Learn Spanish Vocabulary:Decky

Build a stronger vocabulary through daily practice and spaced repetition.

Decky creates a personalized vocabulary deck each day based on your level and learning progress. Complete your daily vocabulary practice to unlock the distracting apps you choose, helping you build a consistent learning habit.

HOW DAILY PRACTICE WORKS

Decky creates a daily vocabulary deck consisting of words due for review, overdue words, and new words selected for your level. New words are chosen based on your current CEFR level.

SPACED REPETITION

Decky uses a spaced repetition system based on the FSRS algorithm. Your answers determine when each word appears again. Words you know well are reviewed less frequently, while difficult words return sooner.

APP LOCK

Choose distracting apps that you would like Decky to temporarily restrict.

At the beginning of each day, your selected apps can remain restricted until you complete your daily vocabulary practice. Once your daily queue is complete, the restriction is automatically removed for the rest of the day.

App Lock is completely optional and can be disabled at any time.

Decky does not know which apps you select. iOS provides Decky with an opaque token representing your selection, keeping this information on your device.

FIND YOUR LEVEL

A short placement test determines your starting vocabulary level using the CEFR scale. As your vocabulary mastery improves, additional levels become available.

LEARN WORDS IN CONTEXT

Each word includes an AI-generated example sentence to help you understand how it is used in context.

Speaking practice uses your device's speech recognition to help you practice saying words aloud. Text-to-speech lets you hear their pronunciation, with additional voice and accent options available with Premium.

DAILY REMINDERS

Optional daily reminders can include a vocabulary word and help you maintain a consistent learning routine.

NO ACCOUNT REQUIRED

No registration, email address, or password is required. Your progress is saved automatically to an anonymous profile.

FREE AND PREMIUM

Free: • Up to 15 new words per day • Up to 60 reviews per day • One background • Default device voice

Premium: • Up to 50 new words per day • Up to 300 reviews per day • All available voices and accents • All backgrounds

Premium subscriptions are available monthly or yearly and automatically renew unless cancelled.

A three-day free trial is available with the yearly subscription for eligible new subscribers. Subscription terms and pricing are displayed by the App Store before purchase confirmation.

Pricing: Monthly: $7.99 Yearly: $39.99

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