# Sec MQTT Pub vs IoT Central

The clearest difference is update cadence: IoT Central at weekly against Sec MQTT Pub's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sec MQTT Pub ships an update every 28 months, IoT Central weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | IoT Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sec-mqtt-pub/id1554992163/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Weekly** |
| Monetization | Free | — |
| Size | 3 MB | 32 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [Rahul Kundu](https://appshunter.io/developer/1707792906) |

## What reviewers say

### Sec MQTT Pub

[App page](https://appshunter.io/ios/app/sec-mqtt-pub/id1554992163)

This app provides a secure MQTT client for communicating with IoT devices using X.509 authentication and AES-128 encryption. It allows for customized messages and topics, offering a robust solution for secure IoT project communication.

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

**In-app purchases:** none


### IoT Central

[App page](https://appshunter.io/ios/app/iot-central/id6497954314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sec MQTT Pub free?

Sec MQTT Pub is free to download, with no in-app purchases.

### Is IoT Central free?

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

### Do Sec MQTT Pub or IoT Central have ads?

Neither Sec MQTT Pub nor IoT Central shows ads.

### Which is updated more often, Sec MQTT Pub or IoT Central?

Sec MQTT Pub ships an update every 28 months, and IoT Central weekly. Most recently, Sec MQTT Pub was updated on October 10, 2026 and IoT Central on October 25, 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.*