Best Dslk Apps

204+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

The best dslk apps on iPhone average 4.5★ across 204+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top Dslk Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DSLKDSLKFreeNoNoMay 2026
2Dictionary.com: English WordsDictionary.com: English WordsFree4.8★ (328K)YesNoJul 2026
3Oxford Dictionary & ThesaurusOxford Dictionary & ThesaurusFree4.6★ (28K)YesYesJul 2026
4FreeSaurus - The Free Thesaurus!FreeSaurus - The Free Thesaurus!Free3.4★ (120)NoNoJul 2026
5Fastdic - Fast DictionaryFastdic - Fast DictionaryFree4.0★ (6)YesYesJul 2026
6Form Filler: fill & sign formsForm Filler: fill & sign formsFree4.6★ (32K)NoNoJul 2026
7Persian Dictionary - ديكشنريPersian Dictionary - ديكشنريFree4.7★ (10K)YesYesJul 2026
8Bangla Dictionary ++Bangla Dictionary ++Free4.6★ (6.7K)YesYesJul 2026

Top Picks for Dslk

Dictionary.com: English Words#2

Dictionary.com: English Words by Curiosity Media

Dictionary, Thesaurus, Vocab
Strong Contender
🔍 Reference
4.8😐(328K ratings)
FreeAdsIn-App Purchases
Dictionary.com: English Words screenshot 1
Dictionary.com: English Words screenshot 2
Dictionary.com: English Words screenshot 3
Dictionary.com: English Words screenshot 4
Dictionary.com: English Words screenshot 5

Access over 2 million trusted definitions and synonyms for English words. Enhance your vocabulary with daily new words, example sentences, and audio pronunciations. This app provides grammar tips and editorial content to deepen your understanding of the English language.

What We Love

  • 🚀 Robust dictionary and thesaurus
  • 🤓 Helpful resources like blogs and articles
  • 💡 Useful word games and puzzles
  • 👍 Easy to use and navigate

Room to Improve

  • 🐛 Inconsistent search results and missing definitions
  • 💸 Aggressive ads even after paid upgrades
  • 🤯 Frequent crashes and performance issues
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 a vast collection of dictionaries and thesauruses with definitions, pronunciations, and etymology. Features include offline access, advanced search options, and personalized word lists. Ideal for students, professionals, and word enthusiasts.

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 Dslk apps to explore

4
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

This is a straightforward thesaurus app that provides synonyms and antonyms for words. It focuses on simplicity and ease of use, offering related words alongside definitions. An internet connection is required for it to function.

Synonyms and antonymsRelated wordsSimple interface
🔍 Reference
(120)
free
5
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
Fastdic - Fast Dictionary
English/Persian Translator
Free

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.

English/Persian Dictionary & Translator (Online & Offline)AI Grammar Improvement & ParaphrasingVoice and Image Translation
🔍 Reference
(6)
free with in-app purchases
6
Form Filler: fill & sign forms
Form Filler: fill & sign forms
Form Filler: fill & sign forms
Create and Edit pdf documents
Free

Easily fill and sign PDF documents using a provided link or QR code. This advanced application streamlines the online form-filling process, saving you time and helping you go paperless.

Fill PDF documentsSign documentsUse provided links to open forms
📊 Productivity
(32K)
free
7
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
Persian Dictionary - ديكشنري
ديكشنري و مترجم فارسي انگلیسي
Free

This app offers a comprehensive offline Persian-English and English-Persian dictionary with audio pronunciation and vocabulary games. It includes thousands of words, phrases, and examples, with an optional online translation feature. Subscription packages are available for extended access.

Offline Persian-English dictionaryOffline English-Persian dictionaryNative audio pronunciation
🔍 Reference
(10K)
free with in-app purchases
8
Bangla Dictionary ++
Bangla Dictionary ++
Bangla Dictionary ++
English & Bengali Translator
Free

This app provides a comprehensive English and Bengali dictionary with translation capabilities. It offers offline access to over 350,000 words and phrases, including pronunciation, and features tools for vocabulary building and language learning.

Bilingual English-Bengali dictionaryOffline translation for words and phrasesOffline pronunciation
📚 Education
(6.7K)
free with in-app purchases
9
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
Kurdish Dictionary - Dict Box
English Kurdish Translation
Free

This app serves as a comprehensive English to Kurdish and Kurdish to English dictionary and translator. It offers offline functionality, pronunciation, definitions, and the ability to translate words directly within other applications. Users can also find related words, phrases, and even use image search for a richer learning experience.

