Fstack Software

Fstack Software is a Vietnam-based developer founded in 2025. They specialize in product bundles and discount solutions for Shopify merchants. With a perfect 5.0 average rating across their initial portfolio, they have established a strong foundation for their e-commerce tools.

The company's flagship app, FS: Bundles Quantity Breaks, enables store owners to set up quantity breaks, volume discounts, and product bundles. This solution currently holds a 5.0 rating based on 2 reviews. The developer focuses their expertise on these core merchandising and conversion-oriented categories.

Fstack Software is recognized for delivering high-quality, top-rated solutions for Shopify store owners. Their commitment to excellence is reflected in their consistent performance and focus on essential sales-driving functionality.