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FlatInvoice ‑ Auto Invoices
- by Stelar Digital LLC
- $5/month. Free trial available.
- by Stelar Digital LLC
- $5/month. Free trial available.
Invoices that send themselves automatically when orders are placed. Add a download button to order emails in 2 minutes—no code needed.
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About the FlatInvoice ‑ Auto Invoices
FlatInvoice automatically emails invoices to your customers when orders are placed or fulfilled — no configuration needed. The app includes a guided 2-minute setup that adds a download invoice button directly inside Shopify's order confirmation emails, without any code or theme edits required.
Get complete documentation with invoices, packing slips, receipts, and credit notes all included. Every document displays your logo and brand colors, automatically picked from your logo. The app is tax-ready with VAT and tax ID lines, plus automatic sequential invoice numbering.
Each invoice shows exactly what customers paid at the time of their order, making record-keeping simple and accurate. Everything works on one flat plan with zero setup for basic auto-invoicing.
Launched: July 6, 2026
Key features
- Invoices email themselves when an order is placed or fulfilled — zero setup
- Add a Download-invoice button to Shopify's own order emails — guided, no code
- Packing slips, receipts, and credit notes — everything in one flat plan
- Your logo on every document, brand colors picked from it automatically
- Tax-ready: VAT/tax ID line and sequential invoice numbers, automatic
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Pricing of FlatInvoice ‑ Auto Invoices
Flat Plan
$5 / month
