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Catch the catalog and stock problems behind marketplace oversells before a buyer orders the item.
Marketplace sync apps can fail quietly: an expired connection, a duplicate SKU or untracked inventory, and a listing keeps selling stock you no longer have. The app checks every variant for the settings that typically cause overselling and watches your stock movement, warning you when it goes unusually quiet or many items drop to zero at once. Each issue explains why it matters and how to fix it. Read-only: nothing in your store changes. For stores selling on marketplaces through a sync app.
- Check every variant for oversold stock, duplicate or missing SKUs
- Find untracked items and stock in locations your sync app doesn't read
- Get warned when stock stops moving or many items drop to zero at once
- Get instant alerts by email, Slack or webhook, plus a daily digest
- Fix each issue with a step-by-step guide, while your store stays unchanged
Languages
English
Works with
- Slack
Categories
Pricing
Choose the plan that best fits your business.
Free
Free
Features
- Full catalog health check once a day
- 1 marketplace sales channel
- Sync silence and mass-zeroing detection
- Issue list with fix guides
Watch
$15 / month
Features
- Hourly catalog checks
- 2 marketplace sales channels
- Instant email, Slack and webhook alerts
- Real-time mass-zeroing alarm
- Daily digest, 30-day history
14-day free trial
Guard
$39 / month
Features
- Checks every 15 minutes
- Unlimited marketplace sales channels
- Up to 10 alert recipients
- Everything in Watch, 90-day history
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 1 stars
Support
App support provided by Lektoro.
Resources
Launched
October 26, 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 staff and contributor data:
Store owner
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Store owner
Name, email address, phone number, physical address
View store data:
Products, other data
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View products
Inventory, products, collections
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View other data
Locations, publications of products on sales channels
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