Dunno: English Dictionary
Translate, Pronounce, Offline
| Revenue % | ||||
|---|---|---|---|---|
| 3 months | 175 | $1.42 – $9.22 | ||
| One-time purchase | 175 | $12.82 – $20.88 | ||
| One-time purchase | 175 | $10.78 – $19.11 | ||
| One-time purchase | 175 | $9.35 – $15.92 | ||
| Annual | 175 | $2.67 – $16.87 | ||
| Annual | 175 | $2.25 – $14.64 | ||
| Annual | 175 | $1.88 – $12.09 | ||
| 3 months | 174 | $1.67 – $10.81 | ||
| 3 months | 172 | $1.98 – $12.73 | ||
| 3 months | 161 | $2.82 – $18.47 |
| Revenue % | Top products | |
|---|---|---|
| Vietnam | ||
| United States | ||
| Taiwan | ||
| Japan | ||
| South Korea | ||
| Australia | ||
| China | ||
| Canada | ||
| Singapore | ||
| Germany |
Description
Look up any English word, translate text or photos, and hear how it's actually pronounced — online or offline.
Dunno is more than a dictionary. It's a complete English learning assistant: 350,000 words, grammar organized by CEFR level, camera and voice translation, pronunciation scoring, and your own vocabulary notebook with flashcards and quizzes.
LOOK UP ANYTHING, ANYWHERE
Full offline dictionary — words, grammar, prepositions, sentence patterns, images
Autocomplete predicts the word as you type
Search by voice, or point your camera at a word and get the meaning instantly
Every entry includes definitions, examples, word forms, synonyms, antonyms and related words
Audio pronunciation in both British and American English
TRANSLATE 89 LANGUAGES
Two-way translation for text, photos and full sentences — Spanish, French, Chinese, Japanese, Korean, Vietnamese and 80+ more.
PERFECT YOUR PRONUNCIATION
Record yourself, compare it with a native speaker, and get instant feedback on exactly what to fix.
CHECK YOUR GRAMMAR
Paste any sentence to catch spelling and grammar mistakes, with a clear explanation of every correction.
GRAMMAR BY LEVEL
127 grammar topics organized from A1 to C2, so you always know what to learn next.
YOUR VOCABULARY NOTEBOOK
Save any word with one tap
Review with flashcards and quizzes so words actually stick
Ready-made lists: 3,000 TOEIC words, plus IELTS, TOEFL and SAT sets
Word lists by field of study and difficulty level
Track how many words, sentences and grammar points you've mastered
Keep studying on your lock screen in spare moments
PRACTICE FOR THE TEST
Full TOEIC mock tests with answer keys and detailed explanations for every question.
ASK THE COMMUNITY
Stuck on a sentence? Post it and get answers from other learners.
BY THE NUMBERS
350,000 English words
418,000 examples and illustrations
127 grammar lessons, A1 to C2
89 translation languages
Also available on the web at http://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 [email protected] — thank you!
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