"UltraAcademia" is the only dictionary app in the world allowing fulltext search from all the 3 Bangla Academy dictionaries with one click simultaneously. Be it English or Bangla word, the app can auto-detect the language and you can search by the same search box. The app has a powerful Search-Tags feature presenting a very detailed list of pre-built search terms. It also allows you to use multi-text search facility with AND/OR operator making your search operation as flexible as you want. You can also specify word letters number to narrow down your search result as per requirement. One more magical feature of this app is "Search Dictionary within Dictionary" which means you can tap and hold on any word on the go and get it searched out via popup window. This app also has some powerful add-ons :
★"English Word Pattern Explorer" : Helps explore the basic structure of English words.

★"Synonym and Antonym Dic" : Will provide the most extensive list of alternate words of a given input.

★"Dictionary of Technical Terms" : The app provides a mini dictionary of technical terms like "ad hoc", "a fortiory", "co-opt" etc. with definition & example.

★"Dictionary of Big Words" : The app provide a mini dictionary of 840+ English big words like antepenultimate, comprehensible, excommunicate etc. with proper definition & example.

★"Easy English Grammar Book" : A simple and easy-to-understand 100-page grammar book explaining different grammatical items with examples.