# Unit Converter vs Password Studio

The clearest difference is ratings volume: Unit Converter at 18 against Password Studio's 3. On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Unit Converter against 5.0 for Password Studio. That said, the two scores are not equally well evidenced: Unit Converter has 18 ratings behind it against 3, so its average is the more settled of the two.

Unit Converter ships an update weekly, Password Studio every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Unit Converter | Password Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/unit-converter-scientific/id6692634387/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/password-studio/id6791386169/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Burak Albayrak](https://appshunter.io/developer/1769045837) | [Ananke Tech LLC](https://appshunter.io/developer/6780282750) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-scientific/id6692634387)

Easily perform instant unit conversions across a vast array of categories, from engineering to everyday life. Features include dark mode, favorites, and dual language support for enhanced usability. Ideal for scientists, engineers, students, and anyone needing quick, accurate conversions.

**Highlights:** Extensive conversion categories, Dark mode for night use, Favorite frequently used conversions, Dual language support, Offline functionality, User feedback option

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

**In-app purchases:** none


### Password Studio

[App page](https://appshunter.io/ios/app/password-studio/id6791386169)

Effortlessly generate strong, memorable passwords and passphrases using custom words or curated lists. Offers three generation modes and extensive customization options for length, characters, and symbols. Prioritizes privacy with on-device generation and no account or cloud storage.

**Highlights:** Three password generation modes, Customizable password length and characters, Memorable passphrase generation, Real-time password strength indicator, One-tap copy to clipboard, On-device privacy, Modern, simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is Password Studio free?

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

### Which has better reviews, Unit Converter or Password Studio?

Password Studio is rated higher. Unit Converter averages 4.9 out of 5 from 18 ratings, while Password Studio averages 5.0 from 3 ratings.

### Do Unit Converter or Password Studio have ads?

Neither Unit Converter nor Password Studio shows ads.

### Which is updated more often, Unit Converter or Password Studio?

Unit Converter ships an update weekly, and Password Studio every 4 days. Most recently, Unit Converter was updated on October 24, 2026 and Password Studio on October 24, 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.*