R3stack
Shopify apps for fraud and more
R3stack is a Czech-based software developer established in 2026. The developer specializes in fraud protection, with expertise spanning both fraud prevention and inventory optimization. Currently, the team maintains a portfolio of one active application that holds a perfect 5.0-star average rating.
The developer's flagship application, Cart Reserve, provides AI-powered cart reservation and fraud protection. This tool has secured one five-star review from the Shopify merchant community. The portfolio demonstrates a focused approach to enhancing store operations through targeted category expertise.
R3stack is defined by a commitment to high-quality performance and customer satisfaction, as evidenced by their top-tier average rating. By prioritizing excellence in their debut product, the developer establishes a strong foundation for future growth in the Shopify ecosystem.
1 published apps · 1 currently active
Based on 1 verified reviews
Time to review
Top merchant geographies
Across all apps
How R3stack's apps stack up against the category leaders.
Cart Reserve: Stock Hold Timer
vs Etsy Integration by QuickSync
Cart Reserve: Stock Hold Timer
vs Blockify Fraud Filter, Blocker
Cart Reserve: Stock Hold Timer
vs Inventory Management ‑ Assisty
Cart Reserve: Stock Hold Timer
vs Chargeflow Prevent Chargebacks
Cart Reserve: Stock Hold Timer
vs 506 EasyScan SKU & Barcode
Cart Reserve: Stock Hold Timer
vs Blocky Fraud Filter IP Blocker
Developers with overlapping focus areas


United Kingdom