BEHIND THE BUSINESS MODEL

The playbook behind the product.

Source-linked case studies on customers, pricing, growth channels, and the decisions worth learning from. Reported facts and our analysis are labeled separately.

Case studies: 13
Businesses: 11
Source citations: 58

Counts cover the full case library. Source checks are research dates, not financial reporting periods.

1 case study matching “Free tier”

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Comparison

Six free plans and where each one draws the line

Tally, PostHog, Fider, Carrd, Buffer and Senja all give away a real product; they differ in which limit pushes a user to pay.

≈ $6,000,000ARR · USDMilestone disclosed September 2026

Company disclosure · Original disclosure

Sources checked Oct 18, 2026

Tally profile →3 min read · 11 sources

Reported revenue is not profit. Metrics, currencies and reporting periods may differ; cases combine cited facts with labeled editorial analysis. Read the source policy →

Six free plans and where each one draws the line ↗

Six free plans and where each one draws the line