# Sec MQTT Pub vs Sentence Embedding

The clearest difference is ads: Sec MQTT Pub at none against Sentence Embedding's shown. Sentence Embedding's advantage is update cadence (fortnightly vs every 28 months). On price, in-app purchases, device support and iOS requirement 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, Sentence Embedding fortnightly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sec MQTT Pub | Sentence Embedding |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 28 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 3 MB | 36 MB |
| Requires iOS | **14.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Care Active Corp.](https://appshunter.io/developer/1739001802) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## 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


### Sentence Embedding

[App page](https://appshunter.io/ios/app/sentence-embedding/id6673885843)

**Features:** macOS Compatibility

**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 Sentence Embedding free?

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

### Do Sec MQTT Pub or Sentence Embedding have ads?

Sentence Embedding shows ads; Sec MQTT Pub does not.

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

Sec MQTT Pub ships an update every 28 months, and Sentence Embedding fortnightly. Most recently, Sec MQTT Pub was updated on October 10, 2026 and Sentence Embedding 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.*