# Unit Converter vs BBStelnet

The clearest difference is ads: Unit Converter at none against BBStelnet's shown. Unit Converter also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Unit Converter sells 2 in-app purchases, starting at $2.49 per month and BBStelnet sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Unit Converter | BBStelnet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Size | 17 MB | 12 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Vijay Jasoliya](https://appshunter.io/developer/1690525119) | [Hsu Chia-cheng](https://appshunter.io/developer/1618067024) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-universal-app/id6751807179)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.49 | per month |
| Yearly Subscription | $21.00 | per year |


### BBStelnet

[App page](https://appshunter.io/ios/app/bbstelnet/id6766363420)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Key Cells +10 | $0.99 | one-time |
| Station Slots +5 | $0.99 | one-time |
| BBStelnet Pro | $9.99 | one-time |


## Frequently asked questions

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Is BBStelnet free?

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

### Do Unit Converter or BBStelnet have ads?

BBStelnet shows ads; Unit Converter does not.

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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.*