Head-to-head Comparison

Polski vs Flexible Invoices

How Polski compares to the leading WooCommerce compliance and Polish market plugins.

Feature comparison overview

FeaturePolskiFlexible Invoices
Free versionYes (full legal compliance suite)Yes (basic invoices)
Omnibus Directive price history (30 days)Yes (automatic history & badges)No
B2B VIES zero-rate VAT validation at checkoutYes (PRO, with downtime fallback)PRO only ($79/yr)
KSeF structured e-invoicing readyYes (PRO, 48h outage retry queue)Separate add-on (~$79/yr)
GDPR cookie consent banner & scripts blockingYes (built-in, script blocking)No
Multi-purpose gift card / voucher VAT accountingYes (PRO, no tax base dilution)No
Modular design (toggle individual features)Yes (zero bloat on disabled features)Partially
Paid plan pricefrom €99/yrfrom $79/yr

Competitor data and pricing as of June 2026; check the vendors' sites for current pricing.

Why choose Polski?

Transparent pricing

Full core features are free and open source. Paid licenses come with honest renewal rates and no hidden vendor lock-in.

Performance and CWV focus

Built without heavy external JavaScript libraries or layout shifts. Designed to keep mobile PageSpeed scores high.

Modern WooCommerce ready

Tested with High-Performance Order Storage (HPOS), Cart and Checkout Blocks, and the latest PHP versions.

Compare against other solutions

Frequently asked questions

How does Polski compare to Flexible Invoices and WooCommerce Germanized?

Polski provides a complete compliance suite for Polish and EU merchants including Omnibus price history, GDPR consent banner, and legal labels for free, with B2B VIES checkout VAT exemption and KSeF e-invoicing in PRO from €99/yr. Flexible Invoices focuses on invoicing (with VIES and KSeF requiring paid editions or add-ons), while Germanized is tailored primarily to German law. Pricing as of June 2026.

Is Polski a direct alternative to Flexible Invoices?

Yes. Both plugins address similar store workflows in WooCommerce. Polski focuses on a clean open-source core, no jQuery dependency, full HPOS compatibility, and predictable pricing.

Ready to try Polski?

Polski for WooCommerce adds the fields and modules a store needs for the Polish market: GPSR producer data, the Omnibus 30-day lowest price, GDPR consents, right of withdrawal and store modules. No account, no card, GPL-licensed.