# 3D Plotter vs MingBai

The clearest difference is price: MingBai at Free against 3D Plotter's $1.99. MingBai also leads on update cadence (fortnightly vs every 8 months). 3D Plotter's advantage is in-app purchases (none vs 5) and iOS requirement (15.6 vs 26.2). On ads and device support there is nothing between them.

MingBai is free to download; 3D Plotter costs $1.99 up front. MingBai sells 5 one-off in-app purchases. 3D Plotter asks for nothing beyond the download.

3D Plotter ships an update every 8 months, MingBai fortnightly. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 3D Plotter | MingBai |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/3d-plotter/id300597957/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 1 MB | 150 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Robin Stoehr](https://appshunter.io/developer/1878137902) |

## 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


### MingBai

[App page](https://appshunter.io/ios/app/mingbai-chinese-dictionary/id6759336230)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Voice | $4.99 | one-time |
| Handwriting Recognition Unlimited | $9.99 | one-time |
| Stroke Order Trainer | $9.99 | one-time |
| Scan / OCR Unlimited | $9.99 | one-time |
| All Access Bundle | $19.99 | one-time |


## Frequently asked questions

### Is 3D Plotter free?

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

### Is MingBai free?

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

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

Neither 3D Plotter nor MingBai shows ads.

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

3D Plotter ships an update every 8 months, and MingBai fortnightly. Most recently, 3D Plotter was updated on October 2, 2026 and MingBai on September 30, 2026.

---

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