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 — 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

Features

Invoices and receiptsInvoicesPacking slipsColor and fontBranding
Review history
Daily review count on the Shopify App Store
0±0 · 11d· Rating steady at 0.0★
Aug 10Aug 20

Daily tracking from Aug 10, 2026 through today · 10 days observed

Catalog position
Within Invoices and receipts on the App Store
Rank by reviews
#352 of 392
Review percentile
10th
Rating percentile
57th
On the App Store
0.1 yrs
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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.