# ACE Flight Data vs Unit Converter

The clearest difference is in-app purchases: Unit Converter at none against ACE Flight Data's 1. Unit Converter also leads on iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ACE Flight Data sells 1 in-app purchase, starting at $8.99 per month. Unit Converter asks for nothing beyond the download.

## The numbers

| Metric | ACE Flight Data | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 20 MB | 21 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Michalina](https://appshunter.io/developer/1823351786) | [Magespider Infoweb](https://appshunter.io/developer/1290656147) |

## What reviewers say

### ACE Flight Data

[App page](https://appshunter.io/ios/app/ace-flight-data/id6749383645)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ACE FlightData Pro Monthly | $8.99 | per month |


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-fast-and-simple/id6756556217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACE Flight Data free?

ACE Flight Data is free to download, with in-app purchases available.

### Is Unit Converter free?

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

### Do ACE Flight Data or Unit Converter have ads?

Neither ACE Flight Data nor Unit Converter 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.*