Best 504 alternatives: apps like 504 - Vocabulary Builder

10+ similar apps compared and reviewed

4.7 avg rating
10 free apps
Updated November 2026

Whether you want more options like 504 or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 504

4K Essential English Words 1#2

4K Essential English Words 1 by Le Bin

600 words (Unit 1 - Unit 30)
Strong Contender
📚 Education
4.7(95 ratings)
FreeAds
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Learn essential English vocabulary through definitions, example sentences, and engaging activities. Each unit concludes with a story to reinforce word meanings in context, aided by illustrations for better recall.

504 Essential Words-Vocabulary#3

504 Essential Words-Vocabulary by Hassan Dehghan

504 Words Learning & Practice
Worth Considering
📚 Education
4.3(3 ratings)
FreeIn-App Purchases
504 Essential Words-Vocabulary screenshot 1
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Master essential English vocabulary through engaging stories and interactive games. This app utilizes a proven spaced repetition method and speech recognition to enhance listening, speaking, reading, and retention skills. It's ideal for exam preparation and general English improvement.

More apps like 504

4
Leitnary: English Dictionary
Leitnary: English Dictionary
Leitnary: English Dictionary
Persian Meanings & Vocabulary
Free

This app is a comprehensive English-Persian dictionary and vocabulary learning tool. It offers offline access to over 200,000 definitions, pronunciations, and example sentences. It also incorporates the Leitner system for effective word memorization.

English-Persian and Persian-English dictionaryOffline access to definitionsAudio pronunciations (online and offline)
📚 Education
(2.9K)
free
5
4K Essential English Words 2
4K Essential English Words 2
4K Essential English Words 2
600 words (Unit 1 - Unit 30)
Free

This app introduces essential English vocabulary through definitions, example sentences, and engaging activities. It reinforces learning with contextual stories and visual aids, helping users understand and recall word meanings effectively.

Sentence definitions and examplesRecall and contextual activitiesStory-based word application
📚 Education
(31)
ad-supported
6
4K Essential English Words 3
4K Essential English Words 3
4K Essential English Words 3
600 words (Unit 1 - Unit 30)
Free

This app introduces English vocabulary through definitions, example sentences, and engaging activities. It reinforces learning with contextual usage in stories and visual aids for each word. Designed to build a strong understanding of word meanings and their application.

Word definitions and example sentencesContextual usage in storiesVisual aids for each word
📚 Education
(31)
ad-supported
7
LanGeek | Learn Languages
LanGeek | Learn Languages
LanGeek | Learn Languages
Vocabulary, Grammar & More
Free

Master English with interactive lessons, personalized learning paths, and extensive vocabulary and grammar resources. Improve pronunciation, reading comprehension, and speaking fluency with tools like flashcards and spaced repetition.

CEFR aligned vocabulary listsTopical and function-based vocabularyIdioms, phrasal verbs, and collocations
📚 Education
(530)
free with in-app purchases
8
Special English Listening
Special English Listening
Special English Listening
Listen, Watch & Speak Better
Free

Enhance your English listening and speaking skills with engaging news, stories, and reports. This app offers audio and video lessons, offline access, and personalized recommendations to make learning practical and enjoyable.

Audio lessons with synchronized readingEducational videos for comprehensionOffline lesson downloads
📚 Education
(6.7K)
free with in-app purchases
9
4K Essential English Words 6
4K Essential English Words 6
4K Essential English Words 6
600 Words (Unit 1 - Unit 30)
Free

This app introduces new vocabulary through definitions and example sentences, followed by engaging activities to reinforce learning. It includes stories that utilize target words to improve comprehension and provides visual aids for better word association and recall.

Sentence definitions and examplesRecall and context-based activitiesStory-based word usage
📚 Education
(15)
ad-supported
10
English Listening - 6mins
English Listening - 6mins
English Listening - 6mins
Learning English Offline
Free

Improve your English skills with short, offline lessons. Practice listening, grammar, and vocabulary through conversations with native speakers. Save favorite lessons and take notes for a personalized learning experience.

Offline English lessonsListening practice with native audioVocabulary and grammar exercises
📚 Education
(11K)
free with in-app purchases