# ONELAB vs Mechanical Formula

The clearest difference is review sentiment: ONELAB at 100% against Mechanical Formula's 0%. ONELAB also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). Mechanical Formula's advantage is ratings volume (34 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Mechanical Formula sells 1 one-off in-app purchase. ONELAB asks for nothing beyond the download.

ONELAB holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mechanical Formula has 34 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 0% of Mechanical Formula's.

ONELAB ships an update every 2 months, Mechanical Formula every 4 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ONELAB | Mechanical Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onelab/id845930897/reviews)** | [4.7 (34 ratings)](https://appshunter.io/ios/app/mechanical-formula/id1668948373/reviews) |
| Number of ratings | 1 | **34** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 95 MB | 42 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Geuzaine](https://appshunter.io/developer/845930900) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## 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


### Mechanical Formula

[App page](https://appshunter.io/ios/app/mechanical-formula/id1668948373)

This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.

**Highlights:** 200+ mechanical engineering formulas, Instant calculations, Intuitive interface, Real-world application explanations, Exam preparation aid, Lifetime Premium option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is ONELAB free?

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

### Is Mechanical Formula free?

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

### Which has better reviews, ONELAB or Mechanical Formula?

ONELAB is rated higher. ONELAB averages 5.0 out of 5 from 1 ratings, while Mechanical Formula averages 4.7 from 34 ratings.

### Do ONELAB or Mechanical Formula have ads?

Neither ONELAB nor Mechanical Formula shows ads.

### Which is updated more often, ONELAB or Mechanical Formula?

ONELAB ships an update every 2 months, and Mechanical Formula every 4 months. Most recently, ONELAB was updated on October 10, 2026 and Mechanical Formula on October 6, 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.*