About Dunno: English Dictionary
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...
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 eup.mobi@gmail.com - thank you!
Version History • Fixed spelling in word form labels (plural, comparative) • Fixed the app closing unexpectedly when tapping a topic tag • General stability improvements 2.3.3 Sep 8 Version 2.3.2 • Fixed lowercase word lookup: searching "be" or "nice" now opens the regular entry (the verb/adjective) instead of the capitalized one such as "NICE" (an abbreviation). Thanks for reporting this! • New default look: a brighter yellow theme. • Home header text and camera/mic icons recolored for readability on yellow. • "Related words" now shows as wrapping chips instead of one long line. • Removed the pointless "1." on sections that only have a single entry (Origin, Usage…). 2.3.2 Aug 15 A whole new Dunno. We rebuilt the look and feel of the app from the ground up — everything is cleaner, faster, and easier on the eyes. - Fresh, consistent design that looks great in both light and dark mode - Search, notebooks, and mock tests are simpler and more intuitive - Smoother scrolling and quicker lookups - Improved stability, plus dozens of small fixes Open the app and see the difference. 2.2.9 Jul 28 Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023
Previous Versions
Here you can find the changelog of Dunno: English Dictionary since it was posted on our website on 2023-03-04 05:16:05.
The latest version is 2.3.3 and it was updated on 2026-10-16 13:48:59. See below the changes in each version.
Dunno: English Dictionary version 2.3.3
Updated At: 2026-10-13
Changes: Version History • Fixed spelling in word form labels (plural, comparative)
• Fixed the app closing unexpectedly when tapping a topic tag
• General stability improvements 2.3.3 Sep 8 Version 2.3.2
• Fixed lowercase word lookup: searching "be" or "nice" now opens the regular
entry (the verb/adjective) instead of the capitalized one such as "NICE"
(an abbreviation). Thanks for reporting this!
• New default look: a brighter yellow theme.
• Home header text and camera/mic icons recolored for readability on yellow.
• "Related words" now shows as wrapping chips instead of one long line.
• Removed the pointless "1." on sections that only have a single entry
(Origin, Usage…). 2.3.2 Aug 15 A whole new Dunno.
We rebuilt the look and feel of the app from the ground up
— everything is cleaner, faster, and easier on the eyes.
- Fresh, consistent design that looks great in both light and dark mode
- Search, notebooks, and mock tests are simpler and more intuitive
- Smoother scrolling and quicker lookups
- Improved stability, plus dozens of small fixes
Open the app and see the difference. 2.2.9 Jul 28 Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023
Dunno: English Dictionary version 2.3.3
Updated At: 2026-09-11
Changes: Version History • Fixed spelling in word form labels (plural, comparative)
• Fixed the app closing unexpectedly when tapping a topic tag
• General stability improvements 2.3.3 2d ago Version 2.3.2
• Fixed lowercase word lookup: searching "be" or "nice" now opens the regular
entry (the verb/adjective) instead of the capitalized one such as "NICE"
(an abbreviation). Thanks for reporting this!
• New default look: a brighter yellow theme.
• Home header text and camera/mic icons recolored for readability on yellow.
• "Related words" now shows as wrapping chips instead of one long line.
• Removed the pointless "1." on sections that only have a single entry
(Origin, Usage…). 2.3.2 Aug 15 A whole new Dunno.
We rebuilt the look and feel of the app from the ground up
— everything is cleaner, faster, and easier on the eyes.
- Fresh, consistent design that looks great in both light and dark mode
- Search, notebooks, and mock tests are simpler and more intuitive
- Smoother scrolling and quicker lookups
- Improved stability, plus dozens of small fixes
Open the app and see the difference. 2.2.9 Jul 28 Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023
Dunno: English Dictionary version 2.3.2
Updated At: 2026-09-04
Changes: Version History Version 2.3.2
• Fixed lowercase word lookup: searching "be" or "nice" now opens the regular
entry (the verb/adjective) instead of the capitalized one such as "NICE"
(an abbreviation). Thanks for reporting this!
• New default look: a brighter yellow theme.
• Home header text and camera/mic icons recolored for readability on yellow.
• "Related words" now shows as wrapping chips instead of one long line.
