Comparison

VisualGrammar vs Math Automata

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

Head to head
About

VisualGrammar

This app uses an AI-powered model inspired by Reed–Kellogg diagrams to automatically generate visual representations of sentence structure. It works offline, making grammar analysis accessible and engaging for students and language enthusiasts.

Highlights
  • Automatic sentence diagram generation
  • Offline functionality
  • Lightweight AI model
  • Visualizes grammar
  • Privacy-first design
Features
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Transform how you understand and analyze sentences with our innovative app, powered by a lightweight AI model inspired by the legacy of ‌Reed–Kellogg—a pioneering system that revolutionized sentence diagramming. No internet needed! Simply input any sentence, and watch as the app automatically generates a beautifully structured diagram, revealing the intricate relationships between words, phrases, and clauses.This AI-powered diagram generator eliminates the need for manual branding tools. Our intelligent agent automatically creates professional diagrams with embedded branding elements directly from your input. No additional tools or manual steps required - simply type your English Sentence and let AI handle the rest. ‌Key Features:‌ Offline Functionality‌: Works seamlessly without an internet connection, perfect for classrooms, travel, or remote learning. ‌Lightweight AI Model‌: Efficiently diagrams sentences on-device, with ongoing accuracy improvements through advanced syntax parsing. Educational & Fun‌: Ideal for students, teachers, and language enthusiasts to visualize grammar in action—bridging the gap between traditional diagrams and modern AI. ‌Limitations‌: Designed for simplicity; very complex sentences (e.g., nested clauses or rare syntactic structures) may require future enhancements. ‌Why It Stands Out:‌ ‌The Art of Language‌: Every sentence is a masterpiece of structure and meaning. Our app brings this artistry to life, helping you see the hidden patterns and rhythms of grammar. ‌Privacy-First‌: Offline operation ensures your data stays secure, with no reliance on cloud processing. ‌Accessible Learning‌: Turn the poetry of syntax into a visual experience, making language analysis intuitive and engaging for all. Whether you’re mastering grammar, teaching in the classroom, or exploring the beauty of syntax, this app turns language into a visual masterpiece.

About

Math Automata

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Automata theory is a concept used in computer science. Learn how to creatively solve problems by combining automata connection theory and mathematical computation.

Screenshots

VisualGrammar4 screens
Math Automata4 screens

Verdict

The call

The clearest difference is price: Math Automata at Free against VisualGrammar's $3.99. Math Automata also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (13.0 vs 17.6). VisualGrammar's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Math Automata is free to download; VisualGrammar costs $3.99 up front. Math Automata sells 1 one-off in-app purchase. VisualGrammar asks for nothing beyond the download.

UpkeepUpdate frequency

VisualGrammar ships an update every 10 days, Math Automata every 4 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard5 real differences · 5 level
VisualGrammar versus Math Automata: the parameters behind the verdict, then further details
ParameterVisualGrammarMath Automata
Price$3.99Free — better
Rating3.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 daysEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size16 MB123 MB
Age rating4+12+
DeveloperSimin Daiseoro lee

In-app purchases

None

VisualGrammar

No in-app purchases

1 purchases

Math Automata

One-time1
  • 10 hints$0.99

Questions

Is VisualGrammar free?
VisualGrammar costs $3.99, with no in-app purchases.
Is Math Automata free?
Math Automata is free to download, with in-app purchases available.
Do VisualGrammar or Math Automata have ads?
Math Automata shows ads; VisualGrammar does not.
Which is updated more often, VisualGrammar or Math Automata?
VisualGrammar ships an update every 10 days, and Math Automata every 4 days. Most recently, VisualGrammar was updated on November 7, 2026 and Math Automata on November 9, 2026.

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