Ninja Forms

Free core builder with add-ons sold individually or in memberships

Overview

Ninja Forms has been part of the WordPress ecosystem since 2011; its directory page says it began as a volunteer project for a local nonprofit.[11] The free plugin was listed on WordPress.org in December 2011 and reported 500,000+ active installations in November 2026.[11]

The free core is positioned as a complete product rather than a trial. It includes a drag-and-drop builder and an AI form builder, calculations, signatures, star ratings, repeatable field groups, spam protection and submission management, and every submission is stored in the site’s own database with no limit on forms or submissions.[11] Premium functionality is sold as individual add-ons that can be bought one at a time, and memberships bundle them; membership tiers differ by number of sites.[11][10]

Release 3.16.1 on 9 November 2026 improved behaviour after failed or cancelled submissions and date validation.[11] The add-on model allows buyers to pay only for what they use, but the cost of several add-ons can exceed a bundled licence from a rival, and the builder’s interface is less modern than those of newer competitors.

Ninja Forms features

  • Unlimited forms and stored submissions
  • Calculations and signatures in the free core
  • Repeatable field groups
  • AI form builder
  • Add-ons sold individually
  • Yearly memberships bundling add-ons

Ninja Forms pricing

US dollars per year, list price (discount shown at review in brackets): Plus $99 ($59.40, 3 sites), Pro $199 ($119.40, 20 sites), Elite $499 ($299.40, unlimited sites). Core plugin free.

Ninja Forms strengths and limitations

Strengths

  • Free core includes calculations and submission storage
  • Buy individual add-ons instead of a full tier
  • Pro licence covers 20 sites
  • Long track record

Limitations

  • Add-on costs accumulate
  • Interface feels dated next to newer builders
  • Payments require paid add-ons

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