Cannot connect to aplant sensor

Just bought the aplant sensor and try to connect using IOS AprilBeacon app but fail. Can connect to the April wristband beacon with no problem.

The aplant advertise slowly (1 Hz). So it’s a little hard to connect. Please put your iPhone close to plant and connect again. Or you can try turn off/on your bluetooth and try again.

Still not able to connect to the sensor but the beacon sensors data are working.