OngoingAI

FlatInvoice usage & market intelligence

Pricing
Free trial available
Flat Plan$5/month

7-day free trial

What does FlatInvoice do?

FlatInvoice creates PDF invoices, tax invoices, and packing slips for every Shopify order automatically — GST/VAT ready, your logo, no theme code needed.

  • 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 — every document your orders need
  • Your logo on every document, brand colors picked from it automatically
  • Tax-ready: VAT/tax ID line and sequential invoice numbers, automatic

Features

Invoices and receiptsInvoicesPacking slipsColor and fontBranding
Review history
Daily review count on the Shopify App Store
0±0 · 29d· Rating steady at 0.0★
Aug 17Sep 14

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Catalog position
Within Invoices and receipts on the App Store
Rank by reviews
#360 of 423
Review percentile
15th
Rating percentile
56th
On the App Store
0.2 yrs
Works with
Integrations listed for FlatInvoice ‑ Auto Invoices
Shopify Admin
Apps similar to FlatInvoice
The App Store's own "more apps like this" for FlatInvoice
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MS Order Printer ‑ PDF Invoice
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Frequently asked questions

FlatInvoice creates PDF invoices, tax invoices, and packing slips for every Shopify order automatically — GST/VAT ready, your logo, no theme code needed. It's a invoices and receipts tool for ecommerce stores.