# Dev Tool box vs API Key Manager

The clearest difference is in-app purchases: Dev Tool box at none against API Key Manager's 2. API Key Manager's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Dev Tool box ships an update every 3 weeks, API Key Manager every 5 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Dev Tool box | API Key Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 4 MB | 2 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, Mac |
| Age rating | 4+ | +4 |
| Developer | [Seonggon Sim](https://appshunter.io/developer/1565259950) | [Kai Natori](https://appshunter.io/developer/6791522879) |

## What reviewers say

### Dev Tool box

[App page](https://appshunter.io/ios/app/dev-tool-box-developer-tools/id6749840624)

**Features:** 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 Dev Tool box free?

Dev Tool box 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 Dev Tool box or API Key Manager have ads?

Dev Tool box shows ads; API Key Manager does not.

### Which is updated more often, Dev Tool box or API Key Manager?

Dev Tool box ships an update every 3 weeks, and API Key Manager every 5 weeks. Most recently, Dev Tool box was updated on October 28, 2026 and API Key Manager on October 25, 2026.

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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.*