Free apps

Costs nothing to download.

page 44

KnightStalker

Open-source Stalker IPTV client for Android
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Knit

Encrypted mesh chat over Wi-Fi Aware & Bluetooth — no internet, no servers.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
knkpanime

Anime app with multiple source and danmaku support
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Knock on Ports

A powerful client to manage and run port knocking sequences
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Knot

Minimal memo/note app with only one note possible.
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Kochi Transit Go

Offline Kochi Metro route planner and fare calculator. Fast, Free & Private.
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kodi

Media center
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Koler

uniquely stylized phone app with customizable features
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Komelia

Komga media client
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Komi Store

App store for GitHub releases - discover and install apps with one click
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Komodo Wallet

Cross-platform cryptocurrency wallet and decentralized exchange (DEX)
- Finance
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kompact Image Compressor

Offline image compressor, resizer and converter.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Kompanion

Remote control companion for KOReader e-readers
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Koofr Vault

Open source, client-side, zero-knowledge encrypted storage application by Koofr
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Kords

A ukulele chords dictionary and songbook.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kore

Kore, Official Remote for Kodi
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
KOReader

Ebook reader
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kotlin Quiz

Quiz taking application about Kotlin
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kotori

A simple speedmeter
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
KouChat

Chat
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
koyu.space

Stay connected with the fediverse
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
krassesSpiel

A little Game where you shoot bullets at squares
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Krautschlüssel

Control Krautspace's door
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Kreate

A multilingual YouTube Music frontend for Android, prioritize performance.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Krita

Professional painting program
- Multimedia
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
Kryfo

private messages over tor. no phone number, no account, no metadata trail.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Nostr
- Android only
F-Droid GitHub Zapstore
KryptEY

Keyboard for secure E2EE communication through signal protocol in any messenger
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub
Kryptos

Encrypt inside any messenger: the keyboard encrypts, the screen decrypts
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KTrip

Public Transport Assistant
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Kuaizi IME

Kuaizi IME is an efficient and fast Chinese Pinyin input method editor.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
KUKSA Companion App

The Companion App for the KUKSA Databroker.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kumquats

Place letters to create intersecting words as quickly as possible.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Kurdish for AnySoftKeyboard

AnySoftKeyboard Kurdish Language pack
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Kvaesitso

A search-focused, free and open source launcher for Android
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Kwik DEM (ant.spl)

Kwik EFIS terrain data - Antarctica, South Pole
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik DEM (eur.rus)

Kwik EFIS terrain data - Europe, Russia
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik DEM (pan.arg)

Kwik EFIS terrain data - South America
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik DEM (sah.jap)

Kwik EFIS terrain data - North Africa, India, Indonesia, Japan
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik DEM (usa.can)

Kwik EFIS terrain data - North America, Canada
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik DEM (zar.aus)

Kwik EFIS terrain data - Southern Africa, Australia, New Zealand
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik EFIS

Aviation Glass Cockpit / EFIS with ADS-B Traffic display
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Kwik EFIS (E-Ink)

Aviation Glass Cockpit / EFIS with ADS-B for E-Ink devices
- Navigation
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
KyuubiMask - Privacy First

Privacy-focused notification masking for screen sharing and presentations
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Kõnele

Speech-to-text provider
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
L5RCM Companion

Play-at-the-table sheet viewer for L5R 4E characters
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
L9
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
La et Le

Train French noun genders using spaced repetition
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
la/u/ncher

The official app for danger/u/, dangeru.us
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub