# JMStudio vs 3D Topology Optimizer

The clearest difference is in-app purchases: JMStudio at none against 3D Topology Optimizer's 1. JMStudio also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). 3D Topology Optimizer's advantage is update cadence (every 6 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 3D Topology Optimizer sells 1 one-off in-app purchase. JMStudio asks for nothing beyond the download.

JMStudio ships an update every 2 months, 3D Topology Optimizer every 6 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JMStudio | 3D Topology Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (28 ratings)](https://appshunter.io/ios/app/jmstudio/id6448431905/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 5.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 39 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [武汉尺子科技有限公司](https://appshunter.io/developer/1299583300) | [Maximilian Benchieb](https://appshunter.io/developer/1805481309) |

## What reviewers say

### JMStudio

[App page](https://appshunter.io/ios/app/jmstudio/id6448431905)

This app facilitates 3D data acquisition using compatible 3D scanning devices. It allows real-time preview of scanning status, control over the scanning process, and easy management and export of captured data to a desktop application for further processing.

**Highlights:** Real-time 3D data preview, Start/stop scanning control, Device binding and calibration, Scan data management and export, In-app user manual

**In-app purchases:** none


### 3D Topology Optimizer

[App page](https://appshunter.io/ios/app/3d-topology-optimizer/id6809777918)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Topology Export | $0.99 | one-time |


## Frequently asked questions

### Is JMStudio free?

JMStudio is free to download, with no in-app purchases.

### Is 3D Topology Optimizer free?

3D Topology Optimizer is free to download, with in-app purchases available.

### Do JMStudio or 3D Topology Optimizer have ads?

3D Topology Optimizer shows ads; JMStudio does not.

### Which is updated more often, JMStudio or 3D Topology Optimizer?

JMStudio ships an update every 2 months, and 3D Topology Optimizer every 6 days. Most recently, JMStudio was updated on November 3, 2026 and 3D Topology Optimizer on October 31, 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.*