# ONELAB vs 4D Draw

The clearest difference is rating: ONELAB at 5.0 against 4D Draw's 3.4. ONELAB also leads on review sentiment (100% vs 70%) and update cadence (every 2 months vs every 7 months). 4D Draw's advantage is ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ONELAB holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: 4D Draw has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of ONELAB's written reviews are positive against 70% of 4D Draw's.

ONELAB ships an update every 2 months, 4D Draw every 7 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ONELAB | 4D Draw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onelab/id845930897/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/4d-draw/id926050711/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | **100.0% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 95 MB | 6 MB |
| Requires iOS | **9.0** | 17.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Geuzaine](https://appshunter.io/developer/845930900) | [Jeff Weeks](https://appshunter.io/developer/326104308) |

## What reviewers say

### ONELAB

[App page](https://appshunter.io/ios/app/onelab/id845930897)

This application provides a finite element package for simulating multi-physics problems. It integrates with open-source tools for mesh generation and solving, offering ready-to-use examples for electromagnetics, thermics, and mechanics.

**Highlights:** Finite element package, Multi-physic problem simulation, Electromagnetics, thermics, mechanics, Integrates with Gmsh and GetDP, Ready-to-use examples, Add new models via zip archives

**Features:** macOS Compatibility

**In-app purchases:** none


### 4D Draw

[App page](https://appshunter.io/ios/app/4d-draw/id926050711)

This app allows users to draw and visualize four-dimensional figures using color to represent the fourth coordinate. It includes a help menu with drawing tutorials and creative ideas to aid in understanding 4D space.

**Highlights:** Draw 4-dimensional figures, Use color for the fourth coordinate, Built-in 'How to draw' guide, 4D construction ideas, Visualize 4-dimensional space

**In-app purchases:** none


## Frequently asked questions

### Is ONELAB free?

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

### Is 4D Draw free?

4D Draw is free to download, with no in-app purchases.

### Which has better reviews, ONELAB or 4D Draw?

ONELAB is rated higher. ONELAB averages 5.0 out of 5 from 1 ratings, while 4D Draw averages 3.4 from 8 ratings.

### Do ONELAB or 4D Draw have ads?

Neither ONELAB nor 4D Draw shows ads.

### Which is updated more often, ONELAB or 4D Draw?

ONELAB ships an update every 2 months, and 4D Draw every 7 months. Most recently, ONELAB was updated on October 10, 2026 and 4D Draw on October 4, 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.*