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Best cost estimator plugins for WordPress

The most popular cost estimator plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Project Cost Calculator leads with 100+ active installs, ahead of Quotineer (fewer than 10) and Smart Estimate B2B (fewer than 10). All 4 plugins tagged “cost estimator” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 4 cost estimator plugins

  1. 1.
    Project Cost Calculator

    The most installed cost estimator plugin, with 100+ active installs. Only 2 reviews so far, last updated 2 years ago. Tested only up to WordPress 6.4.14.

  2. 2.
    Quotineer

    Fewer than 10 active installs. No reviews yet, updated 6 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    Smart Estimate B2B

    Fewer than 10 active installs. No reviews yet, updated 7 months ago. Tested only up to WordPress 6.9.11.

  4. 4.
    Dental Cost Estimator

    Fewer than 10 active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.

All 4 plugins tagged “cost estimator”