Foscam own developped app (total free)
For iOS:
https://itunes.apple.com/us/app/foscam-viewer/id740126713?mt=8
https://itunes.apple.com/us/app/foscam/id924381688?l=zh&ls=1&mt=8
Third party applications
For iOS:
Free app:
http://itunes.apple.com/us/app/camviewer-for-foscam-webcams/id416551665?mt=8
App support audio:
http://itunes.apple.com/us/app/live-cams-pro/id428145132?mt=8
Support multi-cameras:
http://totalcontrolapp.com/index.php?option=com_content&task=view&id=15&Itemid=29
http://itunes.apple.com/us/app/foscamviewer/id389966111?mt=8
Other app:
http://www.livecams-iphone.com/
http://itunes.apple.com/us/app/foscam-surveillance/id373509500?mt=8
http://itunes.apple.com/us/app/foscam-ip-control/id348726919?mt=8
http://itunes.apple.com/us/app/smart-control-foscam-edition/id390165453?mt=8
http://itunes.apple.com/us/app/ipcam-fc/id548480721?mt=8
For Android:
https://play.google.com/store/apps/details?id=com.eggmantechnologies.mylivecamsfree&hl=en
http://totalcontrolapp.com/index.php?option=com_content&task=view&id=47&Itemid=84
https://play.google.com/store/apps/details?id=com.eggmantechnologies.mylivecams
For Mobile Phone which support Java:
If your phone with Symbian OS and Windows Mobile OS,or support Jave,you can download the Mobile Player,
install it on your phone and view your camera.