I agree with most of the people truecaller application serves your purpose and you may get the name and details of the number. but you must know how this application works. this application violates our personal safety and others all your contacts details gets saved on their servers while installing the application.
So better go for their web version instead of their applications and login using your email id your email contacts will be shared with them instead of the mobile numbers. our personal security is most important and always protect your personal data and most important always read their terms of service while choosing any type of application services.