Case Studies

Deep dives into how app builders grow and monetize their business.

Bryl, creator of Tarsi
·7 min read

How to Top the Paid App Charts With No Ads and No Subscription

Bryl built Tarsi, a budget tracking app, in a single weekend for a university talk. It hit #1 on the paid charts, made $20K in its first month, and he did it all without paid ads. Here's the playbook.

Finance
Aleksei Rozhnov, backend engineer and co-founder of Evelize
·5 min read

I Built a $17K/Month App While Working Full-Time as a Backend Engineer

Aleksei Rozhnov builds Evelize, a teleprompter app doing $17K/month, while working full-time as a backend engineer at a trading firm in London. The real story of balancing a 9-to-5 with a growing app business.

Photo & VideoProductivityVideo Players & Editors
Arthur's mobile app portfolio
·8 min read

How I Built a 5 App Portfolio as a Student (to $10K/Month)

5 mobile apps, $10K MRR at peak, built with ASO, Apple Search Ads, and TikTok Ads. What worked, what flopped, and the real numbers behind each app.

AppSprint ASO keyword research tool
·7 min read

How I Built an ASO Tool That Hit $5K MRR in Its First Month

I built AppSprint ASO, a Mac ASO tool for solo app developers, after getting frustrated with existing tools. From 0 to $5K MRR in month one.

Arthur Spalanzani and the AppSprint Community
·3 min read

How I Built a Paid Community for Mobile App Builders ($7K/Month)

I built the AppSprint Community, a paid Discord for mobile app builders. From zero members to $7K MRR. Pricing strategy, what worked, what didn't.

SaaS payment providers comparison
·9 min read

How to Handle Payments for a SaaS (Stripe vs Whop vs Paddle vs Lemon Squeezy)

A full comparison of Stripe, Whop, Paddle, and Lemon Squeezy for SaaS payments. Fees, VAT handling, payouts, affiliates, and which one I actually use to process $12K+/month.