Chapter 04 · Retention
/
Insight 02
/
12 of 24
Synced · Q4 2025
The takeaway
Subscribers don't churn —
they fade.
30-day active rate
47.8%
▼ 3.6 pts QoQ
Engagement decay · new cohorts
Cohort A · paid
Cohort B · trial
100%
75
50
25
0
PEAK · M02
87.4% active
FADE · M11
12.6% still active
M01
M02
M03
M04
M05
M06
M07
M08
M09
M10
M11
M12
% of cohort active in month
n = 8,142 new signups
This is the
Dark Aero
design system, applied by
Curio Design
— a design-style library for AI agents. Full Dark Aero guide →
designbycurio.com/learn/dark-aero-2008