section 03 · retention analysis
the first 30 days decide everything
cohort retention rate · % of users active
100%
75%
50%
25%
0%
82%
64%
47%
34%
28%
22%
19%
day 7
day 14
day 30
day 60
day 90
day 180
day 365
30-day mark
This is the
Müller-Brockmann Swiss
design system, applied by
Curio Design
— a design-style library for AI agents. Full Müller-Brockmann Swiss guide →
designbycurio.com/learn/muller-brockmann-swiss-1959