Bluetooth機器共通アプリ
Today we are going to recommend most Common app for ブルートゥース デバイス. For connect you to all of your devices that use ブルートゥース 低エネルギー .
For iOS device ,the most common app it is LightBlue®,you can feel free to download from APP Store.
LightBlue®
LightBlue® can connect you to all of your devices that use ブルートゥース 低エネルギー (also known as Bluetooth Smart, or Bluetooth Light). With LightBlue®, you can scan, connect to and browse any nearby BLE デバイス.

For android device ,the most common app it is LightBlue®,you can feel free to download from Google Store.
nRF Connect

nRF Connect for Mobile is a powerful generic tool that allows you to scan, advertise and explore your Bluetooth low energy (BLE) devices and communicate with them. nRF Connect supports number of Bluetooth 言う adopted profiles together with Device Firmware Update profile (DFU) from Nordic Semiconductors and Mcu Manager on Zephyr and Mynewt.
When you use ”nRF Connect ” ,i have to mention that this app default setting is 20 bytes ,you need set MTU parameter first .Then you can feel free to send more bytes ,if you want send 100 bytes ,you can set the MTU parameter to 100 bytes .
FeastBlue
3)フィジーコム also provide app for connect you to all of your devices that use Bluetooth Low Energy .
This is a フィジーコム Bluetooth Serial Port Tool, support classic Bluetooth SPP and Bluetooth Low Energy, friendly and minimalist designed UI, mainly features:

- Fast way for searching and connecting with the Bluetooth devices.
- Display the nearby Bluetooth devices’RSSI parameters during searching operation.
- Bluetooth Communication functions: Support CRC32 Verification,HEX Send & Receive,Files’ sending.
- OTA Upgrade, ビーコン, Properities defining, BT connection test.
詳細についてはお気軽にお問い合わせください feasycomチーム .

