Hello Word! app for iPhone and iPad

Learn Swadesh list words for Azerbaijani, Albanian, Armenian, Belarusian, Bulgarian, Bosnian, Latin, Hungarian, Vietnamese, German, Greek, Georgian, Danish, Hebrew, Hindi, Indonesian, Irish, Icelandic, Spanish, Italian, Kazakh, Swahili, Chinese, Korean, Latvian, Lithuanian, Maltese, Mongolian, Dutch, Norwegian, Punjabi, Sindhi, Urdu, Polish, Portuguese, Russian, Romanian, Samoan, Macedonian, Serbian, Slovak, Slovenian, English, Thai, Turkish, Uzbek, Ukrainian, Welsh, Finnish, Corsican, French, Croatian, Czech, Swedish, Estonian, Japanese and Arabic.

Fun and free, learn few new words daily in your own pace. App based on spaced repetition system to ensure its effectiveness. Available for 40+ languages!

Core concepts:
Swadesh list https://en.wikipedia.org/wiki/Swadesh_list
Spaced Repetition System https://en.wikipedia.org/wiki/Spaced_repetition