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To download LightBlue from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.


By Punch Through

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LightBlue can test all of your devices that use Bluetooth 4.0 Low Energy (also known as Bluetooth Smart, or Bluetooth Light).

Full support of read, write, and notify is included.

Use this to test your new BLE Heart Rate Monitor, temperature sensor, TI CC2540 Keyfob, Nordic uBlue, Panasonic PAN1720, etc.

Developers can use LightBlue to test the hardware or firmware of their BTLE peripherals.

Key Features:
- Scan for any peripherals
- Browse Characteristics and Services
- Register for Notifications
- Read Services
- Write Services in Hex or Ascii

What's New in Version 1.2

- Added RSSI for connected peripherals
- Fixed subscribe button issue
- Improved window resizing
- Bug fixes


Screenshot 1

Customer Reviews

Good tool for bluetooth low energy sensor development

This is a solid, basic tool that was able to pinpoint a problem in a bluetooth low energy communication link. Big help in determining that a BLE112 development board was working, and that the problem was in my data format. The write services in hex or ascii are key for troubleshooting. Used on a 2011 MacBook Air with integrated BT 4.0 where the built-in bluetooth software had not been discovering my low energy BT devices.


I lost my Fitbit and was able to sync, so knew it was in or near the house. I searched without luck and then read a recommendation for this app. I installed on my iPhone and the signal started upstairs and increased as I moved downstairs, outside, and to the car. This app worked like a champ - found the lost Fitbit in the car!


Just what I was looking for! I have the IOS version, but this has more functionality. I received a BLE device from a vendor without documentation. Was able to poke around the device enough to figure out which characteristics did what without coding up an app.

View in Mac App Store
  • Free
  • Category: Developer Tools
  • Updated:
  • Version: 1.2
  • Size: 0.7 MB
  • Language: English
  • Seller:

Compatibility: OS X 10.8 or later, 64-bit processor

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