If you experienced a fingerprint sensor/or reader with Arduino, which model did you use? How you rate it?

I don't have any experience with a fingerprint sensor and arduino, however you can get your answer by visiting:

https://blog.arduino.cc/2012/03/29/finger-print-sensor-with-arduino/

https://github.com/adafruit/Adafruit-Fingerprint-Sensor-Library

http://www.instructables.com/id/fingerprint-arduino-with-16x2-LCD/

Sorry dear i have no experience on this product particularly

I have used temperature sensor dht11 with ardino.

Sorry, I didn't use this sensor.

I dont have any finger print experience,

I have expertise on sensing of metal ions 

 SAIN SMART is good one , easy and very simple

https://www.sainsmart.com/optical-fingerprint-reader-sensor-module-sensors-all-in-one-for-arduino-locks.html