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Calculator
Three inputs, real numbers. See exactly what each marketplace takes off your monthly gross — and what you'd keep on Koydo's flat $19/mo subscription. The calculator runs locally; nothing is sent to a server.
Your monthly gross
$1,440
Koydo's take
$19 / mo
Flat. Forever. 0% commission.
You keep
$1,421
vs whatever the marketplace leaves you
Same gross. Different platform tax. Koydo's $19/mo is the only fixed line.
| Platform | Commission | Their cut / mo | You keep / mo | Saved with Koydo / yr |
|---|---|---|---|---|
| italki | 18% | −$259 | $1,181 | +$2,882 |
| Preply | 25% | −$360 | $1,080 | +$4,092 |
| Cambly | 59% | −$850 | $590 | +$9,967 |
| Wyzant | 25% | −$360 | $1,080 | +$4,092 |
| Koydo Lingua | 0% | $19 / mo flat | $1,421 | — |
italki 15-21% from the italki Help Center commission band; Preply 18-33% from the Preply Tutor Hub; Wyzant 25% flat from the Wyzant tutor agreement; Cambly ~59% computed from Cambly's published per-minute tutor pay against the per-minute student price. The calculator uses the midpoint of each range.
No, on purpose. Stripe's 2.9% + 30¢ applies on every platform — italki, Preply, Wyzant, Cambly, and Koydo all use Stripe or Adyen rails. Including it would double-count a cost that's identical across the comparison. The calculator isolates the platform commission, which is the actual variable.
Use the per-student price the student pays as the 'price per lesson' input. The math is identical: the marketplace commission applies to the total student spend, and Koydo's $19/mo is flat regardless of class format.