Comparison

Translate Professional vs UDictionary Translator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Translate Professional

Break down language barriers with instant text, photo, and voice translation across 63 languages. Access offline phrasebooks and enhance your learning with optional synthetic voices for authentic pronunciation.

Highlights
  • Instant text translation (63 languages)
  • Photo text translation
  • Voice translation
  • Offline phrasebook
  • Synthetic voice downloads (in-app purchase)
Features
Read full description

Discover the ultimate translation tool for all your needs with Translate Professional. Whether you're traveling abroad, studying a new language, or simply communicating with people from different parts of the world, this app has everything you need to overcome language barriers. With the ability to translate text between 63 languages in an instant, this app is incredibly fast and efficient. Plus, the option to take a photo of any text and have it instantly translated makes understanding foreign signs, menus, or any written text a breeze. You can even record your voice using the microphone and have it translated, making it easy to communicate with native speakers. Translate Professional also provides you with many professionally translated phrases and words in different categories, giving you offline access to the most important expressions you need for everyday life. Whether it's for work, school, or leisure, this app has you covered. In addition, synthetic voices are available as in-app purchases, so you can listen to any phrase or word in 21 different languages by downloading a voice. This feature makes your translations even more authentic, allowing you to immerse yourself in the language and culture you're learning. No matter where you are, you can use Translate Professional with peace of mind, knowing that the phrase book is available offline and doesn't require an internet connection. Download Translate Professional today and experience the convenience and ease of having a professional translation tool right at your fingertips! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

UDictionary Translator

Translate text, voice, and images across 108 languages. This app offers a comprehensive dictionary with native examples and pronunciation guides. Premium features include camera translation, a translate keyboard, and offline mode for seamless communication.

Highlights
  • Text translation in 108 languages
  • Voice translation with 47 accents
  • Authoritative built-in dictionaries
  • Camera translation via photo
  • Translate Keyboard for in-app use
  • Offline translation mode
Features
Read full description

** 100,000,000 users across 150 countries. ** U-Dictionary is an efficient translation and dictionary app. Effortlessly translate texts, pictures, or conversations in 108 languages. Get translation instantly whether you're learning a new language or traveling abroad. Help remove your language barriers anytime anywhere. U-Dictionary takes in originally developed dictionaries, Collins COBUILD Advanced Dictionary, WordNet Dictionary, Bilingual Examples, Native Examples, Synonyms, Antonyms, Etymology Dictionary and so on. FEATURES: • Text Translation: Get translation of any pair within 108 languages. • Voice Translation: Translate bilingual conversations in 33 languages, 47 accents. • Authoritative Dictionary: Built-in Concise Dictionary, Collins Advanced Dictionary and WordNet Dictionary. • Perfect English Pronunciation: Native UK (British) and US (American) accent. Listen and Learn. • Native Examples: Authentic sentences collected from famous international news websites. • English Learning: Rich English learning materials • 13 Display Languages: Read in your native language. • Impressive UI: Clear and beautiful interface. Enjoy your journey. Get UDictionary Premium and enjoy: • Camera Translation: Snap to translate without typing by hand. 100 languages are available. • Translate Keyboard: Write and translate instantly within your favorite apps. Chat without borders. • Object Translation: Scan an object and recognize it smartly. Get to know anything around you immediately. • Grammar Check: Enter or paste English text and check it with one click. Enjoy mistake-free writing! • Offline Mode: Free from network limits. Travel abroad without having to pay expensive roaming charges. Desktop/Mobile Web: http://www.u-dictionary.com Articles from Blog: http://udictionaryblog.wordpress.com Contact Us: Connect with us on any of the following Social Media: https://facebook.com/UDictionary/ http://www.youtube.com/c/UDictionary https://plus.google.com/ UDictionary https://twitter.com/Udictionaryforu/ https://instagram.com/udictionaryforu Have queries? Email us at udictionary.help@gmail.com Supported languages for translation: Afrikaans, Albanian, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bosnian, Bulgarian, Catalan, Cebuano, Chichewa, Chinese Simplified, Chinese Traditional, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Filipino, Finnish, French, Galician, Georgian, German, Greek, Gujarati, Haitian Creole, Hausa, Hebrew, Hindi, Hmong, Hungarian, Icelandic, Igbo, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Khmer, Korean, Lao, Latin, Latvian, Lithuanian, Macedonian, Malagasy, Malay, Malayalam, Maltese, Maori, Marathi, Mongolian, Myanmar (Burmese), Nepali, Norwegian, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Sesotho, Sinhala, Slovak, Slovenian, Somali, Spanish, Sundanese, Swahili, Swedish, Tajik, Tamil, Telugu, Thai, Turkish, Ukrainian, Urdu, Uzbek, Vietnamese, Welsh, Yiddish, Yoruba, Zulu. ----- Auto-Renewable Subscription Terms: * You can cancel the subscription anytime by turning off auto-renewal through your iTunes account settings. This must be done 24 hours before the end of the subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, and you will be downgraded to the free service. * Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Privacy Policy: http://inter.youdao.com/cloudfront/vip-pay/privacy.html Terms of Services: http://inter.youdao.com/cloudfront/vip-pay/terms.html

Screenshots

Translate Professional4 screens
UDictionary Translator4 screens

Verdict

The call

Translate Professional and UDictionary Translator both sit at 4.7 stars, but that hides the real split: 81% of Translate Professional's written reviews are positive against 59% of UDictionary Translator's. UDictionary Translator's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Translate Professional sells 10 one-off in-app purchases and UDictionary Translator sells 9 in-app purchases, starting at $2.49 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Translate Professional against 4.6 for UDictionary Translator. Both are backed by a comparable volume of ratings — 3.4K and 9.3K respectively. Written reviews are what separate them: 81% of Translate Professional's written reviews are positive against 59% of UDictionary Translator's.

