Pricing
Retain pricing
As retain.cards lists them, read 20 Sept 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Free | Free download and use | Free |
| Retain Ultra | AI-powered study features | On request |
| Retain Pro | Paid in-app subscription | On request |
From apps.apple.com.