K: Contact Form Builder vs Optinify

K: Contact Form Builder logo K: Contact Form Builder vs Optinify ‑ Email & SMS Popups logo Optinify ‑ Email & SMS Popups

How K: Contact Form Builder and Optinify compare on the Shopify App Store: rating, review count, pricing, the Built for Shopify badge, and where each one ranks in the store's organic search results. Every number is the App Store's own and is never edited.

Updated October 10, 2026 · App Store data

Maintained by Rankbase, built by a Shopify app developer

K: Contact Form Builder vs Optinify at a glance

As of October 10, 2026, K: Contact Form Builder is rated 5.0 stars from 77 reviews and Optinify is rated 5.0 stars from 8 reviews on the Shopify App Store.

  • Rating: Both are rated 5.0 stars.
  • Reviews: K: Contact Form Builder has more reviews, 77 against 8.
  • Pricing: K: Contact Form Builder lists "Free", Optinify "Free trial available".
K: Contact Form Builder and Optinify on the Shopify App Store, as of October 10, 2026: rating, review count, pricing label, the Built for Shopify badge, and the date each app's data was last read from the store.
Fact K: Contact Form Builder Optinify
Tagline Create custom contact us forms to collect requests with ease. Targeted email & SMS popups with rewards and A/B testing.
Rating ★ 5.0 ★ 5.0
Reviews 77 8
Pricing Free Free trial available
Built for Shopify No badge No badge
Data as of October 10, 2026 October 6, 2026

Ratings, review counts, pricing labels and badges are read from each app's Shopify App Store search result card. Rankings are the store's organic results for the searches Rankbase tracks; sponsored results are excluded.

Where each app ranks in App Store search

Every Shopify App Store search Rankbase tracks where K: Contact Form Builder or Optinify is in the top 10 today, with the position merchants see. Organic results only, across 3,798 tracked searches; sponsored placements never count.
App Store search K: Contact Form Builder Optinify
Only K: Contact Form Builder ranks · 24 searches
Formulaire #1 not in top 10
Formulaire De Contact #1 not in top 10
Formulario #1 not in top 10
Formulario De Contacto #1 not in top 10
Formularios #1 not in top 10
Kontaktformular #1 not in top 10
Contact US #2 not in top 10
Contact US Form #2 not in top 10
Form Builder With File Upload #2 not in top 10
Mailerlite #2 not in top 10
Contact #3 not in top 10
Contact Form #3 not in top 10
Contact Form Builder #3 not in top 10
Form Builder #4 not in top 10
Forms #4 not in top 10
Hulk Form Builder #4 not in top 10
Form #5 not in top 10
Powerful Contact Form Builder #5 not in top 10
Constant Contact #6 not in top 10
Powr Form Builder #6 not in top 10
Formular #8 not in top 10
Globo Form Builder #9 not in top 10
Hulk Form #9 not in top 10
Powerful Form Builder #9 not in top 10

In the App Store's organic search results, K: Contact Form Builder ranks in the top 10 for 24 of the 3,798 searches we track and Optinify for none. They do not currently share a top-10 result. They last ranked together for "mailerlite" on September 22, 2026.

Frequently asked questions

Is K: Contact Form Builder or Optinify rated higher on the Shopify App Store?

Both are rated 5.0 stars. K: Contact Form Builder has more reviews, 77 against 8.

Which has more reviews, K: Contact Form Builder or Optinify?

K: Contact Form Builder has more reviews, 77 against 8.

Which ranks higher in Shopify App Store search, K: Contact Form Builder or Optinify?

In the App Store's organic search results, K: Contact Form Builder ranks in the top 10 for 24 of the 3,798 searches we track and Optinify for none. They do not currently share a top-10 result. They last ranked together for "mailerlite" on September 22, 2026.

How is this comparison made?

Rankbase records the organic results merchants see when they search the Shopify App Store for 3,798 popular keywords, refreshed daily for published rankings and at least weekly for the rest. Each app's rating, review count, pricing label and Built for Shopify badge are taken from its App Store search result card, so they are exactly what merchants see; the date next to each app is the last time it appeared in any tracked top 10. Sponsored results are excluded, and nothing on this page is edited by hand, including for Rankbase's own apps.

More comparisons

K: Contact Form Builder against other apps

Optinify against other apps

Rankbase paired these two apps on September 9, 2026, when both ranked in the top 3 for "mailerlite". The page stays as long as either app keeps ranking or the comparison keeps being read, and every number on it is refreshed from the App Store.

All app comparisons →   ·   Browse keyword rankings →

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Built by Craftshift

Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.

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