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Ninja Forms

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder

Free WordPress form builder with calculations, signatures, star ratings, unlimited submissions stored on your site, and an AI form builder.

★★★★☆4.4 (1,397) · 500k+ active installs
Free
Website ↗ WordPress.org ↗
what mrrlens sees
MRR · Freemium · upsell unknownPrice not published
Opportunity—
Buyer threads · 30 d0
“Stupid popup prompt for rating”
#1 complaint · UX · 54% of complaints read · analysed Oct 29, 2026 · source

01Revenue

Price not publishedFreemium · upsell unknown
Why there is no estimate

Ninja Forms has a paid tier, but the listing publishes no price. Without one, any revenue figure would rest on a guessed price, so MRRLens shows none and leaves revenue out of its opportunity score.

Exploratory math, not an estimate: if it charged a typical price for its marketplace, active users × paid conversion × monthly price would give $20k–100k a month. Assumptions: active users: 500k; 0.5%–2.5% of active users pay; no public price: assumed $8.00/month, typical for this marketplace. Methodology.

2 daily snapshots · growth 30 d: —

Store data from the WordPress.org listing, refreshed daily. Updated 13 h ago. Listed since 2011.

02Why users leave Ninja Forms

5★79%
4★5%
3★3%
2★3%
1★11%
UX6 reviews · 54%

Repeated rating and review popups annoy users; untested walkthrough and styling issues are also reported.

“Stupid popup prompt for rating” source ↗
4 more complaints, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 11 recent complaints (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Oct 2024–Apr 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Ninja Forms

Build difficultyMediumCrowded WordPress form market, integration expectations, and support burden; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Ninja Forms

0 buyer threads in the last 30 days name Ninja Forms, and 2 more are in the same market.

05Questions about Ninja Forms

How much revenue does Ninja Forms make?

MRRLens shows no revenue figure for Ninja Forms. It sells a paid tier but does not publish the price, and an estimate built on an assumed price would be a guess. The exploratory math is on the page, labelled as such.

What do users complain about most in Ninja Forms?

Across 11 recent complaints, the most common is ux (54%). Repeated rating and review popups annoy users; untested walkthrough and styling issues are also reported.

What are the best Ninja Forms alternatives?

The closest alternatives MRRLens found are Formidable Forms, WPForms and Fluent Forms. The full list, with why users leave, is on the Ninja Forms alternatives page.

How many people use Ninja Forms?

Ninja Forms lists 500k+ active installs on WordPress.org, rated 4.4 (1,397).

See the full x-ray of Ninja Forms

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.