In-app review prompts case studies

$1M/month and 90%+ margins on zero ad spend — How Lithuanian designer Erikas’s Shopify app suite Kaching went 10× from $100k to $1M MRR in a year

Kaching Appz is a suite of Shopify apps co-founded by Lithuanian UI/UX designer Erikas Mališauskas. Its bundling and upsell tools raise merchants’ average order value. With zero ad spend, on App Store organic alone, it reached ~$1M/month (90%+ margins), is installed by 100K+ merchants, and has driven over $1.7B in additional merchant revenue.