Early Access Reserve early access for Waitly and lock in launch pricing permanently (Save 50%). Claim Spot →

100% Free Browser Tool

K-Factor & Viral Loop Calculator

Determine whether your pre-launch waitlist or referral campaign has achieved exponential virality.

Invites Sent per User (i) 4 invites

Invite Acceptance Rate (c %) 30%

Viral Coefficient (K-Factor)

K = 1.20

Growth Trajectory

🚀 Exponential Virality Achieved!