Bluefruit Connect 4+

Adafruit Industries

Designed for iPad

    • 4.2 • 18 Ratings
    • Free


Wirelessly connect your iOS device to Adafruit Bluefruit LE modules for control & communication with your projects.

• Send iOS sensor & GPS data wirelessly over Bluetooth LE (Continued use of GPS running in the background can dramatically decrease battery life)
• Control Pad for simple directional control of your projects
• Control Arduino Digital, Analog, & PWM pin input & output
• Send & receive messages via UART monitor in Hex or ASCII format
• Send & receive messages via CircuitPython REPL
• Control NeoPixels individually with an interactive color picker
• Scan & list nearby Bluetooth LE peripherals with RSSI and Advertisement data
• Connect & List peripheral Services & Characteristics in Info mode
• Serial Plotter to plot numeric data graphically
• Multiple simultaneous connections (UART and Serial Plotter only)
• Send Images via UART
• Update your Bluefruit device to the latest firmware version from within the app
• Use Apple Watch to control Bluefruit with Color Picker & Control Pad

Learn more about Adafruit Bluefruit LE at:

What’s New

Version 3.7.0

Added support for CircuitPython REPL
Added support for discovering peripherals that are connected before the apps is started
General improvements and bug fixes

Ratings and Reviews

4.2 out of 5
18 Ratings

18 Ratings

bob8435 ,

Uart issue

The uart interface ignores carriage returns and line feeds sent to the phone, please fix! ,

Just what I needed

I mainly got this for the resistor codes but I have no doubt I'll put the other tools to use too. It's a nice little app and I'm happy to support Adafruit software!

Denzel Washington Jr ,

Mad good

Fire, shoutout p4 Robotics

App Privacy

The developer, Adafruit Industries, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

More By This Developer

Circuit Playground
Bluefruit Playground
Adafruit AR
Adafruit Stickers
Geocaching Datalogger
Developer Tools

You Might Also Like

Bluetooth for Arduino
nRF Toolbox
nRF Connect for Mobile
Blynk IoT
Arduino IoT Cloud Remote
Dabble - Bluetooth Controller