Comparison

Lexicon vs Expression Builder

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

Head to head
About

Lexicon

This app offers a comprehensive English language curriculum with interactive tools for grammar, writing, literature, and professional communication. It provides detailed explanations, progress tracking, and diverse question formats to enhance learning.

Highlights
  • University-grade English curriculum
  • 16 distinct disciplines covered
  • Interactive learning tools
  • Diverse question formats
  • Smart hints system with video explanations
  • Detailed feedback for retention
  • Progress tracking across subjects
Features
Read full description

Master Every Aspect of the English Language. Lexicon: Master English is the ultimate study companion for students, professionals, and language enthusiasts. Going far beyond basic grammar and vocabulary, Lexicon offers a massive, university-grade curriculum covering 16 distinct disciplines of English. Whether you are analyzing Shakespeare, preparing a business presentation, or studying linguistic evolution, Lexicon has a test for you. Why Choose Lexicon? UNRIVALED CURRICULUM DEPTH: Access hundreds of topics organized into 16 comprehensive subjects: The Fundamentals: Master Grammar (Word Types, Tenses), Vocabulary (Synonyms, Idioms), Spelling & Usage (Roots, Confusing Words), and Reading Comprehension. Advanced Writing Skills: Perfect your craft with Writing Mechanics (Punctuation, Structure), Creative Writing (Story Elements, Character Development), and Journalism (News Writing, Media Literacy). Literature & Culture: Dive deep into Literary Analysis (Poetry, Devices), Shakespeare Studies (Plays, Sonnets, Language), and Mythology & Folklore (Greek, Roman, Archetypes). Professional Mastery: Excel in your career with Business English (Professional Writing, Workplace Communication) and Speech & Debate (Public Speaking, Argumentation). Academic & Theoretical English: Tackle high-level subjects including Rhetoric & Logic (Persuasion, Fallacies), Academic Research (Citations, Sourcing), Linguistics (Phonetics, Semantics), and the History of English (Old/Middle English, Evolution). INTERACTIVE LEARNING TOOLS: Diverse Question Formats: From multiple-choice to error identification and concept matching. Smart Hints System: Stuck on a logical fallacy or a Shakespearean term? Watch a quick video to get a definition or clue without spoiling the answer. Detailed Explanations: Learn the "why" behind every answer. Whether it's the etymology of a word or the rule for a semicolon, detailed feedback ensures you retain information. Progress Tracking: Monitor your proficiency across specific subjects. See exactly where you excel (e.g., Creative Writing) and where you need practice (e.g., Phonetics). WHO IS LEXICON FOR? Literature & Arts Students: Perfect for AP English, A-Level English Literature, or university students studying Humanities. Professionals: Essential for anyone wanting to improve business emails, public speaking confidence, and workplace rhetoric. Aspiring Writers & Journalists: Sharpen your storytelling, learn to avoid logical fallacies, and master the rules of editing. History & Language Buffs: Explore the fascinating origins of English, from Beowulf to modern semantics. ESL Learners: Advanced learners ready to move beyond basic fluency into native-level cultural and academic nuances. Topics Include: Verb Tenses & Sentence Structure Rhetorical Persuasion & Logical Fallacies Greek & Roman Mythology Phonetics & Semantics Shakespearean Language & Plays News Writing & Media Literacy Citations & Academic Sourcing Public Speaking & Debate Strategies Download Lexicon today and unlock the full power of the English language!

About

Expression Builder

Features
Read full description

Speak English Naturally. Master the Expressions Native Speakers Use Every Day. You may know thousands of English words already. Yet movies still feel too fast, conversations sound confusing, and many common expressions don't mean what their individual words suggest. That's because real English is built on more than vocabulary. Expression Builder: First 3000 helps you master the most important English expressions by focusing on the three building blocks of natural communication: 1000 Phrasal Verbs 1000 Collocations 1000 Idioms Together, these 3000 carefully selected expressions help bridge the gap between textbook English and real-world English. Why Expression Builder? Understand English the Way Native Speakers Use It Native speakers don't simply combine individual words. They rely on thousands of fixed expressions and natural word combinations. Without them, even advanced learners often struggle to understand: Movies and TV shows Podcasts and YouTube videos News articles and blogs Workplace conversations Everyday social interactions Expression Builder focuses on the expressions you are most likely to encounter in real life. Learn More Than Just Definitions Every expression includes rich learning content designed for long-term retention: Clear Meanings Simple, easy-to-understand explanations. High-Quality Images Visual learning helps expressions become memorable and intuitive. Example Sentences See how expressions are used naturally in modern English. Synonyms and Related Expressions Expand your active vocabulary and improve fluency. Opposites and Contrasts Understand subtle differences and avoid common mistakes. Natural Pronunciation Listen and practice authentic pronunciation. Learn Faster with Flashcards Our streamlined flashcard system keeps learning focused and efficient. Simply swipe expressions into: Learning Known No complicated setup. No distractions. Just consistent progress. Designed for Real Fluency Many learners reach a point where vocabulary alone is no longer enough. You know the words. Now learn the expressions. Mastering phrasal verbs, collocations, and idioms is one of the fastest ways to sound more natural, understand more content, and communicate with greater confidence. Built for Learners Worldwide Meanings in 30+ languages Beginner-friendly explanations Fast and intuitive interface Thousands of carefully selected expressions Optimized for daily study What This App Is (And Isn't) This isn't a grammar course. This isn't a collection of rare academic expressions. This isn't another endless word list. Expression Builder is focused on one goal: Helping you understand and use the expressions that make English sound natural. Download Expression Builder: First 3000 today and start speaking English the way it is actually used. Privacy Policy: https://www.wordsensemaster.com/privacy_policy.html Terms of Use: https://www.wordsensemaster.com/terms_of_use.html

Screenshots

Lexicon4 screens
Expression Builder4 screens

Verdict

The call

The clearest difference is in-app purchases: Expression Builder at none against Lexicon's 8. Expression Builder also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support 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. Lexicon sells 8 one-off in-app purchases. Expression Builder asks for nothing beyond the download.

UpkeepUpdate frequency

Lexicon ships an update every 3 weeks, Expression Builder every 4 weeks. Both last shipped on October 31, 2026.

Scorecard2 real differences · 7 level
Lexicon versus Expression Builder: the parameters behind the verdict, then further details
ParameterLexiconExpression Builder
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size13 MB114 MB
Age rating4+4+
DeveloperLojas Software CorpNezihe Sozen

In-app purchases

8 purchases

Lexicon

One-time8
  • Page Turner$0.99
  • Inkwell & Quill$0.99
  • Deus Ex Machina$1.99
Show 5 more
  • Scholar's Anthology$1.99
  • The Lost Tomes$3.99
  • Speed Reader$3.99
  • The Grand Encyclopedia$7.99
  • The Ghostwriter$7.99
None

Expression Builder

No in-app purchases

Questions

Is Lexicon free?
Lexicon is free to download, with in-app purchases available.
Is Expression Builder free?
Expression Builder is free to download, with no in-app purchases.
Do Lexicon or Expression Builder have ads?
Both Lexicon and Expression Builder show ads.
Which is updated more often, Lexicon or Expression Builder?
Lexicon ships an update every 3 weeks, and Expression Builder every 4 weeks. Most recently, Lexicon was updated on October 31, 2026 and Expression Builder on October 31, 2026.

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