# GrammarExpress Clause Analysis vs Math Automata

The clearest difference is ads: GrammarExpress Clause Analysis at none against Math Automata's shown. Math Automata's advantage is update cadence (every 4 days vs every 10 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. GrammarExpress Clause Analysis sells 1 one-off in-app purchase and Math Automata sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GrammarExpress Clause Analysis ships an update every 10 months, Math Automata every 4 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | GrammarExpress Clause Analysis | Math Automata |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/grammarexpress-clause-analysis/id369875899/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 8 MB | 123 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [seoro lee](https://appshunter.io/developer/1868875657) |

## What reviewers say

### GrammarExpress Clause Analysis

[App page](https://appshunter.io/ios/app/grammarexpress-clause-analysis/id369875899)

Master sentence structure with this comprehensive grammar course. Learn clause analysis through detailed lessons, examples, and interactive quizzes. Improve your understanding of adjective, adverb, and noun clauses with real-time feedback and progress tracking.

**Highlights:** Detailed grammar lessons and rules, Over 300 multiple-choice questions, Real-time error feedback, Progress tracking and missed question retry, Customizable timer settings, Voice over support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar Express CA Full Version | $0.99 | one-time |


### Math Automata

[App page](https://appshunter.io/ios/app/math-automata/id6758681941)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 hints | $0.99 | one-time |


## Frequently asked questions

### Is GrammarExpress Clause Analysis free?

GrammarExpress Clause Analysis is free to download, with in-app purchases available.

### Is Math Automata free?

Math Automata is free to download, with in-app purchases available.

### Do GrammarExpress Clause Analysis or Math Automata have ads?

Math Automata shows ads; GrammarExpress Clause Analysis does not.

### Which is updated more often, GrammarExpress Clause Analysis or Math Automata?

GrammarExpress Clause Analysis ships an update every 10 months, and Math Automata every 4 days. Most recently, GrammarExpress Clause Analysis was updated on October 15, 2026 and Math Automata on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*