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Shopify appwhat they say

Extendons Cart Customizer App

★★★★☆4.2 (5)
$0.99/moBasic$3.99/moMost Popular
Website ↗ Shopify App Store ↗
what mrrlens sees
MRR · Estimated$5–35
Opportunity—
Buyer threads · 30 d0
“Horrible functioning app”
#1 complaint · Bugs/Reliability · 1 of 1 complaints read · analysed Nov 3, 2026 · source

01Revenue

$5–35

A month · the formula and every input are below

How this range is computed

reviews × installs-per-review × paying share × entry price

  • reviews: 5
  • entry price: $1
  • 7–20 active installs per published review (measured: median 12 on the 20 most-installed apps)
  • 15%–35% of installs on a paid plan

A range from public signals and the listed price, not a claim about the company’s books. Methodology.

2 daily snapshots · growth 30 d: —

Store data from the Shopify App Store listing, refreshed daily. Updated 21 h ago. Listed since 2023.

02Why users leave Extendons Cart Customizer App

Bugs/Reliability1 review · 1 of 1

Only complaint says app is 'horrible functioning'; indicates severe reliability or broken functionality, with no specific feature or failure details.

“Horrible functioning app” source ↗

Sample: 1 recent complaint (1–3★ reviews) · clustered Nov 3, 2026 · complaints from Mar 2024–Mar 2024, none in the last 24 months — history, not today · each review labelled by a model, quotes verbatim

03How to build a better Extendons Cart Customizer App

Build difficultyMediumShopify app APIs and platform approval; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better Extendons Cart Customizer App

0 buyer threads in the last 30 days name Extendons Cart Customizer App.

05Questions about Extendons Cart Customizer App

How much revenue does Extendons Cart Customizer App make?

MRRLens estimates Extendons Cart Customizer App at $5–35 a month (low confidence). The range comes from public signals (reviews × installs-per-review × paying share × entry price), not from the company's books; the formula and its inputs are shown on this page.

What do users complain about most in Extendons Cart Customizer App?

Across 1 recent complaints, the most common is bugs/reliability (1 of 1). Only complaint says app is 'horrible functioning'; indicates severe reliability or broken functionality, with no specific feature or failure details.

What are the best Extendons Cart Customizer App alternatives?

The closest alternatives MRRLens found are HS Slide Cart Drawer Upsell, Kaching CartDrawer Cart Upsell and Essent Cart Drawer Cart Upsell. The full list, with why users leave, is on the Extendons Cart Customizer App alternatives page.

See the full x-ray of Extendons Cart Customizer App

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.