Flexible Invoices for WooCommerce vs PDF Invoices & Packing Slips for WooCommerce
Updated 14 Oct 2026. 17 features compared side by side.
WP Desk's VAT-focused invoicing plugin for WooCommerce and WordPress, with a block-based template editor, EU VAT tools and PRO proformas and corrections.
Free WooCommerce invoice and packing slip plugin by WP Overnight with email attachments, e-invoice formats and paid add-ons for credit notes and cloud upload.
Choose Flexible Invoices for WooCommerce if…
- You need accounting integrations
Choose PDF Invoices & Packing Slips for WooCommerce if…
- You need packing slips and shipping labels & delivery notes
- You also want cloud storage upload
- You want the more complete feature set (96/100 vs 69/100)
- You prefer the more widely used option
Flexible Invoices for WooCommerce includes 1 feature that PDF Invoices & Packing Slips for WooCommerce lacks, including Accounting integrations; PDF Invoices & Packing Slips for WooCommerce has 3 that Flexible Invoices for WooCommerce lacks, including Packing slips, Shipping labels & delivery notes and Cloud storage upload. Both include 11 of the 17 features we track. 2 features are not yet verified for one or both plugins.
At a glance
Feature comparison
Click a screenshot to see both plugins side by side.
Flexible Invoices for WooCommerce PDF Invoices & Packing Slips for WooCommerceDocuments3/55/5
Free PDF VAT invoices for WooCommerce orders and manual invoices.
Free invoices per order, created automatically or manually from the order screen.
No packing slip document is offered.
Free packing slips can be printed or downloaded from the order admin.
Correction invoices (credit notes) are a PRO feature.
Professional adds credit notes for refunds, including UBL credit notes.
Proforma invoices for WooCommerce orders are PRO-only.
Proforma invoices and receipts are part of the Professional extension.
No shipping labels or delivery notes.
Professional adds a delivery note; printable address labels are a separate EUR 29 product.
Invoice content4/55/5
Free Gutenberg-based template editor with predefined templates; Advanced Templates add-on adds more.
Free HTML/CSS templates can be overridden in your theme; Premium Templates adds layouts and a customiser.
Free custom numbering with shortcodes, prefixes, suffixes, start number and resets.
Free sequential numbers with prefix/suffix placeholders and yearly reset.
Free EU VAT number field and VAT-exempt support; PRO adds VIES validation and OSS.
Free plugin shows the customer VAT number and has a free tax summary add-on; EU VAT validation is paid.
Free version translates invoices into customers' languages with WPML.
Professional supports WPML and Polylang fully, plus limited Weglot/TranslatePress support.
Could not confirm support for custom order meta on invoices.
Free plugin needs template code for custom fields; Premium Templates customiser adds custom field columns.
Delivery & automation3/54/5
PRO sends invoices automatically as an email with a download link; manual sends can attach the PDF.
Free: attach the invoice to any WooCommerce email you select.
Docs only describe admin downloads; customer My Account access not confirmed.
Free: customers can download invoices from My Account.
Free bulk download of invoices for a date range as a ZIP file.
Free bulk generation and printing; Professional adds ZIP export by date, status or customer.
No Dropbox, Google Drive or other cloud upload mentioned.
Professional uploads automatically to Dropbox, Google Drive, FTP/SFTP or WebDAV.
No QuickBooks/Xero link; Advanced Sending add-on emails invoices and CSV reports to an accountant.
No direct QuickBooks or Xero link; Professional offers invoice summary exports and e-invoice files.
Compatibility2/22/2
HPOS support added in version 5.6.10.
HPOS compatibility added in version 3.3.0 and referenced in later releases.
KSeF support in recent versions; PEPPOL add-on for PRO generates UBL XML.
Free UBL 2.1, Peppol BIS 3.0, CII D16B, Factur-X and ZUGFeRD output; Peppol network sending is paid.
Statuses: Yes Pro Add-on Partial 3rd-party No ?
Pricing compared
Flexible Invoices for WooCommerce Freemium
| Free | $0 |
|---|---|
| Basic (Free) | Free per year, Unlimited |
| Flexible Invoices PRO | $59 per year, 1 site |
| All Plugins Bundle | $99 per year, 25 sites |
PDF Invoices & Packing Slips for WooCommerce Freemium
| Free | $0 |
|---|---|
| Free | Free per year, Unlimited |
| Professional | €69 per year, 1 site |
| Plus Bundle | €99 per year, 1 site |
Downloads trend
Flexible Invoices for WooCommerce
1,238 downloads last week
PDF Invoices & Packing Slips for WooCommerce
64,106 downloads last week
Verdict
PDF Invoices & Packing Slips for WooCommerce scores higher on our feature checklist (96/100 against 69/100) and includes packing slips, shipping labels & delivery notes and cloud storage upload that Flexible Invoices for WooCommerce does not. Flexible Invoices for WooCommerce still has the edge on accounting integrations. Check the features you rely on in the table below before deciding.
Biggest differences
Flexible Invoices for WooCommerce: not included. PDF Invoices & Packing Slips for WooCommerce: included. Free packing slips can be printed or downloaded from the order admin.
Flexible Invoices for WooCommerce: not included. PDF Invoices & Packing Slips for WooCommerce: paid version (Professional). Professional adds a delivery note; printable address labels are a separate EUR 29 product.
Flexible Invoices for WooCommerce: not included. PDF Invoices & Packing Slips for WooCommerce: paid version (Professional). Professional uploads automatically to Dropbox, Google Drive, FTP/SFTP or WebDAV.
Flexible Invoices for WooCommerce: partial. PDF Invoices & Packing Slips for WooCommerce: not included. No QuickBooks/Xero link; Advanced Sending add-on emails invoices and CSV reports to an accountant.
Written from the feature, pricing and install data on this page, not from hands-on testing. How we compare.
Which would you choose?
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FAQ
Which is better, Flexible Invoices for WooCommerce or PDF Invoices & Packing Slips for WooCommerce?
PDF Invoices & Packing Slips for WooCommerce scores higher on our feature checklist (96/100 against 69/100) and includes packing slips, shipping labels & delivery notes and cloud storage upload that Flexible Invoices for WooCommerce does not. Flexible Invoices for WooCommerce still has the edge on accounting integrations. Check the features you rely on in the table below before deciding.
Which has more features?
PDF Invoices & Packing Slips for WooCommerce includes 16 of the 17 features we track, against 12 for Flexible Invoices for WooCommerce. Feature count is only part of the picture; check which of the differences matter to you.
Is Flexible Invoices for WooCommerce free?
Flexible Invoices for WooCommerce has a free version on WordPress.org. Paid plans start at $59/yr.
Is PDF Invoices & Packing Slips for WooCommerce free?
PDF Invoices & Packing Slips for WooCommerce has a free version on WordPress.org. Paid plans start at €69/yr.
Feature data last changed 14 Oct 2026. Spotted something wrong? Suggest an edit to Flexible Invoices for WooCommerce or PDF Invoices & Packing Slips for WooCommerce. Some links are affiliate links. We may earn a commission at no cost to you; it never affects our data or rankings.