We’ve built a shopify app - WowETA, that helps to create urgency at product and cart pages using estimated delivery dates and countdown timers. Our survey shows it helps to increase upto 20% conversion rate.
We need some shopify merchants and developers to test our app and give us your valuable feedback. Here is the app link: W: Estimated Delivery Date ETA - WowETA - Estimated Delivery Date (EDD) | Shopify App Store
Would you be able to help?