OngoingAI

Pendulum Invoices usage & market intelligence

Shopify rating

5.0 ★

2 reviews

Pricing
Free trial available
Starter$15/month

14-day free trial · or $150/year and save 17%

  • • 100 invoices per month
  • • Branded invoice PDFs, light + dark
  • • 5 theme presets + color picker
  • • 3-step payment reminder schedule
  • • Pre-built reminder email templates
Growth$29/month

14-day free trial · or $290/year and save 17%

  • • Everything in Starter
  • • 500 invoices per month
  • • 3 brand templates
  • • Editable 3-step reminder schedule
  • • Editable templates, 3 tone presets
Pro$49/month

14-day free trial · or $490/year and save 17%

  • • Everything in Growth
  • • Unlimited invoices
  • • Unlimited brand templates
  • • Custom reminder schedule (5+ steps)
  • • Per-customer email overrides
What does Pendulum Invoices do?

Branded invoice PDFs and a multi-step reminder cadence for Shopify shops running on draft orders, B2B, and custom production. Replies route to your inbox.

  • Branded invoice PDFs with light and dark themes, color picker, and watermark
  • Multi-step payment reminder cadence with Friendly, Firm, and Urgent tones
  • Branded replacements for Shopify's order confirmation and draft invoice emails
  • W-9 and ACH instruction links on reminders, invoices, and customer emails
  • Replies route to your inbox, not a no-reply address

Features

Invoices and receiptsInvoicesReceiptsDraft ordersOrder confirmationsColor and fontBrandingTemplatesLogosPDF generation
Review history
Daily review count on the Shopify App Store
2±0 · 29d· Rating steady at 5.0★
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
#140 of 423
Review percentile
67th
Rating percentile
100th
On the App Store
0.3 yrs
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Frequently asked questions

Branded invoice PDFs and a multi-step reminder cadence for Shopify shops running on draft orders, B2B, and custom production. Replies route to your inbox. It's a invoices and receipts tool for ecommerce stores.