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wp.org search vs our merit ranking: “invoice builder”

wp.org orders by popularity, so a plugin a host bundled onto millions of sites, or a big-brand one that's slow and mediocre, can sit at the top. Our ranking is built to answer a different question: which of these is actually worth installing. How this works →

For “invoice builder”, we agree with wp.org on the top plugin, and our order differs from theirs on 11 of the top 20. 5 plugins are pushed down for signals wp.org ignores: errors, a host-installed base, or removal risk.

wp.org search ranks on

Install count (uncapped), the raw star average, freshness, and support. Popularity dominates, so the biggest install base usually wins regardless of how it got there.

We add

A cap on the install boost, volume-weighted ratings, and signals wp.org can't see: whether it throws errors on current PHP, whether the install base is organic or host-pushed, and its risk of being pulled.

Ranked above its merit

Easy Invoice – Invoice Generator, PDF Quotes & Payments shows at wp.org #8 but places #19 on merit, a gap of 11 places. Its 600+ installs carry it up the search order; its 4.4★ average from 7 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder places #10 on merit, 4.8★ from 832 reviews, but shows at wp.org #18. A smaller install base keeps it further down the default search order than its quality signals alone would.

merit plugin wp.org
1 PDF Invoices & Packing Slips for WooCommerce 300K+ · 5.0★ (1865) wp.org #1 2 WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More 5M+ · 4.8★ (14387) wp.org #3 1 too low 3 PDF Builder for WooCommerce. Create invoices,packing slips and more 2K+ · 4.7★ (145) wp.org #2 1 too high 4 Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder 800K+ · 4.8★ (807) wp.org #4 5 Cost Calculator Builder 20K+ · 4.5★ (393) wp.org #7 ↑1 2 too low 6 Jetpack CRM – Clients, Leads, Invoices, Billing, Email Marketing, & Automation 30K+ · 4.3★ (152) wp.org #6 ↓1 7 Masteriyo LMS – LMS Course Builder, Quizzes & Certificates 6K+ · 4.8★ (184) wp.org #5 2 too high 8 Formidable Forms – Contact Form, Survey, Quiz, Payment, Calculator Form & Custom Form Builder 300K+ · 4.8★ (1388) wp.org #13 ↓1 5 too low 9 Germanized for WooCommerce 70K+ · 4.8★ (496) wp.org #16 7 too low 10 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder 50K+ · 4.8★ (832) wp.org #18 8 too low 11 Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI 90K+ · 4.9★ (375) wp.org #14 ↓1 3 too low 12 SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz 500K+ · 4.8★ (102) wp.org #11 ↓1 1 too high 13 Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder 10K+ · 5.0★ (259) wp.org #19 6 too low 14 Easy Digital Downloads – eCommerce Payments and Subscriptions made easy 40K+ · 4.7★ (591) wp.org #23 ↓1 9 too low 15 Sliced Invoices – WordPress Invoice Plugin 4K+ · 4.6★ (117) wp.org #10 ↓1 5 too high 16 Sprout Invoices – Client Invoicing & Estimates 1K+ · 4.4★ (191) wp.org #17 1 too low 17 PDF Invoices & Packing Slips for WooCommerce – Challan 7K+ · 4.6★ (47) wp.org #9 ↓2 8 too high 18 CoDesigner – All in One Elementor WooCommerce Builder 5K+ · 4.4★ (153) wp.org #15 3 too high 19 Easy Invoice – Invoice Generator, PDF Quotes & Payments 600+ · 4.4★ (7) wp.org #8 ↓2 11 too high 20 PDF Invoice for WooCommerce + Drag and Drop Template Builder 500+ · 5.0★ (6) wp.org #12 ↓1 8 too high 21 PDF for Elementor Forms + Drag And Drop Template Builder 1K+ · 3.9★ (11) wp.org #22 ↓1 1 too low 22 YeeMail — Email Template Builder & Customizer 700+ · 5.0★ (3) wp.org #21 ↓1 1 too high 23 RockyThemes Invoice Builder for WooCommerce 60+ · 0.0★ (0) wp.org #20 3 too high 24 Invofast Invoice Printer for WooCommerce 50+ · 5.0★ (1) wp.org #24

Merit ranking caps the install boost at 1M (wp.org leaves it uncapped), replaces the raw star average with a volume-weighted Bayesian score and a Wilson lower bound, and keeps wp.org's own freshness and compatibility decays. Method from the plugin-directory source; see Meta Trac #8298. Positions are tracked daily from the first visit to a keyword, so the small arrows show movement since tracking began.