# 3D Plotter vs A

The clearest difference is price: A at Free against 3D Plotter's $1.99. A also leads on iOS requirement (13.0 vs 15.6). 3D Plotter's advantage is in-app purchases (none vs 3). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

A is free to download; 3D Plotter costs $1.99 up front. A sells 3 in-app purchases, starting at $1.99 per month. 3D Plotter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.0 for 3D Plotter against 1.0 for A. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 3D Plotter | A |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/3d-plotter/id300597957/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/a-level-biology-app/id1613078220/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 179 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Aerion Design Labs Ltd.](https://appshunter.io/developer/1029206329) |

## What reviewers say

### 3D Plotter

[App page](https://appshunter.io/ios/app/3d-plotter/id300597957)

Visualize 2D functions in a 3D space by entering formulas and plot ranges. Customize the display with grid toggles, color themes, and adjustable speed and quality settings for various screen sizes.

**Highlights:** Plot 2D functions in 3D, Enter custom formulas, Define plot ranges, Toggle grid display, Multiple color themes, Adjust speed and quality, Supports all display sizes

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-level-biology-app/id1613078220)

Prepare for A-Level Biology exams with over 1000 practice questions covering all topics. Track your progress, identify areas for improvement, and take chapter-based tests and full mock quizzes to assess your readiness.

**Highlights:** 1000+ practice questions, Covers all course topics, Chapter-based tests, Pop and Mock quizzes, Progress monitoring, Topic-specific improvement tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ALevel Biology Subscription | $1.99 | per month |
| ALevel Biology Subscription | $7.99 | per 6 months |
| ALevel Biology Subscription | $9.99 | per year |


## Frequently asked questions

### Is 3D Plotter free?

3D Plotter costs $1.99, with no in-app purchases.

### Is A free?

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

### Which has better reviews, 3D Plotter or A?

3D Plotter and A are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 3D Plotter or A have ads?

Neither 3D Plotter nor A shows ads.

### Which is updated more often, 3D Plotter or A?

3D Plotter ships an update every 8 months, and A every 8 months. Most recently, 3D Plotter was updated on October 2, 2026 and A on October 1, 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.*