# Mechanical Engineering Toolkit vs Mech Edge

The clearest difference is in-app purchases: Mech Edge at none against Mechanical Engineering Toolkit's 1. Mech Edge also leads on ads (none vs shown). Mechanical Engineering Toolkit's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price and update cadence there is nothing between them.

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

Mechanical Engineering Toolkit ships an update every 5 days, Mech Edge every 3 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Toolkit | Mech Edge |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [Eric Pelto](https://appshunter.io/developer/6813287019) |

## What reviewers say

### Mechanical Engineering Toolkit

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

This professional engineering calculator provides instant results for students, researchers, and practicing engineers. It offers detailed calculation steps, formulas, diagrams, and unit conversions. Save inputs as projects and export results in various formats.

**Highlights:** Engineering equations and formulas, Step-by-step calculation breakdowns, SI and Imperial unit conversions, Save and export results (text, image, CSV, PDF), Offline functionality, Extensive library of engineering tools

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

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


### Mech Edge

[App page](https://appshunter.io/ios/app/mech-edge/id6813287017)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Engineering Toolkit free?

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

### Is Mech Edge free?

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

### Do Mechanical Engineering Toolkit or Mech Edge have ads?

Mechanical Engineering Toolkit shows ads; Mech Edge does not.

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

Mechanical Engineering Toolkit ships an update every 5 days, and Mech Edge every 3 days. Most recently, Mechanical Engineering Toolkit was updated on October 30, 2026 and Mech Edge on October 29, 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.*