Shopify App Comparison 2026
NML Quick Add to Cart
Pro:Warning Product Alerts
Which Shopify upsell app increases AOV more? Compare pricing, features, ratings & real merchant reviews for NML and Pro:Warning Product Alerts to find the best fit for your store.
Add to cart from catalog pages with auto-generated upsell product recommendations.
View Full DetailsKey Features
- Ajax Cart: add to cart from catalog without visiting product pages
- Auto-generated recommendation products after adding to cart
- Unlimited upsells with no viewer count charges
- Fully customizable Add to Cart button styles
- Google Analytics and Facebook Pixel tracking integrated
Verdict on NML
NML Quick Add to Cart is a completely free app for adding quick-purchase buttons and upsell recommendations to catalog pages. With zero reviews, it is unvalidated. But since it is free, there is no risk in testing. The GA and Facebook Pixel integration is a useful bonus.
Display custom warning notifications on product pages for age verification, shipping delays, and terms.
View Full DetailsKey Features
- Unlimited warning messages for selected products or variants
- Custom warning icons or upload your own
- Geolocation targeting to display warnings for specific regions
- Multiple alerts per product or variant
- Auto-save warning consent date/time in order details
Verdict on Pro:Warning
Pro:Warning is a Built for Shopify certified tool for compliance and customer communication. The geolocation targeting is useful for stores selling regulated products across regions. At $7.99/month with 5.0 stars, it is affordable and well-reviewed. Essential for stores needing age verification or shipping disclaimers.
Frequently Asked Questions
Is NML Quick Add to Cart really free?
Yes, all features are included for free with no hidden costs, order limits, or viewer count charges.
Can I show different warnings by country?
Yes, Pro:Warning includes geolocation targeting that lets you display specific warning messages only to visitors from certain countries or regions.