| Limit | Free | Pro |
|---|---|---|
| Cards | 1,000 | 100,000 |
| Review units | 5,000 | 250,000 |
| Decks | 50 | 1,000 |
| Images and audio | 1 GiB | 5 GiB |
| Cards created by assistants, per month | 300 | 10,000 |
| Concept card exercises, per month | None | 2,000 |
Every deck holds at most 10,000 cards on any plan.
Upgrade, switch between monthly and yearly billing, or cancel under Settings → Billing. If you leave Pro, nothing is deleted: concept cards pause until you return.