Comparison

Fastdic vs LDOCE (InApp)

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

Head to head
About

Fastdic

This app offers comprehensive English/Persian translation and dictionary services, supporting over 250,000 words with online and offline access. It also includes AI-powered writing assistance, voice and image translation, and pronunciation guides.

Highlights
  • English/Persian Dictionary & Translator (Online & Offline)
  • AI Grammar Improvement & Paraphrasing
  • Voice and Image Translation
  • Audio Pronunciations (American & British)
  • Synonyms, Antonyms, and Word Families
  • Number to Word Conversion
  • Word of the Day
Features
Read full description

We proudly provide service to more than 7 million active users each month. Features: - AI - Improve grammar, paraphrase, expand or summarize text and change tone/style of writing. - AI Translator - Persian, English, German, Italian, Spanish, French, Arabic and Turkey - English to Persian/Farsi and vice-versa Dictionary & Translator (Online & offline) - More than 250,000 words - More than 100,000 example sentences - Sync your favorite and history words - The ability to convert numbers to words. (Enter any number or decimal number to see both English and Persian numbers in letters) - Synonyms and antonyms - English to English Dictionary - Online and offline English audio pronunciations with both American & British accents (For words and sentences) - Part of speech (POS) - British & American English phonetics - Search different forms of nouns and verbs (Simple past tense, Past participles, Irregular verbs, Third person singular, Present participle, Plural) - History of searched words - Word Family - Formal/informal labels - Categorized words - List of categogized words for easy access - Favorites list - Create custom folders with your favorite words - Word sharing - Easily share a new word or definition you have just learned with your friends - Word of the day - Learn a new word, every day (Try the widget on your home and lock screen) - Voice translator - Find an entry when you do not know how a word is spelt - Image translator - Translate English contents by taking a photo - Share Extension - The users with a subscription can translate any words or sentences in any application such as Safari and Chrome by using Share button and selecting Fastdic - Light and Dark mode - No internet connection is required to use the dictionary (The translator requires internet) - Fast and simple And more incredible features To remove ads or gain access to additional features, visit the app's more section. **The subscriptions do not auto-renew; they work as a one-time purchase.**

About

LDOCE (InApp)

This comprehensive English learner's dictionary offers over 230,000 words and meanings, with integrated thesaurus and collocations. It provides clear definitions, real-world examples, and pronunciation files to enhance fluency and vocabulary.

Highlights
  • 230,000+ words, phrases, and meanings
  • Integrated Thesaurus and Collocations Dictionary
  • 165,000+ real-world example sentences
  • Pronunciation files in UK & US accents
  • Clear definitions using a 2,000-word vocabulary
  • Academic Word List and Register Notes
  • Wildcard and spelling suggestion searches
Features
Read full description

This app is not free! An InApp purchase is required to activate the dictionary. ________________________________ Longman's flagship learner’s dictionary, fully updated and now with integrated Thesaurus and Collocations Dictionary ________________________________ Longman Dictionary of Contemporary English - For Advanced Learners © Longman's flagship learner’s dictionary is now available as an iPhone/iPod touch application. Improve your fluency in English with the most up-to-date learner's dictionary at your fingertips. Now with integrated Thesaurus and Collocations Dictionary. Dictionary details: ● 230,000 words, phrases, and meanings - more than any other learner's dictionary ● 165,000 examples based on real, natural English from the Longman Corpus Network show how English is really used ● 10,000 encyclopedic entries -people and places. ● 5,000 verb conjugation tables ● Clear definitions. Written using only 2,000 common words. ● Most frequent 3,000 words in spoken & written English highlighted for you ● Register Notes focus on the differences between spoken and written English. ● The Academic Word List is highlighted to help you improve your essays and presentations. ● Grammar and warning notes ensure that you avoid the most common errors. ● Integrated Collocations Dictionary. Over 80,000 collocations will improve your fluency. ● Integrated Thesaurus. Over 20,000 synonyms, antonyms, and related words will improve your vocabulary range. ● 83,000 pronunciation files —all headwords in both UK & US accents. PLUS ● another 86,000 recorded example sentences (via external links or bulk download) Making this the largest resource of English available on ANY mobile platform! ________________________________ Application Features: ● full contents of the print dictionary - PLUS additional collocations, synonyms & word histories ● complete front matter and additional resources ● unique three-way cross-referencing search ● real-time progressing look-up ● wildcard pattern searches -with * ? ● an "AI Teacher" for deeper explanations or help for ESL students in 98 languages ● spelling suggestion dictionary included ● hyperlinking directly to meanings & appendices ● example sentence search ● search on idioms and phrasal verbs ● search on synonym and "sign-post" meanings ● an "AI Teacher" for deeper explanations or help for ESL students in 98 languages ● Bookmarks with folders and editable notations ● Bookmark syncing across devices via iCloud ● Flashcards to test yourself ● automatic history listing ● Teacher's resources in PDF for printing or email ● Evernote posts with the full layout for definitions ● full layout in emails, Facebook and printing ● -plus Twitter & Sina Weibo ● "Word-of-the-Day" sets including TOEIC® & TOEFL® ● iPad Pro SplitView and Drag & Drop ● "Today" & LockScreen widgets ● "Share" extension​ to search inside other apps ● "LDOCE Broadcast" - search to a second device or iPad SplitView ● Open to search with Siri ● search from other applications via a public API ● OS-independent app localization ● iPad Pro multi-screen and Drag & Drop ● Dyslexic mode and VoiceOver support ● DarkMode & 3D Touch support ● Supports iOS 12 through to iOS 26 ● iPhone, iPod, iPad and macOS support ● complete offline use ________________________________ The ultimate learner's resource of the English language for use anywhere and anytime. Copyright: Longman Dictionary of Contemporary English © Pearson Education Limited 2009, 2011, 2015

