Best Collins Dictionary Apps

188+ iOS apps curated and reviewed

4.5 avg rating
14 free apps
Updated May 2026

The best collins dictionary apps on iPhone average 4.5★ across 188+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Collins Dictionary

Merriam-Webster Dictionary#2

Merriam-Webster Dictionary by Merriam-Webster, Inc.

Strong Contender
🔍 Reference
4.8😊(320K ratings)
FreeAdsIn-App Purchases
#36in Reference
Merriam-Webster Dictionary screenshot 1
Merriam-Webster Dictionary screenshot 2
Merriam-Webster Dictionary screenshot 3
Merriam-Webster Dictionary screenshot 4

Access a premier iOS app for English language reference, education, and vocabulary building, with new word games and quizzes for learning. Features universal access, offline capabilities, voice search, daily word learning, thesaurus, example sentences, and pronunciations by real speakers. Enjoy features like favorite word syncing and Apple Watch integration. Subscribe to remove ads and access extra resources. Manage your subscription easily. Terms of Use: [Link to Terms of Use].

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive definitions
  • 👍 Helpful thesaurus
  • 🚀 Offline access

Room to Improve

  • 🐛 Ads can be intrusive
  • 🐛 Difficulty closing ads
  • 🐛 Repetitive game questions
Oxford Dictionary & Thesaurus#3

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Worth Considering
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#80in Reference
Oxford Dictionary & Thesaurus screenshot 1
Oxford Dictionary & Thesaurus screenshot 2
Oxford Dictionary & Thesaurus screenshot 3
Oxford Dictionary & Thesaurus screenshot 4
Oxford Dictionary & Thesaurus screenshot 5
Oxford Dictionary & Thesaurus screenshot 6

Access one of the highest authorities in language reference with the power of 15 major Oxford dictionaries at your fingertips. Explore advanced search and learning tools for a comprehensive linguistic experience.

What We Love

  • 👍 Reliable and simple to use
  • 👍 Comprehensive and best for all English, especially rare and aged language
  • 👍 Very useful for learning new words
  • 👍 Excellent reference app

Room to Improve

  • 🐛 Glitchy, way too many ads
  • 🔒 Annoying popup ads makes it unusable
  • 🔒 Ads stuck in, despite payment

More Collins Dictionary apps to explore

4
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary.com: English Words
Dictionary, Thesaurus, Vocab
Free

Access the ultimate English language learning app packed with quizzes, games, and over 2 million definitions and synonyms. Enhance your vocabulary with word puzzles and daily challenges, enjoy dark mode, offline access, voice search, and more. Improve your English skills effortlessly!

🔍 Reference
(328K)
5
Collins Dictionary+Thesaurus
Collins Dictionary+Thesaurus
Collins Dictionary+Thesaurus
Large English dictionary
$6.99

This comprehensive English dictionary and thesaurus app provides access to over 722,000 words, meanings, and phrases, as well as 410,000 synonyms and antonyms, all offline and without requiring an internet connection. With advanced search features, pronunciation audio, and extensive coverage of scientific and technical vocabulary, it's an essential tool for anyone looking to explore and understand the English language.

🔍 Reference
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6
Bookmark for Collins
Bookmark for Collins
Bookmark for Collins
Extended viewer for Collins
Free
📚 Education
(0)
7
RJ Sky Connect
RJ Sky Connect
RJ Sky Connect
by Bluebox Avionics Ltd
Free

Enjoy a wide selection of films, TV, music, and children's programs on Royal Jordanian flights A319 and A320 by downloading the Sky Connect application on your smart device. To access the content, simply install the app, enable Wi-Fi on your device, and connect to the Sky Connect network during your flight.

🎬 Entertainment
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8
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary Offline - Dict Box
Dictionary for All Languages
Free

Discover a comprehensive offline dictionary app for all languages with Dict Box. Access definitions, translations, and synonyms on-the-go. Download now for quick and easy language reference.

