Building a Free-Forever AI Tool: What I Learned from 48,000 Signups

This is the post I would have wanted to read before I hit publish on a free-forever AI product. The numbers are honest - including the ones that do not flatter the business model. If you are considering a free-tier-first playbook, read this first, not the Twitter threads. The setup I run zsky.ai. It is an AI image and video generation platform. The pitch is simple: every person should be able to make a beautiful image without a credit card or a subscription.