Comparison

NumAndShape vs Lexicon

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

Head to head
About

NumAndShape

Features
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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

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
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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

NumAndShape3 screens
Lexicon4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
NumAndShape versus Lexicon: the parameters behind the verdict, then further details
ParameterNumAndShapeLexicon
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size5 MB13 MB
Age rating4+4+
Developerken morobayashiLojas Software Corp

In-app purchases

6 purchases

NumAndShape

One-time6
  • prime number$0.49
  • power$0.49
  • per hour$0.49
Show 3 more
  • binary number$0.49
  • sin cos tan$0.49
  • NumAndShape Unlimited$1.99
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

Questions

Is NumAndShape free?
NumAndShape is free to download, with in-app purchases available.
Is Lexicon free?
Lexicon is free to download, with in-app purchases available.
Do NumAndShape or Lexicon have ads?
Both NumAndShape and Lexicon show ads.
Which is updated more often, NumAndShape or Lexicon?
NumAndShape ships an update every 2 months, and Lexicon every 3 weeks. Most recently, NumAndShape was updated on October 30, 2026 and Lexicon on October 13, 2026.

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