Comparison

Offline Translator 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

Offline Translator

Translate voice, text, and photos between Spanish and English without an internet connection. This app offers a powerful offline dictionary and translation technology that rivals major online services, saving you data costs while traveling.

Highlights
  • Offline Spanish-English translation
  • Voice translation and speech output
  • Photo translation with OCR
  • Offline Spanish-English dictionary
  • Saves data roaming charges
Features
Read full description

Offline translator and dictionary -- the ultimate foreign language tool when you are abroad! Translates without Internet/3g/wi-fi between Spanish and English. Save on data roaming charges when you travel! Our unique translation technology often delivers translations that excel both Google Translate and Microsoft Translator while using much less storage space. It also allows more language pairs than other paid apps having offline translation such as iTranslate. For other languages see our app 7-in-1 Offline Picture Translator with Voice; TRANSLATE TEXT - translates from and to Spanish and English; - fully functional translation without any internet connection; TRANSLATE WITH VOICE / SPEECH - voice output for both Spanish and English; - allows reading individual words by tapping the desired word in the translation; TRANSLATE PHOTO/PICTURE AND OCR - take a picture of printed text and translate it in seconds offline! - available for both English and Spanish; - use this feature to easily convert photos of printed text into editable text in offline mode; DICTIONARY - dictionary between Spanish and English; - recognizes any word form and identifies its features (number, person, gender, etc.) - displays all the translations for a given word; - displayed for single words and collocations; - allows reading individual words by tapping the desired word in the translation; You can test the translation without buying the app at http://offlinetranslator.com If you encounter problems with the app, please contact our customer support!

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

Offline Translator4 screens
UDictionary Translator4 screens

Verdict

The call

The clearest difference is in-app purchases: Offline Translator at none against UDictionary Translator's 10. Offline Translator also leads on ads (none vs shown) and review sentiment (74% vs 59%). On price, update cadence, device support and iOS requirement 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. UDictionary Translator sells 9 in-app purchases, starting at $2.49 per 7 days. Offline Translator asks for nothing beyond the download.

UpkeepUpdate frequency

Offline Translator ships an update every 3 weeks, UDictionary Translator fortnightly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Offline Translator versus UDictionary Translator: the parameters behind the verdict, then further details
ParameterOffline TranslatorUDictionary Translator
PriceFreeFree
Rating—4.6 (9.3K ratings) — better
Positive reviews73.8% of reviews — better58.8% of reviews
Number of ratings—9.3K — better
Update frequencyEvery 3 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size63 MB557 MB
Age rating4++12
DeveloperSkyCode Ltd.Youdao (Hong Kong) Limited

Customer experience

Offline Translator

Written reviews202 reviews
Positive73.8%
Neutral5.9%
Negative20.3%

UDictionary Translator

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

User reviews

Offline Translator

From App Store reviews

What we love

  • 👍 Easy to use
  • 🚀 Fast translations
  • 🌐 Offline functionality
  • 📸 Photo translation
  • 🗣️ Voice output

Room to improve

  • 🐛 Glitchy and freezes
  • ❌ Poor translation quality
  • 😠 Annoying ads
  • 💸 Expensive paid version
  • 🗣️ Unnatural voice

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

Offline Translator

Reported bugs

10 issues
  • App freezes frequently
  • Keyboard disappears after each letter
  • Translations are often incorrect or nonsensical
  • Photo translation not working well
  • App crashes
Show 5 more
  • Paid version not working as expected
  • Pop-up ads disrupt usage
  • Speech output is too fast
  • App not working on iPad
  • Unable to download app

Requested features

8 requests
  • Add more languages
  • Improve voice quality/options
  • Allow saving translation history
  • Option to slow down spoken translation
  • Better handling of different Spanish dialects (e.g., Latin American vs. Spain)
Show 3 more
  • Improve OCR accuracy for photo translation
  • Remove persistent prompts to buy the full version
  • Improve UI/UX

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

None

Offline Translator

No in-app purchases

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 Offline Translator free?
Offline Translator is free to download, with no in-app purchases.
Is UDictionary Translator free?
UDictionary Translator is free to download, with in-app purchases available.
Do Offline Translator or UDictionary Translator have ads?
UDictionary Translator shows ads; Offline Translator does not.
Which is updated more often, Offline Translator or UDictionary Translator?
Offline Translator ships an update every 3 weeks, and UDictionary Translator fortnightly. Most recently, Offline Translator was updated on November 1, 2026 and UDictionary Translator on November 6, 2026.

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