NumAndShape vs Lexicon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NumAndShape
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free content - addition - subtraction - multiplication - division - average - summation - area of triangle - area of circle paid content - prime number - power - per hour - binary number - sin cos tan NumAndShape Unlimited - Available including current paid content and paid content that will be added later - Hide advertisements
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.
- 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
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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!
Screenshots
Verdict
The clearest difference is update cadence: Lexicon at every 3 weeks against NumAndShape's every 2 months. On price, ads, in-app purchases 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
Both are free to download. NumAndShape sells 6 one-off in-app purchases and Lexicon sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
NumAndShape ships an update every 2 months, Lexicon every 3 weeks. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.
| Parameter | NumAndShape | Lexicon |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | ken morobayashi | Lojas Software Corp |
In-app purchases
NumAndShape
- prime number$0.49
- power$0.49
- per hour$0.49
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- binary number$0.49
- sin cos tan$0.49
- NumAndShape Unlimited$1.99
Lexicon
- Page Turner$0.99
- Inkwell & Quill$0.99
- Deus Ex Machina$1.99
Show 5 moreShow fewer
- Scholar's Anthology$1.99
- The Lost Tomes$3.99
- Speed Reader$3.99
- The Grand Encyclopedia$7.99
- The Ghostwriter$7.99
Questions
Is NumAndShape free?
Is Lexicon free?
Do NumAndShape or Lexicon have ads?
Which is updated more often, NumAndShape or Lexicon?
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