# Sec MQTT Pub vs Hotmind Smart

The clearest difference is in-app purchases: Sec MQTT Pub at none against Hotmind Smart's 6. Hotmind Smart's advantage is update cadence (every 4 days vs every 28 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Hotmind Smart sells 6 in-app purchases, starting at $4.99 per month. Sec MQTT Pub asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sec MQTT Pub against 5.0 for Hotmind Smart. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Sec MQTT Pub ships an update every 28 months, Hotmind Smart every 4 days. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | Hotmind Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sec-mqtt-pub/id1554992163/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/hotmind-smart/id6777016138/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 69 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [AINET Ltd.](https://appshunter.io/developer/6777016140) |

## 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


### Hotmind Smart

[App page](https://appshunter.io/ios/app/hotmind-smart/id6777016138)

This app centralizes control for your smart companion devices. Set up devices, manage family access, create daily routines, and organize your home life with features like alarms, reminders, and meal planning.

**Highlights:** Manage supported smart devices, Create alarms, reminders, and checklists, Plan family routines and meals, Control e-ink display and AI artwork, Share device access with family, Adjust device settings remotely

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $4.99 | per month |
| Plus Monthly | $9.99 | per month |
| Premium Monthly | $19.99 | per month |
| Starter Annual | $49.99 | per year |
| Plus Annual | $99.99 | per year |
| Premium Annual | $199.99 | per year |


## Frequently asked questions

### Is Sec MQTT Pub free?

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

### Is Hotmind Smart free?

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

### Which has better reviews, Sec MQTT Pub or Hotmind Smart?

Sec MQTT Pub and Hotmind Smart are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Sec MQTT Pub or Hotmind Smart have ads?

Neither Sec MQTT Pub nor Hotmind Smart shows ads.

### Which is updated more often, Sec MQTT Pub or Hotmind Smart?

Sec MQTT Pub ships an update every 28 months, and Hotmind Smart every 4 days. Most recently, Sec MQTT Pub was updated on October 10, 2026 and Hotmind Smart 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.*