Support
Get help with Solvi Restock
Support runs on email — no chat widget that leaves you waiting. Every message gets a reply from the person who builds the app.
Email us
We reply within 24 hours — usually faster. Include your label reference (e.g. Avery 5160) and, for printing issues, the sheet PDF: it lets us answer in one round trip.
support@useful-tooling.com
Happy with the app?
A review on the App Store is the most useful thing you can do for a small independent app. We read and publicly answer every single one.
Answers you might need right now
The most common support topics are already answered in the FAQ on the app page:
Guides for Restock
Self-serve walkthroughs for printing, calibration and barcode generation — most printing issues are solved by one of these.
How-to
How to create purchase orders for your Shopify store
Shopify has no native purchase orders — here is the full PO workflow anyway: what goes on the document, the lifecycle from draft to received, and the three ways to run it (spreadsheet, app, ERP).
9 min read
Reference
The reorder point formula, explained with real numbers
Reorder point = daily sales velocity × lead time + safety stock. What each term means, how to compute them from Shopify data, a worked example, and when the formula lies to you.
9 min read
How-to
Stocky is shutting down: the migration checklist (before Aug 31, 2026)
What to export from Stocky, what cannot be saved, and the order to do it in — a step-by-step migration plan that gets you out with your data before the August 31 shutdown.
9 min read
Comparison
6 Stocky alternatives for Shopify, compared (before August 31, 2026)
Stocky shuts down on August 31, 2026 — and supplier data cannot be exported. Six replacements compared on the jobs Stocky actually did: reorder suggestions, purchase orders, suppliers, receiving.
10 min read
Comparison
The 6 best Shopify purchase order apps in 2026
Shopify has no native purchase orders — these six apps fill the gap. Compared on PO workflow, reorder suggestions, supplier management and the two pricing models to avoid.
10 min read