Free apps

Costs nothing to download.

page 18

CBG -- Clavierhaus BackGammon

The complete GNU Backgammon engine: play, coach, rollouts, career. Offline.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
CBTAndroid

Seven column CBT thought journal
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
ccgt

console chromatic guitar tuner.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
CClauncher

Minimal home launcher that hides apps by default to reduce distractions
- System & tools
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid IzzyOnDroid GitHub Zapstore
CDLC Player

A player for guitar tabs in CDLC format
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Celestia

3D interactive planetarium
- Education
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Ceno Browser: Share the Web

Access any website, then share it peer-to-peer.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
C
CEToolbox

Medical tool
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Cfait

Powerful, fast and elegant TODO / task manager. (CalDAV and local)
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Chairlock

Complete onboard _permissions explorer & summary.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Chaka Book Reader

Committed to improving reading experience
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Chalachithram

Quiz app based on dialogues from Malayalam movies
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Chaldea

Material Planner for Fate/GO
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Chance

Create custom dice with text and SVG faces.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Change Detection

Automatically track website changes in background
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid
Chat Room

Real-time messaging client with text and file sharing.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ChatLaunch for WhatsApp

Start WhatsApp chats without adding numbers to contacts.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
C
Checkers (Privacy Friendly)

(SECUSO) Strategy board game for 2 players. Play against an AI or each other!
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Cheese BTC Widget

Tiny home-screen widget showing the latest Bitcoin price in USD or EUR.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ChemistryLab

A chemical laboratory simulation app for Android
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
ChemSearch

Search compounds, structures, reference and use practical chemistry tools.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Cheogram

Chat on the Jabber network (XMPP protocol); focus on features for gateway users
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Cherry

Wrapper for CherryMusic
- Internet
- Free
- No ads
- No tracking
- Android only
F-Droid
Chess

Chess program and FICS client
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Chess Clock

Adjust your favorite timer to play chess online with friends!
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
Chess Puzzles

Offline chess tactics from real Lichess puzzles. No account, ads, or tracking
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
C
Chiaki

PlayStation 4 Remote Play Client
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
C
Chibe

Vibrates to remind you of the time
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Child Monitor

Child Monitor allows two Android devices to act as a baby monitor.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Child Resus Calc
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Chinese Converter

Converts between Simplified and Traditional with regional variants support!
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
C
ChineseTtsTflite

Chinese TTS Engine Based On Tensorflow TTS
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
C
Ching Machine

Automatic "ching" for Thai music.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Chip Defense

A tower defense game with a microprocessor theme
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Chitralaya CloudGallery App

Transform Telegram into your personal, unlimited photo cloud storage.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Chocola

Chocola is a cute and powerful offline music player app for Android!
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Chogan

Offline game collection: tower defence, sudoku, minesweeper, dots.
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Chompass - Calorie Tracker

Ad-free AI calorie tracker. Snap, speak, or type meals. Open source.
- Health & fitness
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Chooser

Select random fingers on the screen
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Chora

Listen to music from Subsonic or Navidrome servers.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Chord Progression Helper

Write chord progressions with drums and melody to play and sing along
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
ChordReader 2

A digital music book to fetch online and store locally chords and lyrics
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Chroma Launcher

Your home screen, sorted by color. Find any app at a glance.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
C
ChromaDoze

Noise generator
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Chronal

Clean metronome & tuner with polyrhythms and notation editor.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Chrono

Modern and powerful clock, alarms, timer and stopwatch.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
CHRONOS

Schedule your SMS in advance, without replacing your default messaging app.
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
C
Chubby Click - Metronome

FOSS Metronome with the gigging musician in mind.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore