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Shopify bundle and upsell apps monetize merchant demand through the app marketplace.
Kaching Bundles around $400K MRR · about 90% profitable
Marketplace search can replace an ad budget when a small app solves a merchant problem and support earns the reviews that improve discovery.
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Erikas Malisauskas and a cofounder built a portfolio of Shopify apps after he discovered the app marketplace while working as a web designer for $2 an hour. The first product, Kaching Bundles, helps merchants increase average order value through discounts and bundles. The founders later added post-purchase upsell, pop-up upsell, and cart-drawer upsell apps. In the interview, Erikas says the portfolio had five apps, $4.5 million in annual recurring revenue, and about 90% profitability. He says Kaching Bundles alone was around $400,000 in monthly recurring revenue. The apps launched starting in August 2022, and the founders claimed their products had contributed more than $400 million in additional merchant revenue; that is their own attribution, not an independently measured result. Their distribution relies on the Shopify app ecosystem rather than paid advertising. Reviews and customer support help app listings rank for relevant searches. The case is a portfolio-scale reference: platform demand, tight product focus, and fast support can combine into meaningful recurring revenue.
For a Shopify app like Kaching Bundles, the first users should come from merchants already searching inside the Shopify App Store for a specific conversion problem.
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Data credibility: Erikas reports $4.5 million annual recurring revenue across five apps, roughly $400,000 MRR for Kaching Bundles, and about 90% profitability. These figures were not independently audited. The claimed $400 million in additional merchant revenue is founder attribution, not the company’s own revenue.
The first dollar for a Shopify app should arrive when a merchant can see a working improvement in a live store. Kaching’s early monetization followed initial reviews and visibility for relevant app-store keywords.
Kaching’s reported growth loop links marketplace discovery, merchant outcomes, support, and reviews. A merchant searching for bundles installs the app; if setup is easy and the offer increases order value, the merchant keeps it and may leave a positive review.
A Shopify app founder may face a long period when installs arrive slowly and merchants do not leave enough feedback to explain why. Stay close to a narrow user group instead of adding features based on guesses.
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