When comparing Ghostery vs DNS66, the Slant community recommends DNS66 for most people. In the question“What are the best ad blockers?” DNS66 is ranked 8th while Ghostery is ranked 16th. The most important reason people chose DNS66 is:
By using a local VPN, the app doesn't need root privileges to function.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Blocks many ads
As a side-effect of stopping trackers, Ghostery also disables many annoying advertisements, and with less of a performance hit than the various AdBlocks (especially when using both).
Pro Prevents you from getting tracked
Pro No root access required
By using a local VPN, the app doesn't need root privileges to function.
Pro Open Source
The app is available on the F-Droid open source app repository.
Pro Global ad-blocking
Ads are blocked in every app, and apps can be whitelisted.
Cons
Con Sells user data
Helps advertisers by selling user data. Though this can be turned off.
Con Standby battery drain
The app can use unreasonable amounts of battery charge when the phone is locked and not in use.
Con Unstable
app might crash on longer usage and cause looping which need to be restarted especially when there is internet changes on android