Which is the best ad-blocking app for non-rooted android phone?

Hi fellas, I know this is an age-old question but there's seems to be scant information available on this. Let's share our knowledge to figure this out. This is the list I've come across during my short research:

• Adblock Plus: Blocks only on Wi-Fi


• Adguard: Removed from Play Store, anybody knows how it is?


• Adaway: The best, but requires root. :(

These are the only mentionable ones I found. Do you guys know of anything better? Which is the best way to go for non-rooted device? Thanks ya'll.