Pricing
Start free with real, generous limits. Upgrade to Pro for graded-reader stories, the adaptive practice model, custom-deck battles, and no ads.
Free
$0forever
Everything you need to start learning, supported by ads.
- Up to 20 decks and 500 cards
- Spaced-repetition & random practice
- Up to 15 battles per day
- Tournaments and friends
- Community decks & media sharing
- Contains ads
Most popular
Pro Monthly
$9.99/ month
Go ad-free and unlock the full Deck Duck experience.
- Everything in Free, with no ads
- Unlimited decks, cards & topics
- Graded-reader stories & quizzes
- Adaptive practice model
- Battle with your own decks
- Unlimited daily battles
Pro Yearly
$99.99/ year
$8.33/mo — save 17%
The best value — two months free versus paying monthly.
- Everything in Pro Monthly
- Two months free vs. monthly
- Locked-in annual price
- Cancel anytime
Prices in USD and billed through Stripe. You can change or cancel your plan anytime from your profile; Pro access continues until the end of the paid period. Taxes may apply.