# API Matrix vs API Key Manager

The clearest difference is in-app purchases: API Matrix at none against API Key Manager's 2. API Matrix also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. API Key Manager sells 2 in-app purchases, starting at $1.99 per month. API Matrix asks for nothing beyond the download.

API Matrix ships an update every 5 days, API Key Manager every 5 weeks. Both last shipped on October 9, 2026.

## The numbers

| Metric | API Matrix | API Key Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Size | 50 MB | 2 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Chi Hin Lio](https://appshunter.io/developer/1896516878) | [Kai Natori](https://appshunter.io/developer/6791522879) |

## What reviewers say

### API Matrix

[App page](https://appshunter.io/ios/app/api-matrix/id6779679646)

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

**In-app purchases:** none


### API Key Manager

[App page](https://appshunter.io/ios/app/api-key-manager-secure-vault/id6802492370)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Annual Pro | $19.99 | per year |


## Frequently asked questions

### Is API Matrix free?

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

### Is API Key Manager free?

API Key Manager is free to download, with in-app purchases available.

### Do API Matrix or API Key Manager have ads?

Neither API Matrix nor API Key Manager shows ads.

### Which is updated more often, API Matrix or API Key Manager?

API Matrix ships an update every 5 days, and API Key Manager every 5 weeks. Most recently, API Matrix was updated on October 9, 2026 and API Key Manager on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*