# Mechanical Formula vs NeuroVis

The clearest difference is in-app purchases: NeuroVis at none against Mechanical Formula's 1. NeuroVis also leads on update cadence (every 11 days vs every 4 months). Mechanical Formula's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price and ads there is nothing between them.

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

Mechanical Formula ships an update every 4 months, NeuroVis every 11 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Mechanical Formula | NeuroVis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/mechanical-formula/id1668948373/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [兴 吴](https://appshunter.io/developer/6806118661) |

## What reviewers say

### 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 |


### NeuroVis

[App page](https://appshunter.io/ios/app/neurovis/id6806290487)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Formula free?

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

### Is NeuroVis free?

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

### Do Mechanical Formula or NeuroVis have ads?

Neither Mechanical Formula nor NeuroVis shows ads.

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

Mechanical Formula ships an update every 4 months, and NeuroVis every 11 days. Most recently, Mechanical Formula was updated on October 24, 2026 and NeuroVis on October 12, 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.*