and can be auto-cancelled with a full refund. Buyers only ever see a neutral message. Your list is encrypted at rest; GDPR erasure is automatic.
- Hard checkout block by email, phone or address — works in express checkout too
- Smart matching: Gmail aliases, phone prefixes and typos cannot dodge the list
- Auto-cancel with refund for orders that slip through the checkout block
- One-click „block from order #” plus CSV import of existing lists
- Neutral decline message — buyers never learn they are listed (GDPR-safe)
Languages
English, Polish, and German
Works with
Categories
Fraud types
Prevention tools
Pricing
Choose the plan that best fits your business.
Free
Free
Features
- 10 hard-block entries
- Block by email, phone or address
- Smart matching against aliases and typos
- Post-purchase order tagging
- Neutral, multilingual decline message
Pro
$9.99 / month
or $99.99/year and save 17%
Features
- 4,000 hard-block entries
- Everything in Free
- Auto-cancel slipped orders with refund
- CSV import of existing lists
- Restock items on cancellation
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
Reviews
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0% of ratings are 5 stars
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0% of ratings are 4 stars
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0% of ratings are 3 stars
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0% of ratings are 2 stars
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0% of ratings are 1 stars
Support
App support provided by 7KGEAR.
Resources
Launched
August 18, 2026
Data access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View customer data:
Sensitive data, device and activity data
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Sensitive data
Name, email address, phone number, physical address
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Device and activity data
Geolocation, IP address, browser and operating system
View staff and contributor data:
Store owner
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Store owner
Name, email address, phone number, physical address
View and edit store data:
Orders, Shopify Functions
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Edit orders
All order history for the last 60 days
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Edit Shopify Functions
Cart and checkout validations
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