We've rebranded! Welcome to Flash Apps by Fluorescent (Formerly Obsidian)

APPS BUILT TO SELL.

Built by ex-Shopify employees, run by established Shopify partners — we know ecommerce.

FLASH CART

Boost conversions with personalized in-cart product recommendations

Extend the functionality of your cart with highly customizable components designed to boost conversions. Flash Cart is the perfect way to recommend the right products at the right time.

"Totally customizable and allows you to tailor the app to work best with your theme and customer habits. The setup process is seamless and the support team is fantastic and quick to respond."

“This is huge! The sleekest upsell app I've seen in the app store. Very easy to install, took about 3 minutes, and it looks amazing. Works seamlessly with our custom theme.”

“Customization was easy and only took minutes. App itself looks sleek and doesn't slow down my store. Very impressed.”

FLASH BUNDLES

Create high-converting product bundles in a flash

Powerful bundle recommendations that will supercharge your sales.