# Kingpin KP400A Control System vs AI Detector

The clearest difference is in-app purchases: Kingpin KP400A Control System at none against AI Detector's 3. AI Detector's advantage is update cadence (every 5 months vs every 26 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. AI Detector sells 3 in-app purchases, starting at $2.99 per 7 days. Kingpin KP400A Control System asks for nothing beyond the download.

Kingpin KP400A Control System ships an update every 26 months, AI Detector every 5 months. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Kingpin KP400A Control System | AI Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 months** |
| Size | 22 MB | 75 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kingpin Screens](https://appshunter.io/developer/1754549644) | [Appiverse Studio LLP](https://appshunter.io/developer/1809724545) |

## What reviewers say

### Kingpin KP400A Control System

[App page](https://appshunter.io/ios/app/kingpin-kp400a-control-system/id6504996688)

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

**In-app purchases:** none


### AI Detector

[App page](https://appshunter.io/ios/app/ai-detector-ai-checker-tool/id6748720809)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $2.99 | per 7 days |
| Weekly free trail Subscription | $4.99 | per 7 days |
| Yearly Premium Subscription | $39.99 | per year |


## Frequently asked questions

### Is Kingpin KP400A Control System free?

Kingpin KP400A Control System is free to download, with no in-app purchases.

### Is AI Detector free?

AI Detector is free to download, with in-app purchases available.

### Do Kingpin KP400A Control System or AI Detector have ads?

Neither Kingpin KP400A Control System nor AI Detector shows ads.

### Which is updated more often, Kingpin KP400A Control System or AI Detector?

Kingpin KP400A Control System ships an update every 26 months, and AI Detector every 5 months. Most recently, Kingpin KP400A Control System was updated on October 16, 2026 and AI Detector on September 23, 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.*