this AI study app makes $100,000 a month Retain Cards is testing 3 viral formats, keeping the app demo and CTA the same in all of them the winner (so far) combines visual challenge with a common study dilemma it got 1.4M views the 2 other formats they're testing:

Retain's viral TikTok strategy:

@keccers this looks relevant to your interests

@SarahLevinger did I dream or did you post a hook similar to this?

if that format's driving 1.4M views, it’s gonna set the benchmark for others

changing only the hook and keeping the demo + cta fixed is how you get a clean read. most format tests change three things at once and end up learning nothing