control
"Start a free trial"
n: 4,200
conv: 318
rate: 7.57%
Cohort-Based Offer A/B with Confidence Intervals
Different cohorts respond to different headlines. Offerbrain surfaces the winner per segment, not just the global winner.
trial-cta-2026-q2
Running 18 days
Global variants
B
"Get your first 30 days free"
n: 4,180
conv: 401
rate: 9.59%
C
"Try Offerbrain free for 30 days, cancel anytime"
n: 4,220
conv: 478
rate: 11.33%
Winner per cohort
smb
Variant C wins -- +58% vs control
conf 97%enterprise
Variant B wins -- +22% vs control
conf 84%indie
Variant C wins -- +41% vs control
conf 92%