# Units Converter Total vs OwlCaller

The clearest difference is in-app purchases: OwlCaller at none against Units Converter Total's 1. Units Converter Total's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Units Converter Total sells 1 one-off in-app purchase. OwlCaller asks for nothing beyond the download.

## The numbers

| Metric | Units Converter Total | OwlCaller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 5 MB | 23 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Vu](https://appshunter.io/developer/888757091) | [MADS LINDEGAARD](https://appshunter.io/developer/6811129769) |

## What reviewers say

### Units Converter Total

[App page](https://appshunter.io/ios/app/units-converter-total/id6444490057)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### OwlCaller

[App page](https://appshunter.io/ios/app/owlcaller/id6811129767)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Units Converter Total free?

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

### Is OwlCaller free?

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

### Do Units Converter Total or OwlCaller have ads?

Neither Units Converter Total nor OwlCaller 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.*