iSpy is described as 'Uses your USB webcams, IP cams, capture cards, desktops and microphones to detect and record movement or sound and provides security, surveillance, monitoring and alerting services. Media is recorded directly to H264 mp4 files or AVI files' and is a Video Streaming app in the video & movies category. There are more than 50 alternatives to iSpy for a variety of platforms, including Windows, Android, iPhone, iPad and Linux apps. The best iSpy alternative is ZoneMinder, which is both free and Open Source. Other great apps like iSpy are Shinobi, Frigate NVR, Blue Iris and AtHome Video Streamer.
it's only for webcam not for IP camera