# Visual Math 4D vs Vocabulary Flashcards

The clearest difference is price: Vocabulary Flashcards at Free against Visual Math 4D's $1.99. Vocabulary Flashcards also leads on update cadence (every 5 days vs every 3 months) and rating (4.8 vs 4.6). Visual Math 4D's advantage is ratings volume (873 vs 72) and review sentiment (76% vs 67%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Vocabulary Flashcards is free to download; Visual Math 4D costs $1.99 up front. Visual Math 4D sells 3 one-off in-app purchases and Vocabulary Flashcards sells 5 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Vocabulary Flashcards holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Visual Math 4D has 873 ratings behind it against 72, so its average is the more settled of the two. Written reviews complicate that: 76% of Visual Math 4D's written reviews are positive against 67% of Vocabulary Flashcards's, so the app with the better star average is not the one people write more warmly about.

Visual Math 4D ships an update every 3 months, Vocabulary Flashcards every 5 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Visual Math 4D | Vocabulary Flashcards |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.6 (873 ratings)](https://appshunter.io/ios/app/visual-math-4d/id657441399/reviews) | **[4.8 (72 ratings)](https://appshunter.io/ios/app/vocabulary-flashcards-vocabu/id1392547708/reviews)** |
| Number of ratings | **873** | 72 |
| Positive reviews | **76.1% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 112 MB | 69 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ronny Weidemann](https://appshunter.io/developer/657441402) | [Daniel Reicher](https://appshunter.io/developer/1263212151) |

## 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


### Vocabulary Flashcards

[App page](https://appshunter.io/ios/app/vocabulary-flashcards-vocabu/id1392547708)

Learn new languages with personalized flashcard collections. Create your own lists, scan words from images, or use AI-generated content. Supports multiple languages and CEFR levels with audio pronunciation and offline access.

**Highlights:** Personalized vocabulary collections, AI-powered flashcard generation, AI vocabulary scanner from photos, Instant in-app translations, High-quality audio pronunciation, Offline access to words

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $6.99 | per month |
| 3 Month Subscription | $12.99 | per 3 months |
| 1 Year Subscription | $34.99 | per year |
| Lifetime Upgrade | $69.99 | one-time |
| Unlock Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is Visual Math 4D free?

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

### Is Vocabulary Flashcards free?

Vocabulary Flashcards is free to download, with in-app purchases available.

### Which has better reviews, Visual Math 4D or Vocabulary Flashcards?

Vocabulary Flashcards is rated higher. Visual Math 4D averages 4.6 out of 5 from 873 ratings, while Vocabulary Flashcards averages 4.8 from 72 ratings.

### Do Visual Math 4D or Vocabulary Flashcards have ads?

Neither Visual Math 4D nor Vocabulary Flashcards shows ads.

### Which is updated more often, Visual Math 4D or Vocabulary Flashcards?

Visual Math 4D ships an update every 3 months, and Vocabulary Flashcards every 5 days. Most recently, Visual Math 4D was updated on October 15, 2026 and Vocabulary Flashcards on October 16, 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.*