Competitor Screenshots is described as 'Daily screenshots of thousands of top Internet websites. Desktop and mobile screenshots taken. Ability to request any site to be added to the archive on an ongoing daily basis'. There are more than 10 alternatives to Competitor Screenshots, not only websites but also apps for a variety of platforms, including Mac, Windows, Android and iPhone. The best alternative is Wayback Machine, which is free. Other great sites and apps similar to Competitor Screenshots are Archive.is (Free), Visualping (Freemium), Archive.st (Free) and Time Travel (Free).
The most advanced tools for tracking changes on websites. Easy to use monitoring service with powerful features and rich app ecosystem. Set your monitoring job and receive email, push or mobile notifications when any change occurs.