Other languages:

Note that these are not all the apps available for the Fediverse, further investigation is encouraged

Android iOS Sailfish OS
Mastodon & forks Tusky, Fedilab, AndStatus, Indigenous, Subway Tooter Mastodon for iOS, Metatext Tooter
Pixelfed PixelDroid, Fedilab
PeerTube TubeLab, Fedilab, Thorium
Funkwhale Funkwhale for Android SubStreamer
WriteFreely WriteFreely for iOS
Friendica Friendica, Fedilab
Mobilizon Mobilizon
Pleroma Fedilab, Indigenous
Misskey MilkTea, Subway Tooter MissCat
diaspora* dandelior*, dandelion*
GNU Social Fedilab, AndStatus
Hubzilla Nomad
Plume
Lemmy lemmur Remmel
BookWyrm


Tusky

Website: https://tusky.app/

Tusky is a multi-account Android app for Mastodon. It also supports Mastodon forks and Pixelfed, though with Pixelfed it still has some bugs.
It supports all Mastodon features, like photos, videos, lists, custom emojis, ... and it's still quite simple. It looks a lot like the Mastodon looks in the web browser.

F-Droid: https://f-droid.org/packages/com.keylesspalace.tusky/

Google Play: https://play.google.com/store/apps/details?id=com.keylesspalace.tusky

License: GNU General Public License v3.0

Fedilab

Website: https://fedilab.app/

Fedilab is a multi-account Android app for Mastodon, Mastodon forks, Pleroma, Pixelfed, PeerTube, GNU Social & Friendica.
It has more features than Tusky, but is also a bit less tidy.

F-Droid: https://f-droid.org/packages/fr.gouv.etalab.mastodon/

Google Play: https://play.google.com/store/apps/details?id=app.fedilab.android

License: GNU General Public License v3.0

Subway Tooter

Subway Tooter is a Mastodon client for Android, supporting multiple accounts. Also this app has partially support for Misskey.

Repo for F-Droid: https://android.izzysoft.de/repo/apk/jp.juggler.subwaytooter

Google Play: https://play.google.com/store/apps/details?id=jp.juggler.subwaytooter

License: Apache License 2.0

Mastodon for iOS

Website: https://joinmastodon.org/apps

App Store: https://apps.apple.com/app/id1571998974

License: GNU General Public License v3.0

Metatext

Website: https://metabolist.org/metatext

Metatext is a modern and accessible Mastodon client.

App Store: https://apps.apple.com/app/id1523996615

License: GNU General Public License v3.0

Tooter

Mastodon App for Sailfish OS.

Repo: https://openrepos.net/content/dysko/tooter

Lizenz: GNU General Public License v3.0

PixelDroid

Website: https://pixeldroid.org/

PixelDroid is an Android client for Pixelfed.

F-Droid: https://f-droid.org/en/packages/org.pixeldroid.app/

License: GNU General Public License v3.0

TubeLab

Website: https://fedilab.app/

Full featured Peertube Android app.

F-Droid: https://f-droid.org/packages/app.fedilab.tubelab/

Google Play: https://play.google.com/store/apps/details?id=app.fedilab.tubelab

License: GNU General Public License v3.0

Funkwhale for Android

Website: https://funkwhale.audio/en_US/apps/

This is the official Android music player for Funkwhale.

Repo for F-Droid: https://fdroid.funkwhale.audio/

License: MIT License

WriteFreely for iOS

Website: https://writefreely.org/apps/ios

Publish to your WriteFreely blog with the official WriteFreely app for iPhone and iPad.

App Store: https://apps.apple.com/app/id1531530896

License: GNU General Public License v3.0

Friendica

F-Droid: https://f-droid.org/en/packages/de.wikilab.android.friendica01/

A full interface for Friendica, including timeline display and the ability to view and post on you and your friends' profile walls.

License: Mozilla Public License 2.0

Mobilizon

A simple client to interact with Mobilizon instances.

F-Droid: https://f-droid.org/packages/app.fedilab.mobilizon/

Google Play: https://play.google.com/store/apps/details?id=app.fedilab.mobilizon

License: GNU General Public License v3.0

MilkTea

It is an application for using Misskey from Android.

Google Play: https://play.google.com/store/apps/details?id=jp.panta.misskeyandroidclient

License: GNU General Public License v3.0

MissCat

Website: https://yuiga.dev/misscat/

MissCat is an iOS client that makes handling Misskey easier and more comfortable.

App Store: https://apps.apple.com/app/id1505059993

License: Apache License 2.0

dandelion*

A client for diaspora*.

F-Droid: https://f-droid.org/packages/com.github.dfa.diaspora_android/

License: GNU General Public License v3.0

Nomad

Nomad is a client for Hubzilla.

F-Droid: https://f-droid.org/en/packages/com.dfa.hubzilla_android/

License: GNU General Public License v3.0

lemmur

lemmur aims to provide a seamless experience when browsing different Lemmy instances.
You can have multiple instances added at the same time without having to awkwardly switch between them.

F-Droid: https://f-droid.org/en/packages/com.krawieck.lemmur/

Google Play: https://play.google.com/store/apps/details?id=com.krawieck.lemmur

License: GNU General Public License v3.0

Remmel

App Store: https://apps.apple.com/app/id1547988171

License: MIT License