# Equations vs Mechanical Formula

The clearest difference is in-app purchases: Equations at none against Mechanical Formula's 1. Equations also leads on update cadence (every 2 months vs every 4 months). Mechanical Formula's advantage is rating (4.7 vs 4.4). On price, ratings volume, ads and device support there is nothing between them.

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

Mechanical Formula holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 14 and 34 respectively.

Equations ships an update every 2 months, Mechanical Formula every 4 months. The most recent releases landed on September 12, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Equations | Mechanical Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/equations-x/id1179127721/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/mechanical-formula/id1668948373/reviews)** |
| Number of ratings | 14 | **34** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 42 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Riyad Habash](https://appshunter.io/developer/1073719756) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## What reviewers say

### Equations

[App page](https://appshunter.io/ios/app/equations-x/id1179127721)

This app provides tools to calculate areas of various polygons and volumes of 3D shapes. It also includes solvers for quadratic and cubic equations, making it a comprehensive resource for mathematical and engineering calculations.

**Highlights:** Area calculations for polygons, Volume calculations for 3D shapes, Quadratic equation solver, Cubic equation solver, Support for various geometric shapes

**Features:** Vision Pro support

**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 Equations free?

Equations 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, Equations or Mechanical Formula?

Mechanical Formula is rated higher. Equations averages 4.4 out of 5 from 14 ratings, while Mechanical Formula averages 4.7 from 34 ratings.

### Do Equations or Mechanical Formula have ads?

Neither Equations nor Mechanical Formula shows ads.

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

Equations ships an update every 2 months, and Mechanical Formula every 4 months. Most recently, Equations was updated on September 12, 2026 and Mechanical Formula on September 19, 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.*