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Last updated on: 2026-08-09
Android Apps > Education > Dunno: English Dictionary
Dunno: English Dictionary icon

Dunno: English Dictionary

2.8.2
Mobile Learning
4.56
2,134 reviews
100,000+
Downloads
Free

Offline English dictionary, photo translator & pronunciation. Learn vocabulary

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iOS version

About Dunno: English Dictionary

Dunno: English Dictionary is an education app developed by Mobile Learning.

How many times has Dunno: English Dictionary been downloaded?

Dunno: English Dictionary has been downloaded 330 thousand times. In the last 30 days, the app was downloaded 730 times.

What is the rating of Dunno: English Dictionary?

Dunno: English Dictionary is rated 4.56 out of 5 stars, based on 2.1 thousand ratings.

Is Dunno: English Dictionary free?

Dunno: English Dictionary is free to download. The APK download size is 55.40 MB. The latest version available is 2.8.2. The last update was on August 5, 2026.

What are the requirements for Dunno: English Dictionary?

Dunno: English Dictionary requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play July 2021.

Description
Dunno is a free English dictionary and translator that works completely offline. Look up any English word, translate text or photos, hear native pronunciation, and build your own vocabulary notebook — no internet required.

★ OFFLINE ENGLISH DICTIONARY
Look up English words, grammar, prepositions and sentence patterns without a connection. Every entry in the dictionary includes definitions, examples, word forms, irregular verbs, synonyms, antonyms and related words, with illustrations. Autocomplete predicts the word from the first few letters.

★ TRANSLATE BY PHOTO, VOICE OR TEXT
Point your camera at a word to translate it instantly, speak to search hands-free, or paste a long passage. Dunno translates English into 89 languages and back: Spanish, French, Chinese, Japanese, Korean, Vietnamese and more.

★ IDIOMS AND COLLOCATIONS
Find the natural English phrase instead of a word-for-word translation — the part most dictionaries leave out.

★ BRITISH AND AMERICAN PRONUNCIATION
Every word comes with audio in both accents. Record yourself, compare with a native speaker, and get a score that shows exactly which syllable to fix.

★ ENGLISH GRAMMAR CHECKER
Paste any sentence to catch spelling and grammar mistakes, with a clear explanation of each correction. Writing English becomes faster and more accurate.

★ ENGLISH GRAMMAR BY LEVEL
172 grammar structures with examples, ordered from easy to advanced, so you always know what to learn next.

★ TOEIC PRACTICE TESTS
Full mock tests built to match the real exam, with answer keys and a detailed explanation for every question. Tests are sorted by difficulty.

★ VOCABULARY NOTEBOOK
Save any word with one tap and review it with flashcards and quizzes to remember twice as much. Built-in word lists cover 3,000 TOEIC words plus IELTS, TOEFL and SAT vocabulary, organised by subject, level and school grade. Track how many words, sentences and grammar points you have learned.

★ LEARN IN SPARE MOMENTS
A new English word every day, plus vocabulary practice right on your lock screen.

★ ASK THE COMMUNITY
Over 100,000 learners share questions and answers about English every day. Stuck on a sentence? Post it and get help.

★ WHAT'S INSIDE
- 400,000 dictionary entries with examples
- 200,000 English sentence patterns
- 172 grammar structures
- 89 translation languages

★ EXTRAS
Search suggestions, saved lookup history, adjustable text size and voice, and the option to suggest new dictionary entries.

Dunno is also available on the web at https://dunno.ai

Privacy Policy: https://dunno.ai/other/privacy-policy
Terms of Use: https://dunno.ai/other/term

WE READ EVERY MESSAGE
Send ideas, bug reports or feature requests to eup.mobi@gmail.com — thank you!

Recent changes:
- Fixed some minor bugs.
Show more Show less

More data about Dunno: English Dictionary

Price Free to download
Total downloads 330 thousand
Recent downloads 730
Rating 4.56 based on 2.1 thousand ratings
Ranking Not ranked
Version 2.8.2
APK size 55.4 MB
Number of libraries 57
Designed for Android 4.4+
Suitable for Everyone
Ads Contains ads

App Performance Report

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Common keywords of similar apps

Dunno Suggestions Notebook Detailed Toeic Check Errors Helps Lookup Levels Ielts Sat Add Community English Words Dictionary Translate Grammar Translation Learn Vocabulary Search Learning Type Examples Word Sentences

Keywords missing from this app

Offline App Spanish Pronunciation Translator Voice Language Advanced Synonyms Myanmar Find Meanings Text Phrases Ai Instant Antonyms Recent Meaning Features Usage Thesaurus Support List German Polish Application Feature Screen Test Idioms Languages Games Real Chat History

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Google Play Rating history and histogram

Rating history
Subscribe to see the full rating timeline
1.4K
470
240
0
0

Downloads over time

Downloads over time
Subscribe to see download velocity and history

Dunno: English Dictionary has been downloaded 330 thousand times. Over the past 30 days, it averaged 24 downloads per day.

Changelog of Dunno: English Dictionary

Show changelog

Developer information for Mobile Learning

Mobile Learning

eup.mobi@gmail.com

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Comments on Dunno: English Dictionary for Android

★★★★★ Mayur Luhadia · Feb 3, 2023
❤️❤️❤️ FROM 🇮🇳🇮🇳🇮🇳 Please tell us when you are adding HINDI language. Otherwise, AMAZING SUPERB FANTASTIC APP
★★★★☆ Hung 7heMagician · Nov 13, 2025
Could you make the flash card similar to Heinz Dictionary (with space repetition & the swipe gestures) please 🥺? I bought this app since I used Heinz dict, and love its vocabulary & flashcard repetition system
★★★★★ Emmanuel Adu · Aug 23, 2022
I love this dictionary very much. I got every word I searched for even some English words I couldn't get from several dictionaries. Besides, that the definitions are easy to understand. Everyone who wants to understand English language better must download the application.
★★★★☆ val lucero · Sep 11, 2021
It's an amazing dictionary for learners. It's also very handy more than any other dictionaries like the Oxford Dictionary. I love this app, but I'd love it more if you put more information like labeling the word belonging to the 'archaic' entry or belonging to a particular discipline. Like 'astrology', 'grammar', 'philosophy' etc.
★☆☆☆☆ Thúy Trương · Nov 4, 2021
When I first open, I saw they write "dictionary". Is it OK?
★★☆☆☆ Amir Jamali · Nov 18, 2025
Ads are really disruptive and annoying. At least get rid of offline premium purchase pop up ad.
★☆☆☆☆ Jupri Jek · Apr 5, 2023
This app not good everybody plzz now don't install 🔥😡

Google Play Rankings for Dunno: English Dictionary

This app is not ranked

Technologies used by Dunno: English Dictionary

26 permissions · 57 libraries
Subscribe to see full permission and library details
Advanced English Dictionary icon Advanced English Dictionary
Thesaurus Dictionary Pro icon Thesaurus Dictionary Pro
English-Spanish Dictionary icon English-Spanish Dictionary
German Dictionary for Learners icon German Dictionary for Learners
Advanced English Dictionary icon Advanced English Dictionary
English Dictionary icon English Dictionary
English Dictionary - Awabe icon English Dictionary - Awabe
German Dictionary Pro Offline icon German Dictionary Pro Offline

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