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Common Ninja Form Builder

commoninja.com

From $2/mo Free plan WebAPI
Visit commoninja.com
Spec score 9.1 #1 of 39 in Online Form Builders

What it is

Common Ninja Form Builder is a web tool for creating forms that collect leads, payments and file uploads. Forms can be embedded inline, styled with custom CSS, and customized visually; one native integration is listed. Its plans range from a free option limited to one form to three annually billed paid tiers: Essentials at $24 a year, Pro at $38.40 a year, and Ultimate at $62.40 a year. The listed capabilities also include audience targeting, A/B testing and geo-targeting. Campaign formats include modals, banners, slide-ins, fullscreen displays and lightboxes, triggered by page load, scroll depth, exit intent, time on page or a click. Other listed features include social-post feeds, content moderation and grid display. Common Ninja, the maker, was founded in 2021 and is headquartered in Israel.

Spec sheet

What it does
Common Ninja Form Builder is a no-code, embeddable form widget for building multi-field forms on websites.Read 15 Oct 2026 · commoninja.com
Free plan
YesRead 20 Sep 2026 · commoninja.com
Integrations
Common Ninja says its widgets integrate with social, CRM and other third-party services, while the form page specifically mentions Google Sheets and EMR systems.Read 15 Oct 2026 · help.commoninja.com
Headquarters
IsraelRead 28 Sep 2026 · commoninja.com
Founded
2021Read 28 Sep 2026 · commoninja.com
API authentication
An account-level API key is available in the dashboard for authenticated programmatic requests and can be regenerated if compromised.Read 15 Oct 2026 · help.commoninja.com
Cancellation rule
Deleting a widget does not cancel billing; cancellation must be performed from the dashboard billing menu.Read 15 Oct 2026 · commoninja.com
Company founding and headquarters
LinkedIn lists the company as founded in 2021 with headquarters in Netanya, Israel.Read 15 Oct 2026 · linkedin.com
Company size
LinkedIn lists Common Ninja as a privately held technology company with 11–50 employees.Read 15 Oct 2026 · linkedin.com
Conditional logic
Forms can show or hide fields according to earlier answers.Read 15 Oct 2026 · commoninja.com
Customization
Users can select skins and change typography, spacing, colors, field styling, headers, footers, thank-you pages and custom CSS.Read 15 Oct 2026 · commoninja.com
Documentation and support
Common Ninja provides a Zendesk Help Center, community forum, platform guides and a developer API portal.Read 15 Oct 2026 · commoninja.com
Embed options
inlineRead 20 Sep 2026 · commoninja.com
Embedding
Publishing uses a one-line embed snippet that can be pasted into Divi, Google Sites, Squarespace, Wix, Webflow, Framer, WordPress, Shopify and other platforms.Read 15 Oct 2026 · commoninja.com
Field types
The builder supports text, dropdown, multiselect, checkbox, radio, date, time, number, currency, file, image, payment, signature and rating fields.Read 15 Oct 2026 · commoninja.com
File uploads
YesRead 20 Sep 2026 · commoninja.com
Form limit
1Read 20 Sep 2026 · commoninja.com
Funding
Crunchbase labels Common Ninja private and pre-seed and lists two funding rounds, with amounts obscured on the public page.Read 15 Oct 2026 · crunchbase.com
HIPAA mode
The product describes a HIPAA mode with encryption in transit and at rest, retention rules, role-based access, audit logs and a HIPAA-compliant API.Read 15 Oct 2026 · commoninja.com
Legal entity
Crunchbase identifies the legal name as Common Ninja Ltd.Read 15 Oct 2026 · crunchbase.com
Limit: G2 pricing and coverage
G2 reviewers report steep price jumps when adding widgets, dissatisfaction with custom-plan minimums and a desire for more widget types.Read 15 Oct 2026 · g2.com
Limit: hosted delivery
The published product and developer pages describe an online widget service and embed/API access; they do not document a self-hosted deployment option.Read 15 Oct 2026 · developers.commoninja.com
Limit: Trustpilot refunds
One Trustpilot reviewer complained that annual subscriptions were treated as non-refundable after a seven-day window.Read 15 Oct 2026 · trustpilot.com
