Choose your version:

Free

adding an image to a word with limitation*1

auto-translation with limitation*2*3

learning statistics with limitation

import words from Excel files

automatic pronunciation (voice synthesis module) and changing voices (from available)

5 different games

repeating words (based on spaced repetition system)

dictionary mode

backup data into a file

dark theme

*1 - 3 images/day from Internet (unlimited from your own gallery)
*2 - available not for all language directions
*3 - 3 words/day

Premium

everything from Free version

adding image to a word without limitation

add and learn up to 15 languages

unlimited access to supported translation APIs (available not for all languages)

categories up to the 5th nesting level

your progress with extended statistic

synchronization between devices

no ads

create reminders without limitation

spaced repetition parameters changing

auto-backup data into a file
(needs to be enabled manually once)