# ZinModulator ISDB vs Spyf

The clearest difference is in-app purchases: ZinModulator ISDB at none against Spyf's 4. ZinModulator ISDB also leads on ads (none vs shown). On price, 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. ZinModulator ISDB asks for nothing beyond the download.

## The numbers

| Metric | ZinModulator ISDB | 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 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 49 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZINWELL CORPORATION](https://appshunter.io/developer/1019370251) | [Sarah Davis](https://appshunter.io/developer/1823043379) |

## What reviewers say

### ZinModulator ISDB

[App page](https://appshunter.io/ios/app/zinmodulator-isdb-t/id6743151595)

**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 ZinModulator ISDB free?

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

### Is Spyf free?

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

### Do ZinModulator ISDB or Spyf have ads?

Spyf shows ads; ZinModulator ISDB does not.

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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.*