Turns self-improvement into a game of XP grinding and leaderboard climbing, aimed squarely at Gen Z's “quit brain rot” pain point — cold-started from zero to $14K/mo on pure influencer promos (manually DMing 5,000-10,000 creators).
Fewer bars = easier, cheaper, or faster for an AI-assisted solo builder. Editorial judgments based on the case details.
[Video] Locked is a gamified focus/habit-tracking app. Founder Evan Yadagari (15 and in ninth grade at the time of the interview) is the younger brother of Cal AI founder Zack Yadagari (Cal AI has since been sold to MyFitnessPal). Evan previously built Roblox games, made content for Totally Science, and built a homework-helper app called “Problem Pal” (reached $2,000/mo). Locked is the one that actually took off — $14K/mo.
4 more sections — the full story, the playbook, the risks, and the numbers. Free account unlocks everything.
Create free accountEmail code only. No password.The quick-reference card — acquisition channels, replication playbook, and risk map — unlocks with a free account.
Create free accountEmail code only. No password.Paste into Claude Code / Codex and get a working version of this product end-to-end.
Two production-grade prompts per idea: a full build spec and an SEO growth plan. Copy, paste, ship.
Go Pro — $10/moCancel anytime.Every claim traces back to a source video.
Source video links unlock with a free account. Full transcripts are Pro.
Create free accountEmail code only. No password.Data credibility: Founder Evan Yadagari self-reported on the Superwall podcast and showed promo case studies (a single creator video with 1M+ views driving ~$3,000). All revenue figures are founder-reported or estimated by the video creator — unaudited.