# xsec vs Mechanical Engineering Toolkit

The clearest difference is price: Mechanical Engineering Toolkit at Free against xsec's $19.99. Mechanical Engineering Toolkit also leads on update cadence (weekly vs every 10 months). xsec's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Mechanical Engineering Toolkit is free to download; xsec costs $19.99 up front. Mechanical Engineering Toolkit sells 1 one-off in-app purchase. xsec asks for nothing beyond the download.

xsec ships an update every 10 months, Mechanical Engineering Toolkit weekly. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | xsec | Mechanical Engineering Toolkit |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.8 (64 ratings)](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443/reviews)** |
| Number of ratings | — | **64** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 30 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Phillip Thompson](https://appshunter.io/developer/1034942656) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### xsec

[App page](https://appshunter.io/ios/app/xsec/id1270487040)

**In-app purchases:** none


### Mechanical Engineering Toolkit

[App page](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443)

This utility app provides a comprehensive collection of engineering equations and formulas for students and professionals. Easily perform calculations by selecting a formula and inputting variables, with detailed instructions and reference material included.

**Highlights:** Engineering equations and formulas, Mechanics of Material calculations, Theory of Elasticity formulas, Composite Material properties, Reference material, Variable input for calculations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is xsec free?

xsec costs $19.99, with no in-app purchases.

### Is Mechanical Engineering Toolkit free?

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

### Do xsec or Mechanical Engineering Toolkit have ads?

Mechanical Engineering Toolkit shows ads; xsec does not.

### Which is updated more often, xsec or Mechanical Engineering Toolkit?

xsec ships an update every 10 months, and Mechanical Engineering Toolkit weekly. Most recently, xsec was updated on October 14, 2026 and Mechanical Engineering Toolkit on October 16, 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.*