This app is a dns changer which supports WIFI, mobile connections, Ethernet and IPv6
Highly customizable, lots of features
Brazilian and German translation
For a full list of features scroll down

This app uses the Device Administrator permission.
This is in no way required any only used to prevent uninstallation if wanted by the user. No system settings are modified.
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Whilst it is fairly easy to adjust the DNS servers used by your device when using wifi, android offers no option to change the used DNS servers when using a mobile connection (2G/3G/4G etc.).
This App creates a VPN connection locally (No data leaves your phone using this VPN connection) to use your configured DNS servers on both wifi and mobile networks without needing root permissions.
Both Ipv4 and Ipv6 are usable, a feature which isn't supported on many phones (Even Android doesn't offer IPv6 DNS configuration in your wifi settings).

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➤ Nearly everything can be configured
➤ Good resource management
➤ No effect on battery life
➤ Nearly no RAM consumed
➤ Fast & Reliable
➤ Simple to use
➤ Works without root
➤ Supports Wifi and mobile networks (2G/3G/4G)
➤ Start on boot feature
➤ Start when connecting to 3G/WIFI feature
➤ Configure IPv4 and IPv6
➤ IPv6 can be disabled
➤ Use primary and secondary servers
➤ Secondary servers aren't a must (leave the fields blank)
➤ Set app as device admin to prevent uninstallation
➤ Create shortcuts on your home screen to quickly change your DNS Server
➤ Select from a list of pre-compiled Servers
➤ Add own entries to it
➤ Apps can be excluded from using the DNS servers
➤ Enter your own DNS Servers
➤ Tasker support (Action plugin)
➤ Ad-free & no tracking inside the app
➤ Material design
➤ App and notification can be protected by PIN
➤ Different selectable themes (default, mono, dark)
➤ Apps can be excluded from having the DNS server applied to them
➤ Can be started/stopped by QuickSettings (Tiles in the notification menu at the top)
➤ Open source
➤ Frequently updated
➤ Easily debuggable, thanks to internal logging (must be enabled by you & nothing is sent automatically)

If you like this app, please consider rating it in the store.
If you run into any sort of problem feel free to contact me at support@frostnerd.com (German & English)
The SourceCode is publicly available at git.frostnerd.com/PublicAndroidApps/DnsChanger

From version DNSChanger for IPv4/IPv6 - Open source and ad-free 1.16.5.11:

This update fixes a few crashes and updates the layout of the DNS server list

Variant
Arch
Version
DPI
All versions

Version:1.16.5.11

Uploaded:December 26, 2020 at 4:40PM UTC

File size:4.76 MB

Downloads:771

Version:1.16.5.7

Uploaded:May 27, 2020 at 8:23AM UTC

File size:3.71 MB

Downloads:576

Version:1.16.5.6

Uploaded:May 1, 2020 at 5:26PM UTC

File size:3.71 MB

Downloads:145

Version:1.16.4.0

Uploaded:January 21, 2020 at 10:16PM UTC

File size:3.4 MB

Downloads:324

Version:1.16.3.2

Uploaded:December 31, 2019 at 1:19PM UTC

File size:3.4 MB

Downloads:120

Version:1.16.3.1

Uploaded:December 24, 2019 at 8:13PM UTC

File size:3.4 MB

Downloads:92

Version:1.16.3.0

Uploaded:December 24, 2019 at 5:29PM UTC

File size:3.4 MB

Downloads:52

Version:1.16.2.2

Uploaded:December 23, 2019 at 12:21AM UTC

File size:3.36 MB

Downloads:59

Version:1.16.2.1

Uploaded:December 22, 2019 at 3:00PM UTC

File size:3.34 MB

Downloads:63

Version:1.16.1.10

Uploaded:December 9, 2019 at 11:55AM UTC

File size:3.34 MB

Downloads:96