mrrlens
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Shopify appwhat they say

VSI

VSI: Variants Shared Inventory

Variant Inventory Tracker simplifies Shopify stock management. Group shared variants like shirts and cups, centralize inventory, and auto-update stock on sale.

★★★☆☆2.9 (15)
$4.99/moBASIC$5.99/moSTANDARD$6.99/moADVANCED$9.99/moPLUS
what mrrlens sees
MRR · Estimated$79–524
Opportunity—
Buyer threads · 30 d0
“It still allowed people to purchase beyond what the allowed inventory that I set.”
#1 complaint · Bugs/Reliability · 50% of complaints read · analysed Oct 30, 2026 · source

01Revenue

$79–524

A month · the formula and every input are below

How this range is computed

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

  • reviews: 15
  • entry price: $5
  • 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.

Store data from the Shopify App Store listing, refreshed daily. Updated 1 d ago. Listed since 2024.

02Why users leave VSI

5★47%
4★7%
3★7%
2★20%
1★20%
Bugs/Reliability3 reviews · 50%

Oversold inventory, negative stock, unsynced after two days, and slowed add-to-cart to over two minutes.

“It still allowed people to purchase beyond what the allowed inventory that I set.” source ↗
3 more complaints, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 6 recent complaints (1–3★ reviews) · clustered Oct 30, 2026 · complaints from May 2025–Apr 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better VSI

Build difficultyMediumShopify API integration, inventory sync correctness, and app-store approval; no payments, hardware, or regulation.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better VSI

0 buyer threads in the last 30 days name VSI.

05Questions about VSI

How much revenue does VSI make?

MRRLens estimates VSI at $79–524 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 VSI?

Across 6 recent complaints, the most common is bugs/reliability (50%). Oversold inventory, negative stock, unsynced after two days, and slowed add-to-cart to over two minutes.

See the full x-ray of VSI

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