Limit: Trustpilot reliability
Trustpilot includes complaints about a Wix widget not working and an unanswered support request, plus criticism that useful features were paywalled.Read 15 Oct 2026 · trustpilot.com
Multiple submissions
The editor can allow one user to submit repeatedly when that option is enabled.Read 15 Oct 2026 · commoninja.com
Native integrations
1Read 20 Sep 2026 · commoninja.com
Notifications
Owners can send submission alerts to multiple addresses and send confirmation emails to submitters.Read 15 Oct 2026 · commoninja.com
Payment collection
YesRead 20 Sep 2026 · commoninja.com
Payments
A payment field can collect deposits, fees, donations or product charges inside the form flow.Read 15 Oct 2026 · commoninja.com
Platform scale
The product page claims support for more than 200 website platforms.Read 15 Oct 2026 · commoninja.com
Praise: G2 ease and variety
G2 reviewers praise the broad widget selection, easy integration, responsive support and quick issue updates.Read 15 Oct 2026 · g2.com
Praise: Shopify breadth and support
The sole Shopify reviewer praised immediate answers from support and the breadth of available widgets.Read 15 Oct 2026 · apps.shopify.com
Praise: Trustpilot support
Trustpilot reviewers repeatedly describe fast, patient support and help resolving embedding or configuration problems.Read 15 Oct 2026 · trustpilot.com
Pricing model
Pricing is based on the number of widget instances selected, with monthly or annual billing and a stated 20% annual discount in the plan guide.Read 15 Oct 2026 · help.commoninja.com
Public API
The developer portal documents API access to retrieve widget data, update widgets, read personal account information and read project data.Read 15 Oct 2026 · developers.commoninja.com
Rating on G2
3.7 out of 5 from 6 reviewsRead 15 Oct 2026 · g2.com
Rating on Shopify App Store
5 out of 5 from 1 reviewRead 15 Oct 2026 · apps.shopify.com
Rating on Trustpilot
4.3 out of 5 from 166 reviewsRead 15 Oct 2026 · trustpilot.com
Responsive design
The form is described as mobile responsive and adapts to its container width across breakpoints.Read 15 Oct 2026 · commoninja.com
Spam protection
The widget offers CAPTCHA-based anti-spam verification for submissions.Read 15 Oct 2026 · commoninja.com
Submission handling
Submissions appear in the Common Ninja dashboard and notification email and can be exported as CSV.Read 15 Oct 2026 · commoninja.com
Uploads
File and image fields accept configured file types and size limits and attach uploads to submissions.Read 15 Oct 2026 · commoninja.com
Webhook support
Form plans include webhook notifications for sending submission events to other systems.Read 15 Oct 2026 · help.commoninja.com

Plans and prices

Free Free Free forever 1 form Read 20 Sep 2026 · commoninja.com
Essentials $24 a year Billed annually; $2.00/month equivalent Read 15 Oct 2026 · commoninja.com
Pro $38.40 a year Billed annually; $3.20/month equivalent Read 15 Oct 2026 · commoninja.com
Ultimate $62.40 a year Billed annually; $5.20/month equivalent Read 15 Oct 2026 · commoninja.com
Free Free Free forever 1 form · no time limit · no credit card Read 15 Oct 2026 · commoninja.com

Every Common Ninja Form Builder plan and price →

Strong points and limits

Strong points

  • Collects payments and file uploads.
  • Inline embedding and custom CSS are available.
  • Includes audience targeting and A/B testing.
  • Free plan allows one form.

Limits

  • Free plan is limited to one form.
  • Only one native integration is listed.
  • Paid plans are billed annually.

Who it suits

It suits web publishers who need embedded forms for leads or payments, with options for uploads and custom styling. The targeting and campaign controls may be useful for teams managing on-site campaigns.

Verdict

Common Ninja Form Builder covers form collection alongside campaign targeting and display controls. The one-form free limit and annual paid tiers are important to weigh against its listed capabilities.

Where Specifiction places it

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