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Shopify appwhat they say

Upsell Kit

Upsell Kit: BOGO, Bundle & 30+

Boost sales with strategic upsells, cross-sells, and sales-enhancing features like bundles, volume discount, buy x get y, product add-ons, cart discount & more.

★★★★☆4.1 (120)
$9.99/moProfessional
Shopify App Store ↗
what mrrlens sees
MRR · Estimated$1k–8k
Opportunity—
Buyer threads · 30 d0
“At first they said any tool you already used would be free forever but you need to pay to use more.”
#1 complaint · Pricing · 50% of complaints read · analysed Oct 30, 2026 · source

01Revenue

$1k–8k

A month · the formula and every input are below

How this range is computed

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

  • reviews: 120
  • entry price: $10
  • 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 5 h ago. Listed since 2024.

02Why users leave Upsell Kit

Pricing3 reviews · 50%

Users say free-forever promise changed to paid, free tier removed without notice, and charges occurred after uninstall within trial.

“At first they said any tool you already used would be free forever but you need to pay to use more.” source ↗
2 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 Jan 2026–Sep 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Upsell Kit

Build difficultyMediumPlatform integration, billing/refund handling, and reliable human support are the main solo-developer burdens.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Upsell Kit

0 buyer threads in the last 30 days name Upsell Kit.

05Questions about Upsell Kit

How much revenue does Upsell Kit make?

MRRLens estimates Upsell Kit at $1k–8k 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 Upsell Kit?

Across 6 recent complaints, the most common is pricing (50%). Users say free-forever promise changed to paid, free tier removed without notice, and charges occurred after uninstall within trial.

What are the best Upsell Kit alternatives?

The closest alternatives MRRLens found are FoxKit, LaunchLab Cart Upsell & Bundle and USO. The full list, with why users leave, is on the Upsell Kit alternatives page.

See the full x-ray of Upsell Kit

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