Diamond Co.
Diamond Co. / Business
Business

Indie Dev’s Monetization Math Spreadsheet

A ready-to-use financial modeling tool for solo game developers who want to estimate revenue, platform fees, and break-even points without building a spreadsheet from scratch.

Who this is for

  • Solo indie developers planning their first release who need quick revenue scenarios
  • Devs who regularly model Steam, itch.io, Apple App Store, and Google Play fee structures
  • Creators exploring pay-what-you-want vs fixed-price pricing strategies and wanting concrete numbers

What’s inside

  • Revenue & platform-fee calculator (Steam 30%, itch.io, Apple, Google Play adjustable percentages)
  • Side-by-side pay-what-you-want and fixed-price projection models
  • Pre-order revenue timeline with adjustable launch windows
  • Tax‑variable adjusters that update with current major store policies
  • Monthly formula updates delivered to your inbox based on store policy changes and community requests

Pricing

$29 fixed price, or pay-what-you-want (minimum $1 suggested). Complete checkout via Gumroad — a simple, direct link is sent after email sign-up. No

Tips & notes

Break-even users for a SaaS product

Formula: Fixed monthly costs ÷ (Subscription price − Variable cost per user)

  1. List your fixed monthly expenses (hosting, third‑party services, etc.)
  2. Subtract variable costs per user (payment‑processing fees, etc.)

More from Diamond Co.