# Hidden Device Detector Privacy vs Helm

The clearest difference is update cadence: Hidden Device Detector Privacy at daily against Helm's every 2 months. On price, ads, in-app purchases 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 and Helm sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hidden Device Detector Privacy ships an update daily, Helm every 2 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Hidden Device Detector Privacy | Helm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 8 MB | 28 MB |
| Requires iOS | 17.6 | **17** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鹏 李](https://appshunter.io/developer/1817671603) | [Cappsule Teknoloji](https://appshunter.io/developer/1676687521) |

## What reviewers say

### 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 |


### Helm

[App page](https://appshunter.io/ios/app/helm-mac-remote-controller/id6761204919)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Helm Pro | $4.99 | one-time |


## Frequently asked questions

### Is Hidden Device Detector Privacy free?

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

### Is Helm free?

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

### Do Hidden Device Detector Privacy or Helm have ads?

Neither Hidden Device Detector Privacy nor Helm shows ads.

### Which is updated more often, Hidden Device Detector Privacy or Helm?

Hidden Device Detector Privacy ships an update daily, and Helm every 2 months. Most recently, Hidden Device Detector Privacy was updated on October 9, 2026 and Helm on October 3, 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.*