# WeldEquations vs Mechanical Engineering Toolkit

The clearest difference is in-app purchases: WeldEquations at none against Mechanical Engineering Toolkit's 1. WeldEquations also leads on ads (none vs shown). Mechanical Engineering Toolkit's advantage is update cadence (weekly vs every 12 months) and device support (4 vs 2). On price there is nothing between them.

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

WeldEquations ships an update every 12 months, Mechanical Engineering Toolkit weekly. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WeldEquations | Mechanical Engineering Toolkit |
| --- | --- | --- |
| Price | Free | 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 12 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 7 MB | 40 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Glendale Coding Labs, Inc](https://appshunter.io/developer/1266859626) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### WeldEquations

[App page](https://appshunter.io/ios/app/weldequations/id1266859627)

**Features:** macOS Compatibility

**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 WeldEquations free?

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

### Is Mechanical Engineering Toolkit free?

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

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

Mechanical Engineering Toolkit shows ads; WeldEquations does not.

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

WeldEquations ships an update every 12 months, and Mechanical Engineering Toolkit weekly. Most recently, WeldEquations was updated on September 27, 2026 and Mechanical Engineering Toolkit on October 10, 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.*