# Cortexia vs Spyf

The clearest difference is in-app purchases: Cortexia at none against Spyf's 4. Cortexia also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Spyf sells 4 in-app purchases, starting at $8.99 per 7 days. Cortexia asks for nothing beyond the download.

Cortexia ships an update every 3 months, Spyf every 5 months. The most recent releases landed on May 13, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Cortexia | Spyf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spyf-hidden-device-detector/id6747833847/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 49 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cortexia SA](https://appshunter.io/developer/1463563853) | [Sarah Davis](https://appshunter.io/developer/1823043379) |

## What reviewers say

### Cortexia

[App page](https://appshunter.io/ios/app/cortexia/id1463563854)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spyf

[App page](https://appshunter.io/ios/app/spyf-hidden-device-detector/id6747833847)

Scan your surroundings for wireless activity and hidden electronics. Detect nearby Wi-Fi and Bluetooth devices, and use your phone's camera for infrared scanning to enhance privacy in public spaces. Review scan history to track changes over time.

**Highlights:** Wi-Fi and Bluetooth scanning, Infrared scanning with phone camera, Real-time monitoring, Device history and saved results, Ad-free Pro experience, IP tracking

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Device Detector App · | $8.99 | per 7 days |
| Hidden Device Detector App · | $8.99 | per 7 days |
| Hidden Device Detector App · | $14.99 | per month |
| Hidden Device Detector App · | $15.99 | per month |


## Frequently asked questions

### Is Cortexia free?

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

### Is Spyf free?

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

### Do Cortexia or Spyf have ads?

Spyf shows ads; Cortexia does not.

### Which is updated more often, Cortexia or Spyf?

Cortexia ships an update every 3 months, and Spyf every 5 months. Most recently, Cortexia was updated on May 13, 2026 and Spyf on September 7, 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.*