Pricing
Isadora pricing
As troikatronix.com lists them, read 8 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Isadora 7-Day Rental | US$17.50 · works with Isadora 3 and 4 · one computer at a time | $17.50, paid once |
| Isadora Yearly Subscription | US$199.00 (billed every year) · activates Isadora 3 and/or 4 on up to two computers at a time | $199 a year |
| Isadora 30-Day Rental | US$30.00 · works with Isadora 3 and 4 · one computer at a time | $30, paid once |
| Isadora 3 to Isadora 4 upgrade | US$325.00 · for existing Isadora 3 Perpetual or USB Key License holders | $325, paid once |
| Isadora 4 Perpetual | US$725.00 · two years of free updates · activates on up to two computers, runs on one at a time | $725, paid once |
| Isadora 4 USB Key | US$875.00 (US$725.00 license + US$150.00 USB key & shipping) · two years of free updates · physical USB key · does not require internet connection | $875, paid once |
From support.troikatronix.com.