Useful Plugins
Shopify apps for inventory - other and more
Useful Plugins is a Czech-based software developer established in 2026. The firm specializes in the Security - Other category, with a diverse portfolio that also encompasses Order tracking and Analytics.
The developer currently manages a collection of four active applications. Their flagship solution, DutyCode ‑ HS Code Finder, utilizes AI to assist with HS codes for cross-border shipping in the EU, UK, and US.
Useful Plugins focuses on developing technical tools to support merchant operations across multiple functional categories. They maintain a consistent development output across their entire suite of available Shopify applications.
5 published apps · 5 currently active
Proofstage: Custom Order Proof
Send proofs, get approvals, track production for custom orders
DutyCode ‑ HS Code Finder
AI-powered HS codes for EU, UK, and US cross-border shipping
ShipEstimate ‑ Delivery Dates
Shipping rates, delivery date & bar on product page
StoreSentinel: Risk Monitor
Daily health score and suspension risk alerts for your store.
HoldCart — Cart Reservation
Based on 1 verified reviews
Time to review
Top merchant geographies
Across all apps
How Useful Plugins's apps stack up against the category leaders.
Proofstage: Custom Order Proof
vs 17TRACK Order Tracking
DutyCode ‑ HS Code Finder
vs WebPlanex: GST Invoice India
ShipEstimate ‑ Delivery Dates
vs ShipX ‑ Shipping Rates & Rules
ShipEstimate ‑ Delivery Dates
vs PageFly Landing Page Builder
StoreSentinel: Risk Monitor
vs SEOWILL ‑ Trust Badges & Icon
StoreSentinel: Risk Monitor
vs Data Export IO: Reports
Developers with overlapping focus areas