ECF vs KNO Post Purchase Surveys

Side-by-side comparison

ECF

4.9·43reviews

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

shopifyFree plan available

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New comparison

KNO Post Purchase Surveys

4.9·118reviews

Unlock insights with post-purchase surveys for attribution, CRO, CX, product development, and more.

shopifyFree trial available

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At a glance

8 metrics · ★ = leads on this metric

Feature comparison between ECF: Contact Form Builder and KNO Post Purchase Surveys
Metric	ECF: Contact Form Builder	KNO Post Purchase Surveys
Rating	4.9 ★	4.9 ★
Total reviews	43	★ 118
Free plan	Yes	Yes
Pricing	Free plan available	Free trial available
Pricing tiers	3 tiers	3 tiers
Listed features	4	★ 5
Languages	1 supported	1 supported

AppRanks verdict

Generated from live data on this page

The call

On the measured data here, KNO Post Purchase Surveys leads on more dimensions (3 vs 1). Pick ECF if one of the points where it leads is what you need.

Where ECF leads

Lists CAPTCHA, Contacts and Custom (+16 more) in its marketplace category features; KNO Post Purchase Surveys doesn't.

Where KNO Post Purchase Surveys leads

More published reviews: 118 vs 43.
Ranks higher in Survey: #15 vs #47 of 195.
Lists Activity tracking, Analytics and Analytics dashboard (+23 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 • KNO Post Purchase Surveys audit

1. Listing metadata

Field-level data

Field	ECF	KNO Post Purchase Surveys
Tagline	“Create attractive form using form builder with conditional based form, Customer based form, etc...”	“Unlock insights with post-purchase surveys for attribution, CRO, CX, product development, and more.”
Listing audit	90/100 listing audit	89/100 listing audit
Screenshots	4 images	6 images
Languages	English	English
Platforms	Shopify	Shopify
Developer	Cirkle Studio LLC	KnoCommerce Inc

Listed since	Mar 2020	Oct 2020

Listed	March 18, 2020	October 19, 2020

Keyword	ECF	KNO Post Purchase Surveys
product feedback	#39	#18
survey	#60	#8

8. Quality signals

Reviews · velocity · latest sentiment

Signal	ECF	KNO Post Purchase Surveys
Average rating	4.9 ★ (43)	4.9 ★ (118)

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
Mar 4, 2025
This app is incredibly user-friendly, with outstanding support and excellent service!
Gekpower-Canada · Canada

KNO Post Purchase Surveys

Review text isn't collected for this app yet (118 reviews on the marketplace).

Frequently asked

Common questions about this comparison

Is ECF: Contact Form Builder or KNO Post Purchase Surveys cheaper?

Neither ECF: Contact Form Builder nor KNO Post Purchase Surveys lists a free plan. ECF: Contact Form Builder lists no paid plan with a published price; KNO Post Purchase Surveys lists no paid plan with a published price. 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 KNO Post Purchase Surveys?

ECF: Contact Form Builder (4.9★, 43 reviews) and KNO Post Purchase Surveys (4.9★, 118 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 KNO Post Purchase Surveys?

AppRanks cannot separate these two on rating — both sit at 4.9★. KNO Post Purchase Surveys does carry the larger published review base (118 vs 43). Read both apps' detail pages for the feature breakdown and recent listing changes.

Which is faster to set up, ECF: Contact Form Builder or KNO Post Purchase Surveys?

Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; KNO Post Purchase Surveys has more published reviews to read for user-reported install experience (118 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; KNO Post Purchase Surveys has 118 published reviews. Compare plan limits and pricing tiers against your own volume.

Can I migrate data between ECF: Contact Form Builder and KNO Post Purchase Surveys?

Migration support varies by app and category. ECF: Contact Form Builder and KNO Post Purchase Surveys 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 KNO Post Purchase Surveys

ECF

KNO Post Purchase Surveys

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

KNO Post Purchase Surveys · 1 changes

8. Quality signals

5 latest reviews · each app

9. App details

Frequently asked

Is ECF: Contact Form Builder or KNO Post Purchase Surveys cheaper?

Which has better reviews, ECF: Contact Form Builder or KNO Post Purchase Surveys?

Should I choose ECF: Contact Form Builder or KNO Post Purchase Surveys?

Which is faster to set up, ECF: Contact Form Builder or KNO Post Purchase Surveys?

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

Can I migrate data between ECF: Contact Form Builder and KNO Post Purchase Surveys?

Track these apps' keyword rankings and listing changes

More popular comparisons

ECF vs KNO Post Purchase Surveys

ECF

KNO Post Purchase Surveys

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

KNO Post Purchase Surveys · 1 changes

8. Quality signals

5 latest reviews · each app

9. App details

Frequently asked

Is ECF: Contact Form Builder or KNO Post Purchase Surveys cheaper?

Which has better reviews, ECF: Contact Form Builder or KNO Post Purchase Surveys?

Should I choose ECF: Contact Form Builder or KNO Post Purchase Surveys?

Which is faster to set up, ECF: Contact Form Builder or KNO Post Purchase Surveys?

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

Can I migrate data between ECF: Contact Form Builder and KNO Post Purchase Surveys?

10. Other comparisons people make

vs ECF

vs KNO Post Purchase Surveys

Track these apps' keyword rankings and listing changes

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