A modern event-driven Objective-C client library for MQTT 3.1 on iOS.
MQTTKit is an Objective-C client library that implements the MQTT 3.1 messaging protocol for iOS applications. It allows developers to easily integrate lightweight publish/subscribe messaging into their apps, enabling communication with MQTT brokers for IoT and real-time data scenarios. The library wraps the Mosquitto C library to provide a native Objective-C API.
iOS developers building applications that require MQTT-based messaging, particularly in IoT, home automation, or real-time monitoring contexts.
Developers choose MQTTKit for its straightforward Objective-C API that simplifies MQTT integration compared to lower-level C libraries, and its event-driven design that fits naturally with iOS development patterns.
MQTT Objective-C client for iOS
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Uses callback-based architecture for MQTT events like message reception, fitting naturally with iOS's asynchronous patterns and simplifying real-time handling.
Implements standard MQTT 3.1 features including QoS levels and retained messages, ensuring reliable publish/subscribe communication for IoT scenarios.
Provides straightforward methods for connecting, publishing, and subscribing, abstracting the complexity of the underlying Mosquitto C library.
Built on Mosquitto 1.2.3, a proven and reliable C library, which offers a solid backend for MQTT communication.
The project is officially unmaintained since 2015, as stated in the README, meaning no bug fixes, security patches, or updates for newer iOS versions.
Only supports MQTT 3.1, lacking features from MQTT 3.1.1 or 5.0, such as improved error handling or session management, which may be required for modern applications.
Designed solely for Objective-C, making integration cumbersome for Swift-centric projects and requiring bridging headers that add complexity.