# Mechanical Engineering Toolkit vs My Password Vault

The clearest difference is ads: My Password Vault at none against Mechanical Engineering Toolkit's shown. My Password Vault also leads on rating (5.0 vs 4.8). Mechanical Engineering Toolkit's advantage is ratings volume (64 vs 1) and monetization model (ad-supported vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Mechanical Engineering Toolkit sells 1 one-off in-app purchase and My Password Vault sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

My Password Vault holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Mechanical Engineering Toolkit has 64 ratings behind it against 1, so its average is the more settled of the two.

Mechanical Engineering Toolkit ships an update every 8 days, My Password Vault weekly. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Toolkit | My Password Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (64 ratings)](https://appshunter.io/ios/app/mechanical-engineering-toolkit/id1601099443/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/my-password-vault/id6776333649/reviews)** |
| Number of ratings | **64** | 1 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 38 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [SKYFACE, LLC.](https://appshunter.io/developer/1865822910) |

## 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 |


### My Password Vault

[App page](https://appshunter.io/ios/app/my-password-vault/id6776333649)

Securely manage your passwords with this local-first password manager. It offers AES-GCM-256 encryption, optional cloud sync, and built-in TOTP for two-factor authentication. A free tier is available with limitations, and a lifetime PRO option unlocks unlimited entries.

**Highlights:** Local-first password management, AES-GCM-256 encryption, Optional cloud sync, Built-in TOTP, Spreadsheet-simple vault, Cross-device sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Password Vault | $4.99 | one-time |


## Frequently asked questions

### Is Mechanical Engineering Toolkit free?

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

### Is My Password Vault free?

My Password Vault is free to download, with in-app purchases available.

### Which has better reviews, Mechanical Engineering Toolkit or My Password Vault?

My Password Vault is rated higher. Mechanical Engineering Toolkit averages 4.8 out of 5 from 64 ratings, while My Password Vault averages 5.0 from 1 ratings.

### Do Mechanical Engineering Toolkit or My Password Vault have ads?

Mechanical Engineering Toolkit shows ads; My Password Vault does not.

### Which is updated more often, Mechanical Engineering Toolkit or My Password Vault?

Mechanical Engineering Toolkit ships an update every 8 days, and My Password Vault weekly. Most recently, Mechanical Engineering Toolkit was updated on September 24, 2026 and My Password Vault on September 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.*