# Sec MQTT Pub — TLS X.509 MQTT Publisher

> Secure MQTT client for IoT devices with X.509 authentication and AES-128 encryption. (iPhone/iPad app by Care Active Corp..)

- Source: https://appshunter.io/ios/app/sec-mqtt-pub/id1554992163 (this page in markdown: same URL + `.md`)
- Developer: [Care Active Corp.](https://appshunter.io/developer/1739001802)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 14.0 · 3 MB
- Languages: American English
- Released: 2021-05-11
- Data updated: 2026-07-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sec-mqtt-pub/id1554992163/reviews.md

## What is Sec MQTT Pub?

TLS IoT is an open-source end-to-end secured MQTTs client to communicate with your IoT device securely. The client supports the following features:

    • Use only X.509 to authenticate and secure the communication
    • Support Root CA authentication
    • AES-128 encryption to prevent the middle-man attack
    • Support Face ID / Touch ID

You can define up to 4 buttons with customized messages and topics. TLS IoT tool is a secured and easy-to-use app. If you are looking for a highly secured MQTT tool for your IoT project, this app is for you. For more information about this project, including the source code and demos, please visit our project site:

https://github.com/tracmo/open-tls-iot-client

## Key features

- X.509 authentication
- Root CA authentication support
- AES-128 encryption
- Face ID / Touch ID support
- Customizable buttons for messages and topics
- Open-source project


## Frequently asked questions about Sec MQTT Pub

### What is Sec MQTT Pub used for?

Sec MQTT Pub is an open-source MQTT client designed for secure communication with IoT devices. It utilizes X.509 authentication and AES-128 encryption to protect your data.

### How does Sec MQTT Pub secure communication?

It employs X.509 certificates for authentication and AES-128 encryption to prevent man-in-the-middle attacks, ensuring end-to-end security for your IoT data.

### Can I customize messages and topics in Sec MQTT Pub?

Yes, you can define up to 4 buttons, each with customized messages and associated MQTT topics, allowing for flexible control of your IoT device interactions.

### Does Sec MQTT Pub support biometric authentication?

Yes, Sec MQTT Pub supports biometric authentication methods such as Face ID and Touch ID, adding an extra layer of security and convenience for accessing the app.

### Is Sec MQTT Pub available on multiple devices?

Sec MQTT Pub is currently supported on iPhones and iPods, providing a secure MQTT solution for users on these Apple devices.

### What is the update frequency for Sec MQTT Pub?

The app was last updated on January 8, 2026, indicating a recent update. The developer, Care Active Corp., provides this open-source utility.

### What is the age rating for Sec MQTT Pub?

Sec MQTT Pub has an age rating of 4+, making it suitable for a wide range of users interested in IoT development and secure communication.

### Where can I find more information or the source code for Sec MQTT Pub?

More information, including the source code and demos, can be found on the project's GitHub site at https://github.com/tracmo/open-tls-iot-client.

## Version history (last 3 releases)

### 2.1.0 — 2026-01-08

- Fixed Cross-Phone Tag Security Vulnerability via QR Code Import.
- Strengthened Biometric Authentication by Addressing Bypass Timing.

### 2.0 — 2026-01-07

- Added NFC tag support for triggering actions
 - After migrating to a new App Store team, keychain-stored configurations (such as certificates and provisioning profiles) may be lost. Please reconfigure your signing settings if needed.

### 1.0 — 2021-05-12

No release notes.

## Apps similar to Sec MQTT Pub

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TLS Inspector](https://appshunter.io/ios/app/tls-inspector/id1100539810) | 4.8 (256) | Free | Utilities |
| [Visual Home](https://appshunter.io/ios/app/visual-home/id1347968525) | 1.0 (1) | Free | Utilities |
| [Dash IoT](https://appshunter.io/ios/app/dash-iot/id1574116689) | — | Free | Utilities |
| [MQTT Loupe](https://appshunter.io/ios/app/mqtt-loupe/id1617148458) | — | Free | Utilities |
| [MQTT Loupe Pro](https://appshunter.io/ios/app/mqtt-loupe-pro/id1621322612) | 5.0 (1) | $1.99 | Utilities |
| [EMQTT](https://appshunter.io/ios/app/emqtt/id6738082920) | — | Free | Utilities |

## More apps by Care Active Corp.

- [Station Tool](https://appshunter.io/ios/app/station-tool/id1437868319)
- [Care Active](https://appshunter.io/ios/app/care-active/id1591088198)

All apps by Care Active Corp.: https://appshunter.io/developer/1739001802

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*