Offline translation and pronunciationExtensive word and expression databaseIn-app word translation
🔍 Reference
(14K)
free with in-app purchases
10
Vocabulary Builder by Atlas
Vocabulary Builder by Atlas
Vocabulary Builder by Atlas
Daily Word of the Day Widget
Free

Enhance your English vocabulary with a personalized, science-based approach. Master new words, phrases, and idioms through curated lessons, interactive exercises, and AI-powered explanations. Track your progress and stay consistent with daily reminders and widgets.

Personalized proficiency testCurated curriculum for all levelsDaily Word of the Day with illustrations
📚 Education
(12K)
free with in-app purchases
11
WordWeb Dictionary
WordWeb Dictionary
WordWeb Dictionary
Offline ad-free dictionary
Free

This app provides a comprehensive offline English dictionary and thesaurus with fast searching, spelling suggestions, definitions, and usage examples. It offers extensive word data and advanced search filters without requiring an internet connection.

Offline dictionary and thesaurusFast searchingSpelling suggestions
🔍 Reference
(85)
free
12
Merriam-Webster Dictionary
Merriam-Webster Dictionary
Merriam-Webster Dictionary
by Merriam-Webster, Inc.
Free

Access America's most respected dictionary, updated with new words and meanings. This app offers offline access, voice search, daily vocabulary challenges, and a thesaurus. It's designed for English language reference, education, and vocabulary enhancement.

Offline dictionary accessVoice search for wordsDaily Word of the Day
🔍 Reference
(320K)
free with in-app purchases
13
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Access reliable translations for multiple languages, including French, Spanish, and German, with this comprehensive dictionary app. It offers fast, offline access to a vast database compiled by lexicographers and includes example sentences and audio pronunciations.

Translations in French, Spanish, German, and moreCompiled by over 400 lexicographersFast translations with quick search
🔍 Reference
(11K)
free
14
Dictionary & Translator
Dictionary & Translator
Dictionary & Translator
Learn and Translate Languages
Free

Access trusted definitions, thesaurus, and pronunciations for numerous languages. Translate text and images offline or online, and enhance your learning with vocabulary challenges and grammar checking.

Offline dictionary and thesaurusCross-cultural text and image translationVocabulary challenges and grammar checking
📚 Education
(13K)
free with in-app purchases
15
ICD10 Consult
ICD10 Consult
ICD10 Consult
Smart, quick medical coding
Free

Access a comprehensive and current ICD-10-CM medical coding resource with flexible, natural language search. This app simplifies coding by understanding synonyms, acronyms, and variations in terminology, and allows for custom notes and quick access to frequently used codes.

Flexible, natural language searchCustomizable code notesCross-referenced acronyms and synonyms
🏥 Medical
(14K)
ad-supported
16
Exam Vocabulary Builder
Exam Vocabulary Builder
Exam Vocabulary Builder
by Renkara Media Group, Inc.
Free

Expand your English vocabulary for academic and professional exams with this app. It uses flashcard-like learning with definitions, synonyms, and example sentences. Features include spaced repetition, quizzes, and progress tracking.

Flashcard-like learningDefinitions, synonyms, example sentencesSpaced repetition mode
📚 Education
(3)
free with in-app purchases
17
DigiLocker
DigiLocker
DigiLocker
Simple &Secure document wallet
Free

A secure digital wallet for citizens to store and access important documents and certificates. This platform aims to reduce the need for physical paperwork by enabling digital issuance and verification.

Secure document storageDigital certificate issuanceDocument verification
📊 Productivity
(182)
free
18
Kurdish English Dictionary +
Kurdish English Dictionary +
Kurdish English Dictionary +
فه رهه نگی ئینگلیزی - كوردی
Free

This app provides a comprehensive Kurdish to English and English to Kurdish dictionary with translation capabilities. It includes vocabulary games, practice tests, and daily lessons to enhance language learning. Offline access and native speaker audio pronunciation are also available.

English-Kurdish dictionaryKurdish-English dictionaryKurdish Translator
📚 Education
(5.4K)
free with in-app purchases
19
Dictionary.
Dictionary.
Dictionary.
by TheFreeDictionary.com
Free

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

Offline dictionary and thesaurusMillions of definitions and synonymsWord of the Day and Idiom of the Day
🔍 Reference
(14K)
free with in-app purchases
20
Etymonline English Dictionary
Etymonline English Dictionary
Etymonline English Dictionary
Dictionary to Build Vocabulary
Free

Explore the origins and history of English words with this comprehensive dictionary app. It offers instant search, related word suggestions, and an offline mode for premium users. Enhance your vocabulary and understanding of word roots.

Word origin explorationInstant search with suggestionsRelated words by root
📚 Education
(11K)
free with in-app purchases

FAQ about Dslk

Are there free dslk apps for iPhone?
Yes — 20 of the top dslk apps we rank are free to download, including DSLK and Dictionary.com: English Words.
DSLK has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 204+ dslk apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.

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