# Sec MQTT Pub vs Dash IoT

The clearest difference is in-app purchases: Sec MQTT Pub at none against Dash IoT's 7. Dash IoT's advantage is update cadence (every 2 months vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dash IoT sells 7 in-app purchases, starting at $14.49 per month. Sec MQTT Pub asks for nothing beyond the download.

Sec MQTT Pub ships an update every 28 months, Dash IoT every 2 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | Dash IoT |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 21 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [DashIO Connect](https://appshunter.io/developer/1574116691) |

## 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


### Dash IoT

[App page](https://appshunter.io/ios/app/dash-iot/id1574116689)

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gemini 25 | $14.49 | per month |
| Mercury 5 | $24.99 | per year |
| Gemini 50 | $26.90 | per month |
| Gemini 100 | $51.99 | per month |
| Gemini 10 | $58.00 | per year |
| Mercury 15 | $68.00 | per year |
| Gemini 25 | $134.99 | per year |


## Frequently asked questions

### Is Sec MQTT Pub free?

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

### Is Dash IoT free?

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

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

Neither Sec MQTT Pub nor Dash IoT shows ads.

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

Sec MQTT Pub ships an update every 28 months, and Dash IoT every 2 months. Most recently, Sec MQTT Pub was updated on October 10, 2026 and Dash IoT on October 24, 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.*