--- title: "MQTT Spy — App Overview" url: https://marlvel.ai/apps/com-mightyit-mqtt-spy category: Developer Tools developer: Gopi Gadhiya platforms: ios rating: 4.0 (1 ratings) pricing: paid report_level: overview generated: 2026-04-23 last_verified: "2026-04-23T20:31:49.118Z" --- > **Key Insight:** This is a specialized utility for testing and controlling MQTT-enabled IoT hardware directly from a mobile device. | Metric | Value | |--------|-------| | Category | Developer Tools | | Rating | 4.0 ★ (1) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.3 | | Developer | Gopi Gadhiya | ## What is MQTT Spy? MQTT Spy is a developer tool designed for testing MQTT pub/sub protocols and managing IoT devices. It allows users to establish broker connections, monitor sensor data, and automate messaging through custom publishing controls. ## Key Features - **Broker Management**: Users can save and manage a list of MQTT broker connections for quick access. - **Data Publishing and Subscription**: Provides separate panels for subscribing to topics and publishing data in either ASCII or HEX formats. - **Automation Tools**: Supports custom buttons for frequent publishing and automated command execution at timed intervals. - **Logging and Configuration**: Includes options to export logs of published and subscribed data and configure line-ending characters. ## Who is it for? IoT developers and engineers requiring a mobile interface for MQTT protocol testing and device monitoring. ## Links - [App Store](https://apps.apple.com/us/app/mqtt-spy/id1564422794?uo=2) - [Full Intelligence Report](https://marlvel.ai/apps/com-mightyit-mqtt-spy) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-mightyit-mqtt-spy).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*