Pioneer Airlink is a free iPhone app developed by Parker Davis HVAC International Inc. It falls under the Utilities & Tools category and offers users complete control over their mini split heat pump systems. With this app, users can toggle between different modes, adjust the temperature, turn the machine on/off, and set custom programming and schedules.

One of the key features of Pioneer Airlink is its ability to configure multiple systems in one convenient app. Users can easily access and control all their mini split heat pump systems from a single interface. Additionally, the app supports synchronization with smart home assistants like Alexa and Google Home, allowing users to control their systems using voice commands.

It's worth noting that the app requires the purchase of a WiFi controller, which is sold separately online. This controller enables the wireless connectivity between the app and the mini split heat pump system.

Overall, Pioneer Airlink offers a convenient and user-friendly solution for managing mini split heat pump systems, providing complete control and customization options.