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GuardUp monitors your store 24/7 for fat-finger price drops, aggressive coupon stacking, and overselling variants - and alerts you the moment something looks wrong.
A single pricing mistake can wipe out a week of margin. GuardUp catches it first. Every merchant has had it happen: a variant price drops from $99.00 to $9.90 because of a misplaced decimal. Or a 70% coupon goes live because someone typed an extra zero. GuardUp watches every price change and every discount in real time, surfaces the problem in your dashboard, and lets you fix it in one click. Module A - Price Integrity Flags any variant price drop of 90% or more as a likely typo. Also alerts on softer drops above your configurable threshold (default 50%). You set the line; GuardUp enforces it. Module B - Coupon Alerts Two rules, both configurable: a high-discount alert fires when a new coupon exceeds your threshold (default 30%), and a stacking alert fires when a coupon over 20% is set to combine with product discounts. Module C - Inventory Audit Scans your catalog for variants with Continue selling when out of stock turned on while stock is at zero or below. How it works 1. Install and complete the 2-step onboarding wizard to configure your alert thresholds. 2. GuardUp listens to Shopify webhooks in the background - no polling, no slowdown. 3. Alerts appear in your dashboard with a direct Fix now link to the affected product or discount. Why merchants choose GuardUp - Real-time webhook detection - alerts fire within seconds - Safety Score dashboard showing your current risk exposure at a glance - One-click deep links to fix issues directly in Shopify admin - No storefront code - zero impact on page speed or Core Web Vitals - GDPR-compliant, built with Polaris and App Bridge Built for Shopify - Polaris UI, App Bridge, native billing, GDPR-compliant.
- Detects fat-finger price drops instantly. Configurable soft threshold alerts.
- Flags coupons exceeding your threshold or stacking aggressively with discounts.
- Finds variants set to continue selling while stock is zero or below.
Languages
English
Categories
Discount types
Managing discounts
Pricing
Guardup protection
$4.99 / month
Features
- Real-time price integrity monitoring
- fat-finger 90% rule always on
- Configurable soft price-drop threshold
- Coupon stacking alerts
- Inventory overselling audit
- Safety Score dashboard with live
- One-click "Fix now"
7-day free trial
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
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Support
App support provided by Boost.
Resources
Launched
May 5, 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 and edit store data:
Products, discounts
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Edit products
Inventory, products, collections
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Edit discounts
Discount codes and promotions
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