• Removed the pointless "1." on sections that only have a single entry
(Origin, Usage…). 2.3.2 Aug 15 A whole new Dunno.
We rebuilt the look and feel of the app from the ground up
— everything is cleaner, faster, and easier on the eyes.
- Fresh, consistent design that looks great in both light and dark mode
- Search, notebooks, and mock tests are simpler and more intuitive
- Smoother scrolling and quicker lookups
- Improved stability, plus dozens of small fixes
Open the app and see the difference. 2.2.9 Jul 28 Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023 - Updated audio player. 2.0.6 07/06/2023
Dunno: English Dictionary version 2.3.2
Updated At: 2026-08-22
Changes: Version History Version 2.3.2
• Fixed lowercase word lookup: searching "be" or "nice" now opens the regular
entry (the verb/adjective) instead of the capitalized one such as "NICE"
(an abbreviation). Thanks for reporting this!
• New default look: a brighter yellow theme.
• Home header text and camera/mic icons recolored for readability on yellow.
• "Related words" now shows as wrapping chips instead of one long line.
• Removed the pointless "1." on sections that only have a single entry
(Origin, Usage…). 2.3.2 6d ago A whole new Dunno.
We rebuilt the look and feel of the app from the ground up
— everything is cleaner, faster, and easier on the eyes.
- Fresh, consistent design that looks great in both light and dark mode
- Search, notebooks, and mock tests are simpler and more intuitive
- Smoother scrolling and quicker lookups
- Improved stability, plus dozens of small fixes
Open the app and see the difference. 2.2.9 Jul 28 Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023 - Updated audio player. 2.0.6 07/06/2023
Dunno: English Dictionary version 2.2.8
Updated At: 2026-07-27
Changes: Version History Fixed audio playback issue 2.2.8 09/15/2025 - Fixed some minor bugs. 2.2.7 09/08/2025 - Fixed audio bugs. 2.2.6 02/05/2024 - Fixed some minor bugs. 2.2.5 02/05/2024 - Fixed some minor bugs. 2.2.4 01/22/2024 - Fixed some minor bugs. 2.2.3 01/12/2024 - Improved notification logic. 2.2.2 01/10/2024 - Fixed some minor bugs.- Fixed some minor bugs. 2.2.1 12/20/2023 - Removed login with facebook. 2.2.0 12/11/2023 - Fixed some minor bugs. 2.1.9 12/08/2023 - Fixed some minor bugs. 2.1.8 12/06/2023 - Fixed some minor bugs. 2.1.7 11/14/2023 - Fixed some minor bugs 2.1.6 10/26/2023 - Fixed some minor bugs. 2.1.5 10/09/2023 - Updated flashcard method. 2.1.4 08/29/2023 - Added level words. 2.1.3 08/25/2023 - Fixed bugs on iPad. 2.1.2 08/23/2023 - Updated flashcard. 2.1.1 08/17/2023 - Fixed some minor bugs. 2.1.0 08/08/2023 - Fixed some minor bugs 2.0.9 08/02/2023 - Fixed some minor bugs. 2.0.8 07/25/2023 - Fixed some minor bugs. 2.0.7 07/21/2023 - Updated audio player. 2.0.6 07/06/2023 - Fixed some minor bugs. 2.0.5 06/13/2023 - Fixed some minor bugs. 2.0.4 05/28/2023
Dunno: English Dictionary version 2.2.8
Updated At: 2025-09-15
Changes: Sep 15, 2025
Version 2.2.8
Fixed audio playback issue
Dunno: English Dictionary version 2.2.8
Updated At: 2025-09-15
Changes: Fixed audio playback issue
Dunno: English Dictionary version 2.2.6
Updated At: 2024-02-05
Changes: Feb 5, 2024
Version 2.2.6
- Fixed audio bugs.
Dunno: English Dictionary version 2.2.4
Updated At: 2024-01-22
Changes: Jan 22, 2024
Version 2.2.4
- Fixed some minor bugs.
Dunno: English Dictionary version 2.2.3
Updated At: 2024-01-12
Changes: Jan 12, 2024
Version 2.2.3
- Fixed some minor bugs.
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