Extendons Cart Customizer App

Shopify cart customization app by Extendons·Edit cart page variants in one click color, size, material without going back to the product page.

Snapshot

4.20(5 reviews)#179of 472 inCart customization

Ongoing.AI tracks Extendons Cart Customizer App daily — category rank, keyword positions in App Store search, install footprint, listing changes, and reviewer sentiment — back to when we first observed the listing.

Rating

4.20

5 reviews

Pricing

From $0/mo

free_trial

Built for Shopify

No

Years live

2

launched Jul 17, 2023

Last updated

Jun 30, 2026

Shopify listing

Catalog position

Where Extendons Cart Customizer App sits in the App Store.

Rank and percentile inside the Cart customization category — the competitive shape of the niche around this app.

Rank in Cart customization

#179

of 472 active apps

Review count percentile

61th

vs category siblings

Rating percentile

46th

vs category siblings

Years on App Store

2

since 2023

Listing change cadence

What Extendons Cart Customizer App has changed lately.

Every pricing tweak, tagline refresh, and Shopify-side listing ping. Captured from Ongoing.AI’s per-scrape diff log — the cadence and the content of changes, in one strip.

Listing changes · last 21 days+14shopify_lastmod: 2026-06-10 → 2026-06-13works_with: none → Shopify Adminshopify_lastmod: 2026-06-13 → 2026-06-14shopify_lastmod: 2026-06-14 → 2026-06-16shopify_lastmod: 2026-06-16 → 2026-06-22works_with: Shopify Admin → noneshopify_lastmod: 2026-06-22 → 2026-06-30Jun 13, 26Jun 23, 26Jul 4, 26

Shopify Lastmod · Jul 1

2026-06-22 → 2026-06-30

Works With · Jun 23

Shopify Admin → none

Shopify Lastmod · Jun 23

2026-06-16 → 2026-06-22

PricingIdentity & listingCadence

Reviews

What merchants are saying

4.20(5 reviews)
  • 80%positive4
  • 0%neutral0
  • 20%negative1

Popular mentions

  • performance
  • bug

Top themes

  1. performance1
  2. bug1

What merchants praise

A good choice for editing or adding extra content on your cart page, customer service patiently helped me solve the problem, recommend it!
EagleView · 5 · 2024-01-30

Plans

Extendons Cart Customizer App pricing tiers.

Basic

$0.99/month

  • Display Cart Model
  • Customize Button Text
  • Color Variant
  • Display Size Variant & Others

Most Popular

$3.99/month

  • All features of Basic Plan
  • Cart note C2B
  • Special instructions note B2C
  • Social survey options
  • Analytics

Capabilities

What Extendons Cart Customizer can do.

The 2 capabilities Extendons Cart Customizer lists across its category, in Shopify’s own taxonomy. Pulled directly from the App Store listing.

Cart display

2
  • Custom styles
  • Custom rules

FAQ

Extendons Cart Customizer — frequently asked questions.

What is Extendons Cart Customizer on Shopify?
Extendons Cart Customizer, officially listed on the Shopify App Store as Extendons Cart Customizer App, is a Shopify app in the Cart customization category. The Cart Customizer app allows customers to modify product variants such as color and size on the cart page. Edit cart page through a soft popup ensures swift order completion, reducing order returns and cart abandonments. You can add a message for your customers, ask questions, or allow customers to provide instructions or ask questions. Monitor their responses in the analytics provided by the app. Editing options can be personalized and customized for a good appearance. It averages 4.20 out of 5 across 5 merchant reviews on the Shopify App Store.
How much does Extendons Cart Customizer cost?
Extendons Cart Customizer has 2 paid plans on the Shopify App Store, starting at $0/month and going up to $3.99/month.
When was Extendons Cart Customizer launched?
Extendons Cart Customizer launched on July 17, 2023 — over 2 years on the Shopify App Store. In that time it has gathered 5 merchant reviews.
Is Extendons Cart Customizer Built for Shopify?
Extendons Cart Customizer does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.
What are the best Extendons Cart Customizer alternatives?
Merchants commonly compare Extendons Cart Customizer with Upsell.com, Essential Upsell & Cross Sell, EG Auto Add to Cart Free Gift, and Kaching CartDrawer Cart Upsell. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.

Methodology

Where the numbers come from.

Ratings, review counts, pricing tiers, “Built for Shopify”, launch date, and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The review-count trajectory is the diff between today’s snapshot and snapshots from 7 and 28 days ago. Topic counts and sentiment come from the review corpus, topic-tagged with Claude. Install footprint is observed via Ongoing.AI’s tech-detection pass against actively-tracked Shopify storefronts. Catalog position is computed at snapshot time against every active app sharing the primary category. Snapshot generated .

Find every brand running Extendons Cart Customizer App.

Ongoing.AI tracks every Shopify brand’s app stack daily. Pull the full install list, filter by vertical or geography, and catch the moment merchants install — or churn off.

Prefer the source? View Extendons Cart Customizer App on the Shopify App Store ↗