# API Usage vs Headroom by Kyle Zantos

API Usage and Headroom by Kyle Zantos are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | API Usage | Headroom by Kyle Zantos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 5 MB | 22 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Barolo AI](https://appshunter.io/developer/1896727788) | [Kyle Zantos](https://appshunter.io/developer/6787519786) |

## What reviewers say

### API Usage

[App page](https://appshunter.io/ios/app/api-usage/id6770253168)

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

**In-app purchases:** none


### Headroom by Kyle Zantos

[App page](https://appshunter.io/ios/app/headroom-by-kyle-zantos/id6787519784)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is API Usage free?

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

### Is Headroom by Kyle Zantos free?

Headroom by Kyle Zantos is free to download, with no in-app purchases.

### Do API Usage or Headroom by Kyle Zantos have ads?

Neither API Usage nor Headroom by Kyle Zantos 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.*