Make apps either highly sharable through assets or high retention through utility
Pick one: highly sharable (users share outputs/assets that contain CTAs back to app) or super high retention (utility that brings users back daily, like blocking their apps). Don't try both. Shareability drives top-of-funnel, retention drives LTV. Each requires different product architecture.
When to use
When designing consumer app growth mechanics during MVP phase
Don't do this
Building social features that require invites before delivering value, creating cold-start problem
2 Founders Who Did This
Magic Music: shared songs with 'Create your own' CTA went viral. Pray Screen: 60% day-30 retention by blocking apps users needed
Designed all three apps to produce shareable visual outputs: AI-generated dating replies, attractiveness scores, calorie breakdowns. Users naturally shared these on social media