# Units vs PST to MBOX

The clearest difference is rating: PST to MBOX at 5.0 against Units's 4.4. Units's advantage is in-app purchases (none vs 2) and ratings volume (15 vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. PST to MBOX sells 2 in-app purchases, starting at $4.99 per 7 days. Units asks for nothing beyond the download.

PST to MBOX holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Units has 15 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Units | PST to MBOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/units-conversion-calculator/id6761082020/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pst-to-mbox/id6802479794/reviews)** |
| Number of ratings | **15** | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 33 MB | 17 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Matys Bouziane](https://appshunter.io/developer/1785637310) | [延平 陈](https://appshunter.io/developer/1833168926) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-conversion-calculator/id6761082020)

Instantly convert any unit with this comprehensive tool. It offers 57 categories, built-in calculators for finance and health, and size lookup tables for clothing and hardware. Enjoy offline functionality and a clean, ad-free experience.

**Highlights:** 57 conversion categories, Built-in calculators (currency, finance, health), Size lookup tables, Offline functionality, Conversion history, Favorites, Multi-language support

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

**In-app purchases:** none


### PST to MBOX

[App page](https://appshunter.io/ios/app/pst-to-mbox/id6802479794)

Easily access and convert emails from PST files. Export your mailbox to MBOX, save important messages as PDF, or extract data to CSV. Browse and select specific emails or entire folders for conversion.

**Highlights:** Convert PST to MBOX, Save emails as PDF, Export email data to CSV, Browse mailbox content, Select specific emails or folders, Simple step-by-step process

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Lifetime Access | $34.99 | one-time |


## Frequently asked questions

### Is Units free?

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

### Is PST to MBOX free?

PST to MBOX is free to download, with in-app purchases available.

### Which has better reviews, Units or PST to MBOX?

PST to MBOX is rated higher. Units averages 4.4 out of 5 from 15 ratings, while PST to MBOX averages 5.0 from 3 ratings.

### Do Units or PST to MBOX have ads?

Neither Units nor PST to MBOX shows ads.

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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.*