Plugin configuration
A written setup scope for your store, theme and current plugin stack.
Request configuration PRO edition
Sizer Pro
Size guides for stores that want more
Sizer Pro extends the free size guide with a store-wide default chart fallback, per-variation charts, unit switching cm/inch, a Find my size calculator and chart import/export.
Extends Sizer FREE
Default chart, per-variation charts, units, Find my size and import/export (shipped) Requires the free Sizer plugin 0.1.2+ Delivered through Freemius
PRO features
The 0.4.0 release completes the Track 3 roadmap wedge list.
Store-wide default chart
Fallback chart for products with no per-product or category assignment (shipped).
Per-variation charts
Show a different chart depending on the variation the shopper selects (shipped).
Unit switching
Toggle the chart between cm and inch with one control (UnitSwitch, shipped).
Find my size
Measurement form that suggests a size from the chart (FindMySize, shipped).
Import / export
JSON backup for all charts or CSV for a single chart (ChartImportExport, shipped).
What PRO adds, and why it matters
Store-wide default chart
Fallback chart for products with no per-product or category assignment (shipped).
Per-variation charts
Show a different chart depending on the variation the shopper selects (shipped).
Unit switching
Toggle the chart between cm and inch with one control (UnitSwitch, shipped).
Find my size
Measurement form that suggests a size from the chart (FindMySize, shipped).
Import / export
JSON backup for all charts or CSV for a single chart (ChartImportExport, shipped).
What you get: FREE vs PRO
PRO keeps everything in the free plugin and adds the modules below.
Feature FREE PRO
Reusable size charts ✓ ✓
Per-product assignment ✓ ✓
Accessible modal ✓ ✓
No external requests ✓ ✓
Configurable button text ✓ ✓
Themeable and responsive ✓ ✓
Graceful by design ✓ ✓
Template overrides ✓ ✓
Store-wide default chart × ✓
Per-variation charts × ✓
Unit switching × ✓
Find my size × ✓
Import / export × ✓
Sizer vs YITH Product Size Charts vs Woo Size Chart
How Sizer compares to the popular WooCommerce size-charts plugins.
| Sizer | YITH Product Size Charts | Woo Size Chart | |
|---|---|---|---|
| Free version | Yes | Yes | No |
| Reusable size charts | Yes | Yes | Yes |
| Per-product assignment | Yes | Yes | - |
| No external requests | Yes | - | - |
| Per-variation charts | Pro | - | - |
| Find my size | Pro | - | - |
| Open source (GPLv2) | Yes | Core GPL | Core GPL |
| Paid plan price | from €29/yr | Free + premium | Paid only |
Competitor data and pricing as of June 2026; check the vendors' sites for current pricing.
Start with Sizer FREE
Sizer Pro extends the free plugin with a default chart, per-variation charts, unit switching, Find my size and chart import/export.
Support and resources
Every plugin has its own documentation with setup walkthroughs. Bugs and questions go to the public GitHub repository for that plugin, we answer in the open.
Need help beyond the plugin?
Send the store context in writing. You will receive a scoped recommendation, without a sales call.
Compatibility audit
Check the plugin against checkout, HPOS, blocks, theme code and critical integrations.
Request an auditCustom integration
A scoped connector or extension when the standard plugin stops short of your workflow.
Describe the integrationYour email is used to answer this request only. Marketing messages require a separate, explicit opt-in.
Frequently asked questions
Does Sizer Pro require the free Sizer plugin?
Yes. Sizer Pro is an add-on, it requires Sizer FREE version 0.1.2 or later installed and active.
What ships today?
Store-wide default size chart (DefaultChart), per-variation charts (VariationCharts), unit switching (UnitSwitch), Find my size (FindMySize) and chart import/export (ChartImportExport, version 0.4.0).
Where do I get Sizer Pro?
Sizer Pro is sold and delivered through Freemius, which also handles licensing and automatic updates. It is not in the WordPress.org directory.
How much does PRO cost?
PRO runs €29/year for 1 site, €59 for 5 sites, or €99 for unlimited sites, charged in EUR through Freemius. PL shoppers get an approximate PLN figure.
How does Sizer compare to YITH Product Size Charts and Woo Size Chart?
Sizer is a free, open-source size guide with reusable charts, per-product assignment, and no external requests, adding per-variation charts and a find-my-size tool in its paid edition from €29/yr. YITH Product Size Charts is freemium with a premium tier, and the official Woo Size Chart is a paid Marketplace extension. All three are distributed under the GPL. Pricing as of June 2026.
Sizer FREE + Sizer Pro
Start with the free size guide. PRO adds default size chart, per-variation charts, unit switching, Find my size and chart import/export.
See plans & pricing