# FMS Admin Controller vs Hidden Device Detector Privacy

The clearest difference is in-app purchases: FMS Admin Controller at none against Hidden Device Detector Privacy's 2. FMS Admin Controller also leads on iOS requirement (12.2 vs 17.6). Hidden Device Detector Privacy's advantage is update cadence (daily vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Hidden Device Detector Privacy sells 2 in-app purchases, starting at $4.99 per 7 days. FMS Admin Controller asks for nothing beyond the download.

FMS Admin Controller ships an update every 10 days, Hidden Device Detector Privacy daily. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | FMS Admin Controller | Hidden Device Detector Privacy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Size | 82 MB | 8 MB |
| Requires iOS | **12.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1-More-Thing Group SPRL](https://appshunter.io/developer/1161485530) | [鹏 李](https://appshunter.io/developer/1817671603) |

## What reviewers say

### FMS Admin Controller

[App page](https://appshunter.io/ios/app/fms-admin-controller/id1385379569)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hidden Device Detector Privacy

[App page](https://appshunter.io/ios/app/hidden-device-detector-privacy/id6752509604)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $24.99 | per year |


## Frequently asked questions

### Is FMS Admin Controller free?

FMS Admin Controller is free to download, with no in-app purchases.

### Is Hidden Device Detector Privacy free?

Hidden Device Detector Privacy is free to download, with in-app purchases available.

### Do FMS Admin Controller or Hidden Device Detector Privacy have ads?

Neither FMS Admin Controller nor Hidden Device Detector Privacy shows ads.

### Which is updated more often, FMS Admin Controller or Hidden Device Detector Privacy?

FMS Admin Controller ships an update every 10 days, and Hidden Device Detector Privacy daily. Most recently, FMS Admin Controller was updated on October 3, 2026 and Hidden Device Detector Privacy on October 9, 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.*