ECS ‑ Contact Form Builder 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 Oct 13, 2026 for ECS, Nov 1, 2026 for K: Contact Form Builder.
The short answer
- On the Shopify App Store: ECS 5.0 from 1 reviews and K: Contact Form Builder 5.0 from 112 reviews.
- ECS lists 11 features K: Contact Form Builder’s listing doesn’t mention, including Applications, Custom fields, Data export.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter Plan
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureECS Contact Form Builder helps merchants create and manage custom forms for contact requests, quotes, product enquiries, registrations, and lead capture. Merchants can build forms with drag-and-drop fields, add conditional logic and multi-step flows, protect submissions with Google reCAPTCHA, collect file uploads through Shopify Files, and display forms on the storefront as popups or embedded theme blocks.
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.
- Build custom contact, enquiry, quote, and lead forms without code
- Display forms as storefront popups or embedded theme blocks
- Collect, view, export, and analyze submissions in Shopify Admin
- Protect forms with Google reCAPTCHA and support file uploads
- 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 |  ECS |  K: Contact Form Builder |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | ECS | K: Contact Form Builder |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 1 | 112(ahead) |
| New reviews, 28 days | Not enough data | 8 |
| Reviewers a year or more in | Not enough data | 0% |
Pricing
| Measure | ECS | K: Contact Form Builder |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $5.99/month | No monthly plan listed |
| Longest free trial | 7 days | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | ECS | K: Contact Form Builder |
|---|---|---|
| Shopify category rank | #134 | #3(ahead) |
| Shopify App Charts | Not on this week’s charts | #2 on Review surge in Forms |
| Built for Shopify | No | No |
| Launched | May 8, 2026 | Jul 10, 2024 |
| Languages | 1 | 1 |
| Developer | EasycodingSchool | Kaktus |
FAQ
ECS and K: Contact Form Builder: common questions
- Which has better reviews, ECS or K: Contact Form Builder?
- On the Shopify App Store: ECS 5.0 from 1 reviews and K: Contact Form Builder 5.0 from 112 reviews.
- What features does each app list that the other doesn’t?
- ECS lists 11 the others don’t mention, such as Applications, Custom fields, Data export, Feedback. K: Contact Form Builder lists 1 the others don’t mention, such as Embedded forms. 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 Oct 13, 2026 for ECS, Nov 1, 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 Oct 13, 2026 for ECS, Nov 1, 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.