Contact Form Ultimate vs K: Contact Form Builder
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Contact Form Ultimate, Nov 7, 2026 for K: Contact Form Builder.
The short answer
- On the Shopify App Store: Contact Form Ultimate 4.0 from 11 reviews and K: Contact Form Builder 5.0 from 86 reviews.
- Contact Form Ultimate lists 13 features K: Contact Form Builder’s listing doesn’t mention, including Applications, Bookings, CAPTCHA.
Head to head
Drag&Drop Form Builder: contact us, contact page, quotation...
- United States
- Canada
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
PREMIUM (Monthly)
- · 500 free emails/month
- · All form types & templates
- · SMTP services: Yes
- · Storage: 2GB
- · Unlimited SMTP emails/month
- · Unlimited forms & input fields
PREMIUM (Annually)
- · 500 free emails/month
- · All form types & templates
- · SMTP services: Yes
- · Storage: 2GB
- · Unlimited SMTP emails/month
- · Unlimited forms & input fields
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureContact Form Ultimate app enables you to create multiple types of forms and encourage customers/visitors to contact you. Our app supports multiple input fields to add to your form: text, text area, quiz, selection, reCAPTCHA, file upload, etc. Every form is fully customizable, you can display them anywhere on the storefront.
Effortlessly connect with your customers to generate more leads and product sales with Contact Form Builder. Easy to build Popup Contact Form, Page Embedded Forms, Signup Form, Multi Step Forms & Floating Bubble Forms. Select the fields, add contact form file upload, ensuring you gather all the information in register form or data collection form.
- Easily create a new form using drag & drop form builder or 16 premade templates.
- Support multiple input fields: text, HTML, date, quiz, reCAPTCHA, file, etc.
- Display your forms anywhere using shortcodes: contact page, product page, etc.
- Manage, view, and reply to all contact messages directly from the app backend.
- Effortlessly create forms and collect data from your customers.
- Customize the app to suit your website style.
- Trigger your form anywhere.
- Lots of form templates to save your time.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Contact Form Ultimate |  K: Contact Form Builder |
|---|---|---|
| Detected stores | 222 | Not published |
| Net store change, 28 days | −7 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Home & Garden, Apparel & Accessories, Health & Beauty | Not published |
| Top store countries | United States, Canada, Australia | Not published |
Reviews
| Measure | Contact Form Ultimate | K: Contact Form Builder |
|---|---|---|
| App Store rating | 4.0 ★ | 5.0 ★(ahead) |
| App Store reviews | 11 | 86(ahead) |
| New reviews, 28 days | 0 | 9(ahead) |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | Contact Form Ultimate | K: Contact Form Builder |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $7.99/month | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 2 | Not published |
Listing
| Measure | Contact Form Ultimate | K: Contact Form Builder |
|---|---|---|
| Shopify category rank | #77 | #3(ahead) |
| Shopify App Charts | #15 in Forms | #2 on Review surge in Forms |
| Built for Shopify | No | No |
| Launched | Oct 4, 2021 | Jul 10, 2024 |
| Languages | 1 | 1 |
| Developer | Vital Apps | Kaktus |
FAQ
Contact Form Ultimate and K: Contact Form Builder: common questions
- Which has better reviews, Contact Form Ultimate or K: Contact Form Builder?
- On the Shopify App Store: Contact Form Ultimate 4.0 from 11 reviews and K: Contact Form Builder 5.0 from 86 reviews.
- What features does each app list that the other doesn’t?
- Contact Form Ultimate lists 13 the others don’t mention, such as Applications, Bookings, CAPTCHA, Custom JavaScript. K: Contact Form Builder lists 5 the others don’t mention, such as Analytics, Conditional logic, Dynamic logic, Email templates. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026 for Contact Form Ultimate, Nov 7, 2026 for K: Contact Form Builder; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026 for Contact Form Ultimate, Nov 7, 2026 for K: Contact Form Builder. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.