UpkeepUpdate frequency

Translate Professional ships an update every 2 weeks, UDictionary Translator fortnightly. Both last shipped on October 28, 2026.

Scorecard2 real differences · 8 level
Translate Professional versus UDictionary Translator: the parameters behind the verdict, then further details
ParameterTranslate ProfessionalUDictionary Translator
PriceFreeFree
Rating4.7 (3.4K ratings) — better4.6 (9.3K ratings)
Positive reviews81.4% of reviews — better58.8% of reviews
Number of ratings3.4K9.3K — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size37 MB557 MB
Age rating4++12
DeveloperTraduko ABYoudao (Hong Kong) Limited

Customer experience

Translate Professional

All ratings3,373 ratings
Positive92.0%
Neutral3.5%
Negative4.4%
Written reviews1,241 reviews
Positive81.4%
Neutral6.5%
Negative12.1%

UDictionary Translator

All ratings9,261 ratings
Positive90.6%
Neutral3.9%
Negative5.5%
Written reviews956 reviews
Positive58.8%
Neutral8.4%
Negative32.8%

User reviews

Translate Professional

From 3.4K App Store ratings

What we love

  • ⭐ Excellent translation quality
  • 🔊 Helpful voice pronunciations
  • 📚 Wide range of supported languages
  • 🔍 Accurate word-level translations
  • 🤝 Facilitates communication with non-English speakers

Room to improve

  • 💰 Paid features/voices required
  • 📵 Requires internet connection
  • 📤 Limited text input length
  • 🔍 Struggles with complex sentences/idioms
  • 💢 Intrusive ads and upsells

UDictionary Translator

From 9.3K App Store ratings

What we love

  • ⭐ Excellent translation accuracy
  • 🌐 Supports multiple languages
  • 📚 Comprehensive dictionary with examples
  • 🤖 Helpful text-to-speech feature
  • 🔍 Useful scanning and translation capabilities

Room to improve

  • 💰 Excessive paywall and in-app purchases
  • 🐛 Occasional translation failures or errors
  • 🔌 Requires internet connection for full functionality
  • 🕰️ Slow performance and lag at times
  • 📱 Limited features in free version

Bugs and requests

Translate Professional

Reported bugs

3 issues
  • Voice downloads not working as expected
  • Crashes or freezes on some devices
  • Inconsistent translation quality across languages

Requested features

5 requests
  • Offline translation mode
  • Expanded text input length
  • Phonetic/romanized translations
  • More language-specific customization
  • Improved translation accuracy for complex phrases

UDictionary Translator

Reported bugs

4 issues
  • Translation unavailable due to 'no internet connection' error when online
  • Scanning feature not working consistently
  • Keyboard translation not functioning properly
  • App crashes or freezes unexpectedly

Requested features

5 requests
  • Offline mode for all translation features
  • Customizable text-to-speech voice options
  • Ability to save favorite words or translations
  • More language support, especially for less common languages
  • Improved grammar and sentence structure analysis

In-app purchases

10 purchases

Translate Professional

One-time10
  • Pro Upgrade$0.99
  • Antonio$2.99
  • Heather$2.99
Show 7 more
  • Laura$2.99
  • Maria$2.99
  • Rosa$2.99
  • Ryan$2.99
  • Tracy$2.99
  • Sakura$2.99
  • Lulu$2.99
9 purchases

UDictionary Translator

Subscriptions9
  • U Dictionary PRO3 Days trial$2.497 Days
  • U Dictionary PRO-1 week3 Days trial2 variants$4.997 Days
  • U Dictionary PRO-1 month$5.991 Month
Show 6 more
  • U Dictionary PRO$9.991 Month
  • U-Dictionary PRO Monthly1 Month trial$16.991 Month
  • U Dictionary PRO-1 month3 Days trial$16.991 Month
  • U Dictionary PRO-1 year3 Days trial$29.991 Year
  • U Dictionary PRO-1 year3 Days trial$56.991 Year
  • U Dictionary PRO-1 year3 Days trial$69.991 Year

Questions

Is Translate Professional free?
Translate Professional is free to download, with in-app purchases available.
Is UDictionary Translator free?
UDictionary Translator is free to download, with in-app purchases available.
Which has better reviews, Translate Professional or UDictionary Translator?
Translate Professional is rated higher. Translate Professional averages 4.7 out of 5 from 3.4K ratings, while UDictionary Translator averages 4.6 from 9.3K ratings.
Do Translate Professional or UDictionary Translator have ads?
Both Translate Professional and UDictionary Translator show ads.
Which is updated more often, Translate Professional or UDictionary Translator?
Translate Professional ships an update every 2 weeks, and UDictionary Translator fortnightly. Most recently, Translate Professional was updated on October 28, 2026 and UDictionary Translator on October 28, 2026.

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