# VisualGrammar vs Another Turing Machine

The clearest difference is update cadence: Another Turing Machine at daily against VisualGrammar's every 10 days. Another Turing Machine also leads on price ($1.99 vs $3.99). VisualGrammar's advantage is chart position (#128 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

VisualGrammar costs $3.99 and Another Turing Machine $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VisualGrammar ships an update every 10 days, Another Turing Machine daily. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VisualGrammar | Another Turing Machine |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/visualgrammarsentence-diagram/id6470222379/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Paid | — |
| Best chart rank | **#128** | — |
| Size | 16 MB | 1 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Simin Dai](https://appshunter.io/developer/1231564112) | [Stefan JOSTEN](https://appshunter.io/developer/949662361) |

## What reviewers say

### VisualGrammar

[App page](https://appshunter.io/ios/app/visualgrammarsentence-diagram/id6470222379)

**Currently charting:** #128 Top Paid · Education (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Another Turing Machine

[App page](https://appshunter.io/ios/app/another-turing-machine/id6742148242)

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

**In-app purchases:** none


## Frequently asked questions

### Is VisualGrammar free?

VisualGrammar costs $3.99, with no in-app purchases.

### Is Another Turing Machine free?

Another Turing Machine costs $1.99, with no in-app purchases.

### Do VisualGrammar or Another Turing Machine have ads?

Neither VisualGrammar nor Another Turing Machine shows ads.

### Which is updated more often, VisualGrammar or Another Turing Machine?

VisualGrammar ships an update every 10 days, and Another Turing Machine daily. Most recently, VisualGrammar was updated on October 27, 2026 and Another Turing Machine on October 28, 2026.

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