Meet Spy Cam:
• Motion detection.
• Record videos by schedule
• Record on screensaver exit/unlock event
• Automatically records videos (including sound) in HD format.
• Can be set up in 1 minute, all ready to go.
• Choose the recording interval you prefer: every 1/3/5/10/15/20/25/30 minutes.
• Set the video clip length: 5/10/15/20/30/60 seconds.
• Optimally compresses videos, and saves hard drive space.
• Uses few resources, so it doesn't load your Mac much.
• Has a user-friendly interface.
• Obeys a single master: you only need to password-protect it.
• Doesn't interfere with other auto-launch apps.
• Automatically sends videos to your Dropbox account.
• Works quickly, silently, covertly.
• Costs 10 times less than a conventional video surveillance system!

Advantages
• If your Mac gets stolen, a video of the thief will be sent to your Dropbox account. The thief will then end up at the police station.
• If important documents vanish from your computer, you'll be able to easily find out who used your Mac that day and catch the culprit.
• You'll be able to know what people in your household or office say about you when you're not there. You are curious, aren't you?
• You'll be able to check if your child turned the computer on without permission.
• You'll have proof that those you trusted look through your computer or things when you're gone.

Compatibility: OS X 10.9 or later 64-bit
Mac App Store: https://geo.itunes.apple.com/app/id438924363