Screenshots

Fastdic4 screens
LDOCE (InApp)4 screens

Verdict

The call

Fastdic and LDOCE (InApp) both sit at 4.5 stars, but that hides the real split: 71% of Fastdic's written reviews are positive against 40% of LDOCE (InApp)'s. Fastdic also leads on ratings volume (11K vs 1.2K). On price, rating, update cadence and ads 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. Fastdic sells 7 one-off in-app purchases and LDOCE (InApp) sells 5 in-app purchases, starting at $2.99 per month. 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 — 4.5 for Fastdic against 4.4 for LDOCE (InApp). That said, the two scores are not equally well evidenced: Fastdic has 11K ratings behind it against 1.2K, so its average is the more settled of the two. Written reviews are what separate them: 71% of Fastdic's written reviews are positive against 40% of LDOCE (InApp)'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 8 level
Fastdic versus LDOCE (InApp): the parameters behind the verdict, then further details
ParameterFastdicLDOCE (InApp)
PriceFreeFree
Rating4.5 (11K ratings) — better4.4 (1.2K ratings)
Positive reviews70.6% of reviews — better40.5% of reviews
Number of ratings11K — better1.2K
Update frequencyEvery 5 weeksEvery 5 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.012.0 — better
Further details — not scored
Size443 MB1.3 GB
Age rating12+12+
DeveloperFast Dictionary LimitedEnglish Channel, Inc.

Customer experience

Fastdic

All ratings10,900 ratings
Positive89.1%
Neutral4.7%
Negative6.2%
Written reviews357 reviews
Positive70.6%
Neutral3.6%
Negative25.8%

LDOCE (InApp)

All ratings1,225 ratings
Positive85.6%
Neutral2.7%
Negative11.8%
Written reviews763 reviews
Positive40.5%
Neutral5.9%
Negative53.6%

User reviews

Fastdic

From 11K App Store ratings

What we love

  • 🚀 Fast and efficient
  • 💡 Useful features like translation, pronunciation, and saved words
  • 👍 Comprehensive dictionary with extensive vocabulary
  • 🌟 Overall great app

Room to improve

  • 🔍 Lack of English interface makes it difficult for non-Farsi speakers
  • 🔍 Incomplete dictionary with missing words and phrases
  • 🔍 Inaccurate translations for some words
  • 🔍 Excessive ads that disrupt user experience
  • 🐛 Bugs and crashes, especially after recent updates

LDOCE (InApp)

From 1.2K App Store ratings

What we love

  • 👍 Excellent dictionary with clear definitions
  • 🔊 High-quality audio pronunciations
  • 🗂️ Comprehensive database of words and phrases
  • 🔍 Intuitive search functionality
  • 🎓 Helpful for learning and improving English

Room to improve

  • 🐛 Bugs and crashes after updates
  • 🔐 Difficulty restoring purchases on new devices
  • 💰 Expensive in-app purchases required
  • 🕰️ Slow content downloads
  • 🤔 Confusing upgrade process for existing users

Bugs and requests

Fastdic

Reported bugs

4 issues
  • App crashes or freezes frequently
  • Ads continue playing in the background even after being closed
  • Saved words and search history not syncing across devices
  • Pronunciation feature not working correctly for some words

Requested features

5 requests
  • Add more words and phrases, especially idioms and slang
  • Improve translation accuracy
  • Provide an English interface option
  • Reduce ads or offer a paid ad-free version
  • Fix bugs and improve stability

LDOCE (InApp)

Reported bugs

5 issues
  • App crashes after iOS updates
  • Restore purchase feature not working
  • Blank screens when searching for words
  • Offline content not downloading properly
  • Compatibility issues with newer devices

Requested features

5 requests
  • Integrate with other dictionary apps
  • Add more example sentences and usage notes
  • Implement dark mode and customization options
  • Improve iCloud sync for bookmarks and history
  • Provide better customer support and communication

In-app purchases

7 purchases

Fastdic

One-time7
  • Fastdic Remove Ads$2.99
  • Professional sub - 1 month use$2.99
  • AI subscription - 1 month use$9.99
Show 4 more
  • Professional sub - 6 months$14.99
  • 1 year subscription$24.99
  • AI subscription - 6 months use$49.99
  • AI subscription - 1 year use$89.99
5 purchases

LDOCE (InApp)

Subscriptions1
  • LDOCE Dictionary$2.991 Month
One-time4
  • Full-text Search activationFree
  • Example Sounds download activation$0.99
  • Longman Activator Thesaurus$7.99
Show 1 more
  • LDOCE5 activation$24.99

Questions

Is Fastdic free?
Fastdic is free to download, with in-app purchases available.
Is LDOCE (InApp) free?
LDOCE (InApp) is free to download, with in-app purchases available.
Which has better reviews, Fastdic or LDOCE (InApp)?
Fastdic is rated higher. Fastdic averages 4.5 out of 5 from 11K ratings, while LDOCE (InApp) averages 4.4 from 1.2K ratings.
Do Fastdic or LDOCE (InApp) have ads?
Both Fastdic and LDOCE (InApp) show ads.
Which is updated more often, Fastdic or LDOCE (InApp)?
Fastdic ships an update every 5 weeks, and LDOCE (InApp) every 5 weeks. Most recently, Fastdic was updated on September 29, 2026 and LDOCE (InApp) on September 28, 2026.

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