# StealthOp vs KNX Inspector

The clearest difference is in-app purchases: StealthOp at none against KNX Inspector's 1. On price, ads, monetization model and device support there is nothing between them.

Both are free to download. KNX Inspector sells 1 one-off in-app purchase. StealthOp asks for nothing beyond the download.

## The numbers

| Metric | StealthOp | KNX Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stealthop-secure-pgp-messages/id6740215870/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grey LLC](https://appshunter.io/developer/1597606243) | [Kurenz Music GbR](https://appshunter.io/developer/544695186) |

## What reviewers say

### StealthOp

[App page](https://appshunter.io/ios/app/stealthop-secure-pgp-messages/id6740215870)

This app allows you to hide encrypted text messages and images within seemingly normal text. It uses advanced zero-width character technology and military-grade encryption to ensure your communications are invisible and secure.

**Highlights:** Hide encrypted text messages, Embed encrypted images in text, Zero-width character steganography, RSA 2048-bit encryption, Dual contact system with QR key exchange, Automatic detection of hidden content, End-to-end encryption

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

**In-app purchases:** none


### KNX Inspector

[App page](https://appshunter.io/ios/app/knx-inspector/id6764353992)

This professional tool analyzes and diagnoses KNX/IP installations. It connects to gateways, monitors real-time telegrams, checks group addresses, and compares live data with imported projects for troubleshooting and documentation.

**Highlights:** Real-time KNX/IP telegram monitoring, Group address checking and analysis, Physical device address scanning, Live data comparison with ETS projects, Bus alarm for targeted monitoring, KNX data type testing, Export for documentation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KNX Inspector Pro | $24.99 | one-time |


## Frequently asked questions

### Is StealthOp free?

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

### Is KNX Inspector free?

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

### Do StealthOp or KNX Inspector have ads?

Neither StealthOp nor KNX Inspector shows ads.

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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.*