ECF vs K

Side-by-side comparison

ECF

4.9·43reviews

Create attractive form using form builder with conditional based form, Customer based form, etc...

shopifyFree trial available

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New comparison

K

5.0·86reviews

Flexible custom contact forms with file upload to handle inquiries and boost lead generation.

shopifyFree

Change

At a glance

9 metrics · ★ = leads on this metric

Feature comparison between ECF: Contact Form Builder and K: Contact Form Builder
Metric	ECF: Contact Form Builder	K: Contact Form Builder
Rating	4.9 ★	★ 5.0 ★
Total reviews	43	★ 86
Free plan	Yes	Yes
Pricing	Free trial available	Free
Pricing tiers	3 tiers	—
Listed features	4	★ 5
Review velocity (30d)	0 new	★ 3 new

AppRanks verdict

Generated from live data on this page

The call

On the measured data here, K: Contact Form Builder leads on more dimensions (4 vs 1). Pick ECF if one of the points where it leads is what you need.

Where ECF leads

Lists Custom JavaScript, Email and Form limits (+3 more) in its marketplace category features; K: Contact Form Builder doesn't.

Where K: Contact Form Builder leads

Lists a free plan; ECF doesn't.
Available in more languages: 4 vs 1.
Ranks higher in Form: #3 vs #38 of 238.
Lists Analytics, Dynamic logic and Font and color (+2 more) in its marketplace category features; ECF doesn't.

How this is generated

Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology

Read each app's audit: ECF: Contact Form Builder audit • K: Contact Form Builder audit

1. Listing metadata

Field-level data

Field	ECF	K
Tagline	“Create attractive form using form builder with conditional based form, Customer based form, etc...”	“Flexible custom contact forms with file upload to handle inquiries and boost lead generation.”
Listing audit	90/100 listing audit	88/100 listing audit
Screenshots	4 images	6 images
Languages	English	EnglishSpanishPortuguese (Brazil)Portuguese (Portugal)
Platforms	Shopify	Shopify
Developer	Cirkle Studio LLC

Listed since	Mar 2020	Jul 2024

Listed	March 18, 2020	July 10, 2024

Keyword	ECF	K
contact form	#17	#3
form builder	#22	#3
form builder with	#22	#3
form	#36	#5
forms	#38	#5

8. Quality signals

Reviews · velocity · latest sentiment

Signal	ECF	K
Average rating	4.9 ★ (43)	5.0 ★ (86)
Rating distribution	593% 42% 32% 20% 12%	596% 42% 31% 20% 11%
Reviews · last 7 days	+0	+0
Reviews · last 30 days	+0	+3
Reviews · last 90 days	+0	+21

5 latest reviews · each app

ECF

Oct 21, 2025
Thanks for helping out. Good customer care service
juniorKuppanna · India
Aug 13, 2025
ECF is an excellent App that has helped us gather user data for numerous projects. The customer support team is also very responsive and always quick to assist.
UGREEN NAS US · United States
Aug 7, 2025
Really nice app and the customer support has been over and above. Thank you!
Out of the Woods · United States
Jul 22, 2025
The tool is intuitive to use. The forms fulfilled exactly what we were looking for. The customer support and developers were extremely helpful, responsive, and quickly resolved an issue we had.
Counter Culture Coffee · United States

Frequently asked

Common questions about this comparison

Is ECF: Contact Form Builder or K: Contact Form Builder cheaper?

K: Contact Form Builder is cheaper to start with — it offers a free plan and ECF: Contact Form Builder doesn't list one. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.

Which has better reviews, ECF: Contact Form Builder or K: Contact Form Builder?

ECF: Contact Form Builder (4.9★, 43 reviews) and K: Contact Form Builder (5.0★, 86 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.

Should I choose ECF: Contact Form Builder or K: Contact Form Builder?

K: Contact Form Builder holds the higher average rating (5.0★ vs 4.9★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.

Which is faster to set up, ECF: Contact Form Builder or K: Contact Form Builder?

Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; K: Contact Form Builder has more published reviews to read for user-reported install experience (86 vs 43).

Which works better for small vs large Shopify App Store merchants?

AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: ECF: Contact Form Builder has 43 published reviews; K: Contact Form Builder has 86 published reviews. Compare plan limits and pricing tiers against your own volume.

Can I migrate data between ECF: Contact Form Builder and K: Contact Form Builder?

Migration support varies by app and category. ECF: Contact Form Builder and K: Contact Form Builder both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from ECF: Contact Form Builder" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.

ECF vs K

ECF

K

At a glance

AppRanks verdict

1. Listing metadata

2. Pricing & plans

3. Features

4. Categories & rankings

5. Category features

6. Search rankings

7. Activity in the last 90 days

ECF · 2 changes

K · 0 changes

8. Quality signals

5 latest reviews · each app

9. App details

Frequently asked

Is ECF: Contact Form Builder or K: Contact Form Builder cheaper?

Which has better reviews, ECF: Contact Form Builder or K: Contact Form Builder?

Should I choose ECF: Contact Form Builder or K: Contact Form Builder?

Which is faster to set up, ECF: Contact Form Builder or K: Contact Form Builder?

Which works better for small vs large Shopify App Store merchants?

Can I migrate data between ECF: Contact Form Builder and K: Contact Form Builder?

Track these apps' keyword rankings and listing changes

More popular comparisons

ECF vs K

ECF

K

At a glance

AppRanks verdict

1. Listing metadata

2. Pricing & plans

3. Features

4. Categories & rankings

5. Category features

6. Search rankings

7. Activity in the last 90 days

ECF · 2 changes

K · 0 changes

8. Quality signals

5 latest reviews · each app

9. App details

Frequently asked

Is ECF: Contact Form Builder or K: Contact Form Builder cheaper?

Which has better reviews, ECF: Contact Form Builder or K: Contact Form Builder?

Should I choose ECF: Contact Form Builder or K: Contact Form Builder?

Which is faster to set up, ECF: Contact Form Builder or K: Contact Form Builder?

Which works better for small vs large Shopify App Store merchants?

Can I migrate data between ECF: Contact Form Builder and K: Contact Form Builder?

10. Other comparisons people make

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