# Visual Math 4D vs Cyber Kanji

The clearest difference is price: Cyber Kanji at Free against Visual Math 4D's $1.99. Cyber Kanji also leads on update cadence (weekly vs every 3 months) and rating (5.0 vs 4.6). Visual Math 4D's advantage is ratings volume (873 vs 1) and iOS requirement (10.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Cyber Kanji is free to download; Visual Math 4D costs $1.99 up front. Visual Math 4D sells 3 one-off in-app purchases and Cyber Kanji sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Cyber Kanji holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Visual Math 4D has 873 ratings behind it against 1, so its average is the more settled of the two.

Visual Math 4D ships an update every 3 months, Cyber Kanji weekly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Visual Math 4D | Cyber Kanji |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.6 (873 ratings)](https://appshunter.io/ios/app/visual-math-4d/id657441399/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cyber-kanji-learn/id6479282450/reviews)** |
| Number of ratings | **873** | 1 |
| Positive reviews | 76.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 119 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ronny Weidemann](https://appshunter.io/developer/657441402) | [deLily Apps, Inc.](https://appshunter.io/developer/1435796745) |

## What reviewers say

### Visual Math 4D

[App page](https://appshunter.io/ios/app/visual-math-4d/id657441399)

Visualize and solve complex mathematical equations in 2D and 3D. Supports various equation types, vector fields, and animated variables. Ideal for students and engineers needing a powerful graphical calculator.

**Highlights:** Visualize 2D and 3D equations, Plot and animate vector fields, Support for polar, spherical, and parametric equations, Complex function plotting, Animate variables, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Cappuccino | $1.99 | one-time |
| Sandwich | $4.99 | one-time |

**What reviewers like**

- 🚀 Beautiful renderings
- 👍 Useful app
- 👍 Wonderful graphs and graphics
- 👍 Superior modeling tool
- 👍 Nice and easy to visualize

**What reviewers complain about**

- 🐛 App crashes and lost data
- 🐛 Unable to plot complex functions
- 🐛 Incorrect graph plotting
- 🐛 Scaling and range issues
- 🐛 Misleading app screenshots

**Reported bugs**

- App crashes on opening
- Incorrect graph plotting of planes
- Scaling issues with 2D vector fields
- Calculator not functioning

**Requested features**

- Save button/menu to save equations
- Complex function plotting
- Slope field option for differential equations
- Unit vector scaling for 2D vector fields
- Undo button


### Cyber Kanji

[App page](https://appshunter.io/ios/app/cyber-kanji-learn/id6479282450)

Master Japanese kanji with a unique AI tutor that uses playful insults to motivate you. Choose between a fast-paced game mode or a comprehensive study mode covering all N5-N1 levels. Hear pronunciations and access detailed definitions for effective learning.

**Highlights:** AI-powered insults for motivation, Game mode with leaderboards, Study mode for N5-N1 kanji, Kanji pronunciation audio, Access to Jishoo dictionary definitions, Customizable learning levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Logo | $4.99 | one-time |


## Frequently asked questions

### Is Visual Math 4D free?

Visual Math 4D costs $1.99, and also offers in-app purchases.

### Is Cyber Kanji free?

Cyber Kanji is free to download, with in-app purchases available.

### Which has better reviews, Visual Math 4D or Cyber Kanji?

Cyber Kanji is rated higher. Visual Math 4D averages 4.6 out of 5 from 873 ratings, while Cyber Kanji averages 5.0 from 1 ratings.

### Do Visual Math 4D or Cyber Kanji have ads?

Neither Visual Math 4D nor Cyber Kanji shows ads.

### Which is updated more often, Visual Math 4D or Cyber Kanji?

Visual Math 4D ships an update every 3 months, and Cyber Kanji weekly. Most recently, Visual Math 4D was updated on October 11, 2026 and Cyber Kanji on October 3, 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.*