★★★★★
The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.
Warn: Warnings Checkout Blocks
by Effective Apps
Add warnings for Prop 65 (P65), product availability, shipping delays & age verification disclaimer
- Rating
- 4.9
- Reviews
- 18
- Pricing from
- $6.99/mo
- Launched
- Dec 2019
First seen 18 Sep 2026 · Data updated 1 week ago
Worst recent reviews
1- and 2-star reviews reveal what this app gets wrong: the gaps a competitor could fill.
About Warn: Warnings Checkout Blocks
Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got your back. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Improve EU withdrawal compliance with CCPA/GDPR accurate warnings, alerts, and reduce fraud & chargebacks.
Highlights
- Show popups and textual warning note/disclaimer on product page, cart & checkout
- Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts
- Show the warnings globally or target specific products, collections & countries
- Fully customizable warning style, texts, images and buttons to match your store
- You can entirely block the checkout process when the checkout warning appears
Languages
English