Extensions Market
Shopify apps for pre-orders and more
Extensions Market is a United States-based Shopify developer founded in 2026. The firm specializes in pre-order solutions, with a broader portfolio spanning product bundles, countdown timers, and pop-ups. They currently manage five active applications within their six-app catalog.
Their flagship product, Sleepmaxing ‑ Bundle Discounts, features a sleep quiz designed to build bundles and apply checkout discounts. While the app is not currently Built for Shopify certified, it represents the developer's focus on converting store visitors through interactive product discovery.
Extensions Market maintains a growing presence in the Shopify ecosystem by diversifying its toolset across key merchant conversion categories. The developer remains focused on developing functional storefront utilities to help merchants streamline the purchasing experience.
5 published apps · 5 currently active
Sleepmaxing ‑ Bundle Discounts
Sleep quiz that builds bundles and discounts them at checkout
EZDrop ‑ Waitlist for Drops
Viral waitlist & limited drops with a referral queue
EZstock ‑ Inventory & Orders
The Stocky replacement — POs, forecasting & low-stock alerts
PopBoost ‑ Social Proof Popup
Replaces 5 apps with one: social proof, timers & badges.
EZBundle ‑ Bundle Builder
Fixed & mix-and-match bundles with automatic discount codes.
Time to review
No usage duration data available yet.
Top merchant geographies
No location data available yet.
Across all apps
How Extensions Market's apps stack up against the category leaders.
Sleepmaxing ‑ Bundle Discounts
vs Kaching Bundles App & Upsells
EZDrop ‑ Waitlist for Drops
vs Preorder, Back In Stock ‑ STOQ
EZDrop ‑ Waitlist for Drops
vs Shopify Flow
EZstock ‑ Inventory & Orders
vs Etsy Integration by QuickSync
PopBoost ‑ Social Proof Popup
vs Essential Countdown Timer Bar
PopBoost ‑ Social Proof Popup
vs Pop Convert ‑ Pop Ups, Banners
Developers with overlapping focus areas