# Sec MQTT Pub vs Netvox NFC

The clearest difference is update cadence: Netvox NFC at monthly 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, Netvox NFC monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | Netvox NFC |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 14 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [Netvox Technology Co., Ltd.](https://appshunter.io/developer/406778403) |

## 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


### Netvox NFC

[App page](https://appshunter.io/ios/app/netvox-nfc/id6742123541)

**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 Netvox NFC free?

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

### Do Sec MQTT Pub or Netvox NFC have ads?

Neither Sec MQTT Pub nor Netvox NFC shows ads.

### Which is updated more often, Sec MQTT Pub or Netvox NFC?

Sec MQTT Pub ships an update every 28 months, and Netvox NFC monthly. Most recently, Sec MQTT Pub was updated on November 3, 2026 and Netvox NFC on October 30, 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.*