# Mechanical Engineering Toolkit vs TPM Managment

The clearest difference is in-app purchases: TPM Managment at none against Mechanical Engineering Toolkit's 1. TPM Managment also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Mechanical Engineering Toolkit's advantage is update cadence (weekly vs every 15 months). On price and device support there is nothing between them.

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

Mechanical Engineering Toolkit ships an update weekly, TPM Managment every 15 months. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Toolkit | TPM Managment |
| --- | --- | --- |
| 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 | **Weekly** | Every 15 months |
| Monetization | Ad-supported | — |
| Size | 43 MB | 49 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [华林 谭](https://appshunter.io/developer/1585622300) |

## What reviewers say

### 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 |


### TPM Managment

[App page](https://appshunter.io/ios/app/tpm-managment/id6504080999)

**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 TPM Managment free?

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

### Do Mechanical Engineering Toolkit or TPM Managment have ads?

Mechanical Engineering Toolkit shows ads; TPM Managment does not.

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

Mechanical Engineering Toolkit ships an update weekly, and TPM Managment every 15 months. Most recently, Mechanical Engineering Toolkit was updated on October 16, 2026 and TPM Managment on September 23, 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.*