Apps like Bluefruit Connect

Here are some great alternatives to Bluefruit Connect by Adafruit Industries :
BT Terminal
BT Terminal
★3.2
Serial Bluetooth Terminal
Serial Bluetooth Terminal
★4.6
Bluetooth Terminal (BT Serial)
Bluetooth Terminal (BT Serial)
★5.0
Microchip Bluetooth Data
Microchip Bluetooth Data
★3.6
Bluetooth Terminal HC-05 Pro
Bluetooth Terminal HC-05 Pro
★4.3
nRF Toolbox for Bluetooth LE
nRF Toolbox for Bluetooth LE
★3.5
Bluetooth Terminal HC-05
Bluetooth Terminal HC-05
★4.2
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★3.2
Connect Anduino
Connect Anduino
★4.5
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★4.4
Bluetooth Terminal for Arduino
Bluetooth Terminal for Arduino
★4.8
Arduino Bluetooth Control
Arduino Bluetooth Control
★3.7
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★4.6
LightBlue® — Bluetooth LE
LightBlue® — Bluetooth LE
★3.2
Arduino Bluetooth Controller
Arduino Bluetooth Controller
★3.6
Bluino Loader - Arduino IDE
Bluino Loader - Arduino IDE
★3.7