Best Seconded Apps

190+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

Out of 190+ seconded apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Seconded

Oxford Dictionary & Thesaurus#2

Oxford Dictionary & Thesaurus by MobiSystems, Inc.

Thesaurus & Offline Vocabulary
Strong Contender
🔍 Reference
4.6😐(28K ratings)
FreeAdsIn-App Purchases
#94in 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
FreeSaurus - The Free Thesaurus!#3

FreeSaurus - The Free Thesaurus! by Weeswares Pte Ltd

Worth Considering
🔍 Reference
3.4😐(120 ratings)
Free
FreeSaurus - The Free Thesaurus! screenshot 1
FreeSaurus - The Free Thesaurus! screenshot 2
FreeSaurus - The Free Thesaurus! screenshot 3
FreeSaurus - The Free Thesaurus! screenshot 4

Find synonyms and related words easily with a simple and focused thesaurus application. Get quick word meanings and expand your vocabulary effortlessly.

What We Love

  • ⭐ Great free app
  • 📝 Helpful for writing and finding synonyms
  • 🔍 Simple and easy to use interface

Room to Improve

  • ⚠️ Needs to be updated for iOS 11 compatibility
  • 🐛 Crashes and freezes on some devices
  • 🔌 Requires internet connection to function

More Seconded 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
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

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].

🔍 Reference
(3.2K)
6
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
(4.3K)
7
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!

🔍 Reference
(5)
8
WordPal - Vocabulary Builder
WordPal - Vocabulary Builder
WordPal - Vocabulary Builder
Learn new words: expand vocab
Free

Improve your English vocabulary rapidly with an intuitive app that uses spaced repetition and engaging exercises to help you learn new words efficiently. Access definitions, examples, and track your progress easily for free, with the option to upgrade for more features like games and additional word sets.

📚 Education
(37)
9
Bangla Dictionary ++
Bangla Dictionary ++
Bangla Dictionary ++
English & Bengali Translator
Free

A powerful tool for translating English to Bengali, this app provides quick and accurate word meanings, synonyms, and pronunciation guides. Perfect for anyone looking to bridge the language gap seamlessly.

📚 Education
(6.6K)
10
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

A comprehensive English dictionary app offering word origins and vocabulary building tools. Features include instant search with spelling suggestions, offline dictionary access, related words, and premium ad-free and offline functionality. Explore word roots and enhance your vocabulary effortlessly.

📚 Education
(11K)
11
WordUp - Vocabulary Builder
WordUp - Vocabulary Builder
WordUp - Vocabulary Builder
Learn New English Words Via AI
Free

Learn English effortlessly with an AI-powered vocabulary builder. Enhance your language skills with daily word recommendations, knowledge mapping, multilingual translations, and entertaining examples. Perfect for beginners, exam preparation, or native speakers - try it out now!

📚 Education
(653)
12
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.

🔍 Reference
(14K)
13
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
ديكشنري و مترجم فارسي انگلیسي
Free

A comprehensive offline Persian-English Dictionary app featuring over 400,000 words, audio pronunciation, vocabulary games, idioms, and daily English listening lessons. Ideal for studying, working, or traveling, offering advanced search functions and the ability to create personalized vocabulary lists. Discover a wealth of linguistic resources at your fingertips!

🔍 Reference
(10K)
14
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
(11K)
15
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
Vietnamese Dictionary PEnglish
English Vietnamese Dictionary
Free

Access a comprehensive and innovative English-Vietnamese dictionary app with offline accessibility and advanced search features for free on the Appstore. Perfect for quick translations on-the-go!

📚 Education
(18K)
16
Dictionary & Translator
Dictionary & Translator
Dictionary & Translator
Learn and Translate Languages
Free

A versatile application offering an extensive database of words, meanings, and synonyms. Users can easily look up definitions, translations, and related terms with a user-friendly interface. Try it out for quick and accurate word references!

📚 Education
(12K)
17
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
English Kurdish Translation
Free

A highly efficient English to Kurdish dictionary app with a vast vocabulary. Ideal for users seeking quick translations without any hassle. Download now for instant access to comprehensive language support.

🔍 Reference
(14K)
18
Spanish Dictionary +
Spanish Dictionary +
Spanish Dictionary +
Translator to learn English
Free

This application is a bilingual English to Spanish and Spanish to English dictionary with over 350K words and phrases for offline use. It includes features like offline pronunciation, image text translation, games to improve vocabulary, and learning tools such as word of the day and quotes for motivation. Perfect for students, teachers, tourists, and language learners.

📚 Books
(1.9K)
19
Arabic Dictionary +
Arabic Dictionary +
Arabic Dictionary +
Translator to learn English
Free

An English to Arabic and Arabic to English dictionary and translator app with over 350K words and phrases available offline. Features include offline pronunciation, image text scanning, games for vocabulary improvement, word of the day, and more. Ideal for students, teachers, tourists, and language learners. Enhance your language skills now!

📚 Books
(5K)
20
Dict Plus: ترجمة عربي - مترجم
Dict Plus: ترجمة عربي - مترجم
Dict Plus: ترجمة عربي - مترجم
ترجم أي نص أو صوت أو صورة
Free

An Arabic to English and English to Arabic dictionary and translator app with over 500,000 words and expressions. Features include text pronunciation, widget for faster translation, related phrases, touch words for meanings, and the ability to change English accents. Access to pro features like voice and camera translation through a subscription.

🔍 Reference
(1.8K)