# jSecureWeb vs Sec MQTT Pub

The clearest difference is update cadence: jSecureWeb at weekly against Sec MQTT Pub's every 28 months. jSecureWeb also leads on iOS requirement (8.0 vs 14.0). 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.

jSecureWeb ships an update weekly, Sec MQTT Pub every 28 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | jSecureWeb | Sec MQTT Pub |
| --- | --- | --- |
| 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 | **Weekly** | Every 28 months |
| Monetization | — | Free |
| Size | 28 MB | 3 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JRSYS INTERNATIONAL CORP.](https://appshunter.io/developer/1070992847) | [Care Active Corp.](https://appshunter.io/developer/1739001802) |

## What reviewers say

### jSecureWeb

[App page](https://appshunter.io/ios/app/jsecureweb/id1165445005)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is jSecureWeb free?

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

### Is Sec MQTT Pub free?

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

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

Neither jSecureWeb nor Sec MQTT Pub shows ads.

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

jSecureWeb ships an update weekly, and Sec MQTT Pub every 28 months. Most recently, jSecureWeb was updated on September 19, 2026 and Sec MQTT Pub on September 8, 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.*