Free apps

Costs nothing to download.

page 75

Sensorkraken

Sensorkraken is an Android app to record raw sensor data for later processing.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Sensors Sandbox

Probe available sensors
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Sensors2OSC

Send sensor data via Open Sound Control (OSC).
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Sentinel Lens

Facial recognition surveillance with alerts
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Sentry

Enforce security policies
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub
Seqular

Seqular, A Social Network without Place or Nation.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Serbian for AnySoftKeyboard

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

A USB Serial to UDP bridge app
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
SerialTest

A cross platform debugger for Bluetooth/TCP/UDP
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ServeIt

A simple http-server on android using flutter.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
ServerBox

A server status & toolbox app using Flutter
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Session F-Droid

Encrypted private messenger
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Setter - A multi-purpose search app for Android

A meta-search, reverse image search and translator tool packed in one package.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Setwork

AI-powered notes, smart task scheduling, and learning cards in one place
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
SexyTopo

Assist in cave surveying
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
SFTP-SAF

Browse SFTP server in your file manager
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Shaarlier

Share links on Shaarli
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Shader Editor

Create and edit GLSL shaders
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Shadowsocks

A shadowsocks client
- System & tools
- FOSS
- Free
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Shadowsocks

A shadowsocks client for TV
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Share 2 Archive Today

Share a URL to Archive.today and Archive.Is
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Share Paste O2

Share pastes privately, with end to end encryption.
- Internet
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Share to Clipboard

A way to copy to clipboard straight from the share menu!
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Share To Computer

Share anything to your computer
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Share to folder

Share data from other apps to a folder
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
Share To InputStick

Send text to your InputStick straight from the Share menu
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid Zapstore
Share via HTTP

File sharing tool
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
ShareAsQR

A lightweight app for QR code generation from text or sharing from other apps.
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
SharedHaven

Bitcoin wallet with secure multisig features
- Security & privacy
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid Zapstore
ShareX

Share files across any platform in hassle-free way with fast speed!
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub
Sharik - file sharing via WI-FI

An open-source, cross-platform solution for sharing files within a local network
- System & tools
- FOSS
- Free
- No ads
- Android only
F-Droid GitHub
Sharing

Share files and apps via browser with a solution to apps with multiple APK files
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Shattered Pixel Dungeon

A roguelike dungeon crawler RPG that's simple to get into but hard to master!
- Games
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Sheepy Horn

Plays the "wah wah waaah" sound. Use this when someone tells a bad joke.
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Shelf

Offline book catalogue: search, track streaks, read your own files.
- Education
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ShelfDroid

Audiobookshelf Android client with playback, downloads, and server management
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
ShellMS

Send SMS via Android SDK
- Communication
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
Shellwave

An SSH client that doesn't make you choose between convenient and trustworthy
- System & tools
- FOSS
- Free
- In-app purchases
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid GitHub Zapstore
Shelter

Isolate and run multiple instances of apps using Work Profiles
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
SherpaTTS

Text-to-Speech engine based on Next-gen Kaldi
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Sherpr

Drive your Herdr AI-agent fleet from your phone, over SSH — no cloud
- System & tools
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid Zapstore
Shikaku

A minimalist block logic puzzle game
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid GitHub Zapstore
ShikiApp

Unofficial Shikimori mobile app
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
Shiori

Android client for the Shiori Bookmark Manager
- Productivity
- FOSS
- Free
- No ads
- No tracking
- Android only
Google Play Aurora Store F-Droid IzzyOnDroid GitHub Zapstore
Ship Captain and Crew

Play a classic dice game for up to 4 players
- Games
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid
ShizuCallRecorder

Empowers ADB through Shizuku to record phone calls on non-rooted device!
- Multimedia
- FOSS
- Free
- No ads
- No tracking
- Android only
F-Droid IzzyOnDroid GitHub Zapstore
ShizuStore

App store for Shizuku apps that installs APKs from their upstream sources.
- System & tools
- FOSS
- Free
- No ads
- Android only
F-Droid GitHub Zapstore
ShizuWall

Lightweight no root, no vpn firewall solution powered by Shizuku
- Security & privacy
- FOSS
- Free
- Paid
- No ads
- No tracking
- Android only
Google Play F-Droid GitHub Zapstore