Ad Blocker

Oh I already hear the complaints: poor little devs must live on something (maybe I should integrate some ads with my books as well).

Don't get me wrong: I'm not calling to a complete ad boycott. But sometimes there are legit reasons to use an ad blocker. For example,

ad blocking is digital self-defence
ad blocking helps against the climate crisis

Ad-Blocker & Filter

2020-01-13

Block This! (5@1) 4 LastUpdate: 2017-05-02 Github
UnbelovedHosts (4.7@10) 7 LastUpdate: 2017-08-01 AdBlocker not replacing your /etc/hosts file
AdGuard: Content Blocker for Samsung and Yandex (4.5@32,485) 4 Github; Vorstellung 6/2017; Review 11/2018
AdAway (4.4@129) 6 Github; Vorstellung 3/2014; Video Demo 8/2013; Video Tutorial 7/2017; Tutorial 5/2019 (DE); maintains /system/etc/hosts (needs root)
WebGuard (4.1@15,318) Ǥ 12 not only for kids No root required.
Crystal Adblock for Samsung (4.1@2,461) 3 $Contains no known trackers \o/$
Root Toolbox FREE (4@2,751) 9 LastUpdate: 2014-04-28 Video Review 5/2013 (DE)
Adblock Fast (3.8@13,837) Ǥ 4 Github; Samsung Internet 4.0 and up only
AdBlock for Samsung Internet (3.8@10,800) 3 $Contains no known trackers \o/$
FilterProxy (3.8@652) 2 $Contains no known trackers \o/$ LastUpdate: 2015-02-21 uses proxy (no root required)
Disconnect Premium VPN (3.1@143) Ǥ 4 $Contains no known trackers \o/$ Subscription fee
Adblock Plus (0@31) 5 LastUpdate: 2016-02-01 Vorstellung 4/2014; no root required; nutzlos
AdClear (0@8) Ǥ 16 / AdClear Content Blocker (3.9@4,525) Ǥ 13 Github; no root required
Ad-Free (0@0) 3 $Contains no known trackers \o/$ Github; AdBlocker for Spotify
Spotify Ad Blocker (0@0) $Contains no known trackers \o/$ LastUpdate: 2017-07-15 Github; mute when Spotify is playing an ad
DNSfilter (0@0) 7 $Contains no known trackers \o/$ Github
Twitter Adfree (0@0) LastUpdate: 2017-05-08 removes promoted/ads posts from the official Twitter app
Blokada v4 (ad blocker) (0@0) 12 Github; Ausführliche Anleitung 1/2019; Video Anleitung 4/2019; Vorstellung 1/2020; no root required
DNS66 (0@0) 6 Github; Video Howto 9/2017 | 3/2018; Video Walk-Through 10/2018; Howto 8/2019; block ads/hosts, use alternative DNS servers; no root required (uses VPN)
JIG Zad (0@0) LastUpdate: 2016-11-15
MinMinGuard (0@0) (Ad blocker) Intro 1/2014; Video Review 2/2014; Github; disables ad-modules per-app
xad (0@0) (Ad blocker) Intro 12/2013

As Google has banned most of the ad blockers from Google Play, you might have to look elsewhere (not Elsevier). What has moved to F-Droid is already linked above, but there are more "hiding places":

MoaAB
SRT AdVersary Testbericht 1/2017

Further Readings:

Category Ad-Modules (and counter-measures)
Category Proxy, Tunnel & Co
Studie: Adblocker schützen nur bedingt vor Tracking (Adblock Plus (worst), Ghostery (bad), Disconnect (expensive); 8/2018)
Kommentar: Adblocker sind digitale Selbstverteidigung (12/2016)
The Terrifying Cost of »Free« Websites (12/2016) Watch this!
Ad Blockers On Mobile Can Reduce Battery Drain By Up to 50% (3/2016)
IzzyOnDroid hint: Using free apps from F-Droid or buying ad-free versions has a similar effect
Android Adblocker: Für ein werbefreies Smartphone (3/2014)
A robust, actually working ad blocker for Android (without root access)? (2/2014)
Best Ad blocker app for Android : stop ads appearing on android (2/2014 - 8/2018)

2020-01-17

IzzyOnDroid

Ad Blocker

Ad-Blocker & Filter