How do I know if a paid VPN works before getting it?

[max2]

I am looking to use a VPN on my tablet and phone with Adguard Pro but how would I know if it works first with interfering ?

 

[avatar]

The best way is to ask us to test it

Just comment in this issue with the apps you'd like us to check:
https://github.com/AdguardTeam/AdguardForiOS/issues/162