Bulgarian Dictionary is a bidirectional dictionary. You can search both Bulgarian & English words only by changing keyboard. This dictionary has a big database for English and Bulgarian words. Along with the dictionary there are vocabulary builder games.

Best dictionary for students, teachers, travelers and for all people who want to learn English/Bulgarian.

Core Features:
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→ 51,794 English words & Bulgarian explanations (Upgradable to 72,130 English words)
→ 59,058 Bulgarian words & English explanations (Upgradable to 88,589 Bulgarian words)
→ Translator for long sentence
→ Online & Offline Pronunciation for English text
→ Wiktionary
→ Customized font change
→ Universal & Retina Display
→ Fast Searching
→ Bookmark List
→ Offline dictionary (internet is not required)

Translator Features
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→ Long sentence translation
→ Translation Copy Service
→ Translation Bookmark
→ Translated Email Service
→ Translated SMS Service
→ Translated Status in Facebook
→ Translated Status in Twitter
→ Translated Status in Linkedin

Vocabulary Features
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→ Word of the day with Notification
→ Flash card
→ Multiple Choice
→ Guess Word
→ Random Words
→ In game sounds
→ Achievements and Leaderboard for vocabulary scores

This is an all in one dictionary, so buy one time and use on your every devices.

Pro version named "Bulgarian Dictionary"
http://itunes.apple.com/us/app/bulgarian-dictionary/id402657583?mt=8