The Showdown

DuolingovsLibreLingo

Why pay monthly fees for Duolingo when you can self-host LibreLingo for free? Let's look at the facts.

Duolingo

The Expensive Option

  • Closed Source (Black box)
  • Expensive monthly fees per user
  • Data stored on their servers
WINNER

LibreLingo

The Freedom Choice

  • 100% Open Source Code
  • Free forever (Self-hosted)
  • You own your data completely
Interactive Calculator

Calculate Your "SaaS Tax"

SaaS pricing is designed to scale with your success. See how much wealth transfers from your bank account to Duolingo's shareholders.

10 people
150100200+
$

*Estimated standard pricing for Duolingo. Adjust if needed.

Estimated Annual Waste
$1,440
Monthly Burn Rate$120
5-Year Projection$7,200
Cost with Self-Hosted$0
Start Saving Today

Calculations based on 10 users at $12/mo.

Detailed Breakdown

0
Aggressive ad-supported model
No ads or streaks
1
Closed internal development
YAML-based open contribution
2
Extensive data harvesting
No user tracking