🔍 Reference
(11K)
9
Collins English Dictionary
Collins English Dictionary
Collins English Dictionary
by HarperCollins Publishers Ltd
$1.99

This comprehensive English dictionary app provides access to over 722,000 words, meanings, and phrases, with features such as pronunciation audio, usage notes, and etymologies, all available offline. Download the app to explore a vast collection of words, place names, biographies, and fascinating facts, and take advantage of advanced search features to enhance your language skills.

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10
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Discover a comprehensive Dictionary and Thesaurus app with a Word of the Day feature, offline access, and resources from top sources. Access millions of definitions, synonyms, translations, and more for a versatile language tool.

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11
DJ Rehab Music
DJ Rehab Music
DJ Rehab Music
DJ Mashups,DJ Mixes,DJ remixes
$4.99

Probably Chris Music is a unique mashup creation by DJ Rehab, blending different genres. Experience the genre-bending artistry of this Charleston-based musician.

🎵 Music
(0)
12
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Discover a revolutionary dictionary app offering fast and reliable translations in multiple languages, including French, Spanish, and German. Access over one billion translations, editorial dictionaries, offline mode, example sentences, and pronunciation guides for seamless language learning. Try it now for quick and accurate translations on the go.

🔍 Reference
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13
WordReference Dictionary
WordReference Dictionary
WordReference Dictionary
by WordReference.com, LLC
Free

Access the powerful dictionary and translation tools of the most popular website with this app. Instantly look up translations in multiple languages, access forums with millions of Q&A, and utilize conjugators and synonyms. Don't misspell "WordReference" when searching!

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14
Central Cars
Central Cars
Central Cars
by Central Cars
Free

This mobile application allows users to quickly and easily book and track various types of vehicles, including taxis and private hire cars, with features such as real-time tracking, notifications, and payment options. Download the app to book your ride, store favourite pick-up points, and provide feedback to help improve the service.

✈️ Travel
(0)
15
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Merriam-Webster Dictionary+
Premium Ad-free Dictionary
$9.99

Access a premium ad-free dictionary app for iPhone, iPad, and Apple Watch with offline capabilities, new word games, and features like integrated thesaurus, vocabulary-building quizzes, voice search, and word of the day. Perfect for English language reference and vocabulary building. Find out more by checking the Application License Agreement and App Privacy Policy.

🔍 Reference
(22K)
16
Collins German-English
Collins German-English
Collins German-English
Bilingual dictionary and verbs
$17.99

Access a comprehensive German-English bilingual dictionary with over 110,000 translations, verb conjugations, usage notes, and offline functionality. Conjugate thousands of verbs, translate numerals instantly, and enjoy a versatile language tool on your iPad, iPhone, or iPod touch. Explore more language options and user reviews to enhance your learning experience.

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17
Dictionaries
Dictionaries
Dictionaries
by MONOKAKIDO Co. Ltd.
Free

"Dictionaries" is a powerful electronic dictionary viewer app that integrates various dictionaries in one place, offering features like batch search, trace and jump functionality, collection management, bookmarks, search history, iCloud synchronization, and multitasking capabilities. Explore a wide selection of dictionaries in the app's store, with new releases planned for the future. Start your journey of knowledge exploration today!

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18
Collins Spanish-English
Collins Spanish-English
Collins Spanish-English
Bilingual dictionary and verbs
$17.99

A comprehensive bilingual dictionary and verb conjugation tool with over 100,000 translations, thousands of verb conjugations, and useful language notes. No internet connection required. Perfect for language students and professionals. Explore now for a reliable Spanish-English reference on the go!

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19
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
Advanced Dictionary&Thesaurus
English dictionary with Audio
Free

An innovative language tool designed to enhance vocabulary skills through interactive word meanings, synonyms, antonyms, and example sentences. Expand your linguistic knowledge effortlessly!

🔍 Reference
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20
Deep Dictionary
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Deep Dictionary
Wikipedia, Images, Thesaurus
Free

The Deep Dictionary app is a comprehensive language tool that combines the features of Wikipedia, Urban Dictionary, and a thesaurus, providing users with detailed definitions, pronunciation guides, and real-life usage examples in multiple languages. It offers a seamless and ad-free experience for learning and mastering the English language, making it a valuable resource for students, professionals, and language enthusiasts alike.

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