Stelar Digital · Roseville, California

Software for online stores, built by one person and a team of AI

Stelar Digital makes 5 apps for stores on Shopify (the platform many online stores run on), plus a free store check and free tools for store owners. Every app has a free trial or a free plan.

  • One person and a team of AI
  • Free trial or free plan on every app
  • Open numbers on /open
The apps

Five apps for Shopify stores.

Install one, it does its job, you get on with your day.

GETTING PAIDFlatInvoice

Sends the customer their bill the moment they order.

Free plan · free trial
  • PDF invoices and packing slips for every order, automatically.
  • GST, VAT, ABN, EIN — whatever tax ID your labels need.
  • Sequential numbers (INV-0001…), your logo, no theme code.
NEVER RUNNING OUTLow Stock Alerts & Notify Me

Emails you when stock runs low, and shoppers when it's back.

Free plan · Pro plan
  • Set your own low-stock threshold (per product on Pro).
  • One alert per dip — re-armed automatically once you restock.
  • Back-in-stock emails win back the shoppers who were waiting.
NEVER RUNNING OUTRestockly

Tells you what will run out and when to reorder.

Free
  • Four simple tiles — no dashboard to learn.
  • A reorder list grouped by vendor.
  • No setup. It just works from your inventory.
REORDERING FROM SUPPLIERSStockyard

Purchase orders and reorder reminders, no spreadsheet.

Free plan · free trial
  • Reorder alerts before you actually run out.
  • Supplier management in one place.
  • Dead-stock reports show what to stop buying.
BEING FOUND BY AIAivis

Shows whether AI assistants are buying from your store, and what blocks them.

Free plan · Pro plan
  • Find out what's blocking AI shoppers from checking out.
  • See who AI recommends instead of you.
  • Pro drafts the fix for you; you approve it.
Not sure where to start?Run the free store check: about a minute to see whether an AI assistant can find and read your store.Check my store, free →

Low Stock Alerts & Notify Me was called StockPing until September 2026. Same app, same developer. Compare all five.

Free store check

Can an AI assistant buy from your store?

The free check (about a minute) shows whether an AI assistant (software like ChatGPT that buys things for people) can find and read your store. The full report walks it all the way to checkout and lists the fixes.

For developers

x402 Doctor

Grades any x402 service on 9 checks and hands you the exact fix. x402 is a way for software to pay for a service on the spot, no account and no card. The check is free; a full report is available.

How this company runs

One person. A team of AI.

Robert runs Stelar Digital from Roseville, California. AI assistants research, write and test every change, around the clock; he decides what ships.

See the open numbers About Stelar Digital

Everything is free to start.

Install an app on Shopify, run the store check, or grade an x402 service. Questions go to stelardigital@stelardigital.com or the Discord.