Lexicon vs AceURMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
AceURMath
This AI-powered app makes math engaging for children from pre-kindergarten through high school, offering personalized learning paths and instant homework help. It includes fun math games, progress tracking for parents, and SAT/MAP test preparation.
- AI-powered adaptive learning
- Personalized math curriculum (K-12)
- SAT and MAP test preparation
- Interactive math games
- Instant photo-based homework help
- Parent progress dashboard
- Ad-free and child-safe environment
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Make Math Your Child's Superpower! Math is Finally Fun — for Every Learner. AceURMath is the adaptive, AI-powered math app that meets your child exactly where they are — from Kindergarten and our unique Pre-1st level, all the way through 8th grade, high school (Algebra 1, Geometry, Algebra 2), plus MAP and SAT math prep. One app that grows with your child for years. PERSONALIZED & ADAPTIVE Every question adjusts to your child's real level and pace. Practice, quizzes, timed challenges, and review all run on one smart engine — so kids are never bored and never lost. K TO 12TH + MAP AND SAT TEST PREP Full coverage from early counting to advanced high-school math: addition, subtraction, multiplication, division, fractions, decimals, algebra, geometry and more, with built-in MAP and SAT math preparation. Real word problems build true understanding, not just memorization. MATH GAMES THAT ACTUALLY TEACH Number Pop, Math Memory, Math Race, Speed Sort and Pattern Match make practicing math genuinely fun. Kids earn points and unlock 360+ rewards & collectibles — avatars and creatures they'll ask to do more math for. INSTANT HOMEWORK HELP Stuck on a problem? Snap a photo and get a full step-by-step solution. Your child understands WHY, not just the answer. PARENT & TEACHER DASHBOARD See exactly what your child is working on, how they're progressing, and where they need help. Strength and weakness reports, daily goals, gift rewards — and all your kids in one account. SAFE, AD-FREE & COPPA-COMPLIANT Built for families: no ads, child-safe, and privacy-first. COPPA-compliant — a parent or teacher creates and manages every child account. Start your FREE 7-day trial today. Cancel anytime before it ends. FLEXIBLE SUBSCRIPTIONS Monthly or annual plans. Cancel anytime. SUPPORT Questions? Email support@aceurmath.org Privacy: https://aceurmath.org/privacy Terms: https://aceurmath.org/terms
Screenshots
Verdict
The clearest difference is ads: AceURMath at none against Lexicon's shown. AceURMath also leads on update cadence (weekly vs every 3 weeks) and ratings volume (4 vs 1). On price, rating, in-app purchases and monetization model 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. Lexicon sells 8 one-off in-app purchases and AceURMath sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Lexicon against 5.0 for AceURMath. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Lexicon ships an update every 3 weeks, AceURMath weekly. Both last shipped on October 31, 2026.
| Parameter | Lexicon | AceURMath |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Lojas Software Corp | ACE CONSULTING EDGE INC |
Customer experience
Lexicon
AceURMath
In-app purchases
Lexicon
- Page Turner$0.99
- Inkwell & Quill$0.99
- Deus Ex Machina$1.99
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- Scholar's Anthology$1.99
- The Lost Tomes$3.99
- Speed Reader$3.99
- The Grand Encyclopedia$7.99
- The Ghostwriter$7.99
AceURMath
- Starter Monthly7 Days trial$4.991 Month
- Family Monthly7 Days trial$9.991 Month
- Family Plus Monthly7 Days trial$19.991 Month
Show 7 moreShow fewer
- Teacher Monthly7 Days trial$24.991 Month
- Starter Yearly7 Days trial$39.991 Year
- Teacher+ Monthly7 Days trial$49.991 Month
- Family Yearly7 Days trial$79.991 Year
- Family+ Yearly7 Days trial$159.991 Year
- Teacher Yearly7 Days trial$199.991 Year
- Teacher+ Yearly7 Days trial$399.991 Year









