# Sec MQTT Pub vs SuperPass

The clearest difference is in-app purchases: Sec MQTT Pub at none against SuperPass's 3. Sec MQTT Pub also leads on ads (none vs shown). SuperPass's advantage is update cadence (every 2 months vs every 28 months) and iOS requirement (11.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. SuperPass sells 3 in-app purchases, starting at $0.99 per 7 days. Sec MQTT Pub asks for nothing beyond the download.

Sec MQTT Pub ships an update every 28 months, SuperPass every 2 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | SuperPass |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 42 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [武 唐](https://appshunter.io/developer/1552524782) |

## 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


### SuperPass

[App page](https://appshunter.io/ios/app/superpass/id1563522553)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1周VIP | $0.99 | per 7 days |
| 1个月VIP | $2.49 | per month |
| 1年VIP | $9.99 | per year |


## Frequently asked questions

### Is Sec MQTT Pub free?

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

### Is SuperPass free?

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

### Do Sec MQTT Pub or SuperPass have ads?

SuperPass shows ads; Sec MQTT Pub does not.

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

Sec MQTT Pub ships an update every 28 months, and SuperPass every 2 months. Most recently, Sec MQTT Pub was updated on October 10, 2026 and SuperPass on October 6, 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.*