OngoingAI

Simple Invoice usage & market intelligence

Shopify rating

4.9 ★

440 reviews

What merchants actually report
4.93average· 414 reviews analyzed· 386 with written feedback
96% 5★1% ≤3★

17% of attributable reviewers are United States merchants. 32% had used the app for a year or more when they reviewed.

The developer replies to 1% of reviews overall and 50% of critical ones.

Recent reviewers rate Simple Invoice 5.00, above its 4.93 lifetime average.

Rating · last 90d

5.00

Recent direction

Replies to reviews

1%

Developer response rate

Replies to critical

50%

On 3★ and below

Long-term reviewers

32%

Using 1yr+ at review

Top merchant markets

United States 17%France 13%United Kingdom 10%Australia 9%Germany 9%

Tenure when reviewed

under a day 16%days 19%months 33%a year or more 32%

Based on public merchant reviews, with newer feedback given more weight. OngoingAI matches each review to an identifiable store and the app they use.

Pricing
Free to install
FREEFree to install
  • • 50 Invoices / Month
  • • Compliant Invoices
  • • Multi Currency Support
  • • Bulk Process
  • • Draft Orders
PRO$9.99/month

14-day free trial · or $99.90/year and save 17%

  • • FREE+
  • • Automatic & Unlimited Invoices
  • • Receipts
  • • Multi Language Templates
  • • Sequential Invoice Numbers
PREMIUM$19.99/month

14-day free trial · or $199.90/year and save 17%

  • • Pro+
  • • Dropbox, Google Drive & FTP
  • • My Account & Order Success Invoices
  • • Quotes
  • • Accept Payments
PLATINUM$79.99/month

14-day free trial · or $799.90/year and save 17%

  • • Premium+
  • • Recommended for High Volume Stores
  • • Custom Template Created for Your Brand
  • • Code Customizations for Simple Logics
What does Simple Invoice do?

Simple Invoice is designed to work seamlessly with Shopify. You can set it up in under a minute. You don't even have to leave your Shopify dashboard.

  • Create compliant invoices for your country.
  • Send invoices automatically or manually.
  • Multiple currencies and languages are supported.
  • Send invoices, quotes, or drafts and get paid in seconds.
  • Upload documents like invoices, drafts, and packing slips to the cloud.

Features

Invoices and receiptsInvoicesReceiptsCredit notesQuotesDraft ordersOrder confirmationsDelivery notesCustoms documentsPacking slipsRefundsReturnsColor and fontBrandingFieldsInvoice numbersSender emailTax calculationTemplatesBarcodesLogosMulti-currencyMulti-languageBulk downloadFile namingEmail automationPDF generationPrint and exportData securitySequential numberingTaxesVAT invoicesCustom invoicesTax ratesExemption managmentRate managementMulti-state filingSST filingLocal tax returnsData export
Review history
Daily review count on the Shopify App Store
440+28 · 26d~1.1/day· Rating steady at 4.9★
Aug 10Sep 4

Daily tracking from Aug 10, 2026 through today · 25 days observed

Category rankings
Live organic position on Shopify App Store category pages
  • Taxes#11 on Aug 15 → #8 on Sep 5 · 22 observed days#8▲3
  • Invoices and receipts#17 on Aug 15 → #13 on Sep 5 · 22 observed days#13▲4

Tracked daily · last 22 days · as of 2026-09-05

Catalog position
Within Invoices and receipts on the App Store
Rank by reviews
#7 of 410
Review percentile
99th
Rating percentile
75th
On the App Store
7.6 yrs
Works with
Integrations listed for Simple Invoice ‑ Order Printer
CheckoutCustomer accountsShopify POSShopify AdminCompatible with All PrintersCustomer Accounts ConciergeMobilePoint of Sale
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Frequently asked questions

Simple Invoice is designed to work seamlessly with Shopify. You can set it up in under a minute. You don't even have to leave your Shopify dashboard. It's a invoices and receipts tool for ecommerce stores.