Growth Loops

Growth Loop Frameworks

Overview

Growth loops are closed systems where user actions create inputs for acquiring more users, forming self-reinforcing cycles. Unlike linear funnels (ad spend → users), loops compound: users → content → SEO → more users → more content. Reforge's framework: Viral loops, Content loops, Paid loops, Sales loops.

When to Use

• Designing sustainable growth vs. paid acquisition treadmill
• Building network-effect products
• Content/marketplace businesses
• Optimizing user-generated growth

Core Loop Types

Viral Loop: User invites → new user signs up → invites others Example: Dropbox referrals (both sides get storage), Hotmail signature

Content Loop: User creates content → SEO/discovery → new users → create content Example: Pinterest pins, YouTube videos, Medium articles

Paid Loop: Revenue → ads → users → revenue (must have positive LTV:CAC) Example: E-commerce: Purchase → Facebook ads → purchase

Sales Loop: Customer success → upsells/references → new customers → success Example: B2B: Happy customer → referrals/case studies → enterprise deals

Design Process

1. Map User Journey: Identify where users create value (content, invites, purchases)
2. Close the Loop: Connect output back to acquisition input
3. Optimize Cycle Time: Faster loops compound faster
4. Remove Friction: Maximize % of users completing loop actions

Example: Yelp loop: Diner → writes review → review ranks in search → new diner finds restaurant → writes review (cycle time: 1 week)

Example Application

Before (Linear): Spend $10K on ads → 1,000 users → done After (Loop): 1,000 users → 100 write reviews → reviews rank for 500 keywords → 5,000 organic users → 500 reviews → 25,000 users (compounding)

Anti-Patterns

• ❌ Confusing growth hacks (one-time tricks) with sustainable loops
• ❌ Ignoring loop leakage (% of users not completing loop action)
• ❌ Optimizing one part without measuring full loop health
• ❌ Treating all growth as equal (loops >>> linear funnels)

Related

• network-effects
• viral-coefficients
• growth-accounting
• compound-effects