The top 20 popular Free Libraries & Demo Apps for Android in the United States

Check out the top Libraries & Demo Apps which are free to download. We went through all Libraries & Demo Apps for Android on Google Play in October 2025 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in the United States. Last updated on 2025-10-23.

Rhythm Software

*THIS APP WILL NOT LAUNCH BY ITSELF* This is payment module ONLY for applications published by Rhythm Software. Donation record is bound to your Google account. That means if you have multiple dev…

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100,000+ downloads

Libraries & Demo

Rhythm Software
100,000+ downloads
LIBRARIES_DEMO

*THIS APP WILL NOT LAUNCH BY ITSELF* This is payment module ONLY for applications published by Rhythm Software. Dona…

Market Update Helper

This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-install it at any time.

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1,000,000+ downloads

Libraries & Demo

Titanium Track
1,000,000+ downloads
LIBRARIES_DEMO

Market Update Helper

This app does nothing by itself, and is only useful as a companion to Titanium Backup PRO. If you have it, you can un-i…

Barcode Scanner

Cognex Corporation

Barcode scanning made simple! Use this powerful app to easily scan over 30 different types of barcodes, including QR, UPC, GS1, Data Matrix, PDF417, DotCode, and many others. The Cognex Barcode Sc…

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1,000,000+ downloads

Libraries & Demo

Cognex Corporation
1,000,000+ downloads
LIBRARIES_DEMO

Barcode Scanner

Barcode scanning made simple! Use this powerful app to easily scan over 30 different types of barcodes, including QR,…

Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, discover new apps, and set up a viewer. To fully enjoy this app you'll need a Car…

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10,000,000+ downloads

Libraries & Demo

Google LLC
10,000,000+ downloads
LIBRARIES_DEMO

Cardboard puts virtual reality on your smartphone. The Cardboard app helps you launch your favorite VR experiences, dis…

SL Screen Off plugin

Smart Launcher Team

This app works only with Smart Launcher This app uses the Device Administrator permission, in order to use a restricted API that allows to turn off your device screen This plugin will enable Smart L…

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1,000,000+ downloads

Libraries & Demo

Smart Launcher Team
1,000,000+ downloads
LIBRARIES_DEMO

SL Screen Off plugin

This app works only with Smart Launcher This app uses the Device Administrator permission, in order to use a restricted…

Default choice fixer for Smart

Smart Launcher Team

This app helps Smart Launcher to stay as the default launcher on devices that have the bad habit to reset the user choice. Please note, you don't need to install this app if Smart Launcher is alread…

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500,000+ downloads

Libraries & Demo

Smart Launcher Team
500,000+ downloads
LIBRARIES_DEMO

Default choice fixer for Smart

This app helps Smart Launcher to stay as the default launcher on devices that have the bad habit to reset the user choi…

Hebrew for AnySoftKeyboard

AnySoftKeyboard

Hebrew Language Pack for AnySoftKeyboard Includes several Hebrew layouts (including Niqqud), physical keyboard support and a word completion dictionary. This is an expansion language pack for AnySof…

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500,000+ downloads

Libraries & Demo

AnySoftKeyboard
500,000+ downloads
LIBRARIES_DEMO

Hebrew for AnySoftKeyboard

Hebrew Language Pack for AnySoftKeyboard Includes several Hebrew layouts (including Niqqud), physical keyboard support …

IpSensorMan Manages talking to various sporting sensors using ANT+™ or Bluetooth or Bluetooth Low Energy interfaces. Using a separate app allows multiple client apps to access to the sensors…

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100,000+ downloads

Libraries & Demo

Ifor Powell
100,000+ downloads
LIBRARIES_DEMO

IpSensorMan Manages talking to various sporting sensors using ANT+™ or Bluetooth or Bluetooth Low Energy interfa…

Contacts for Locus Map

Asamm Software, s. r. o.

Add-on Contacts for Locus Map application enables searching and displaying addresses of contacts stored in your mobile device on a map. The add-on does not have its own screens or widgets, just adds …

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100,000+ downloads

Libraries & Demo

Asamm Software, s. r. o.
100,000+ downloads
LIBRARIES_DEMO

Contacts for Locus Map

Add-on Contacts for Locus Map application enables searching and displaying addresses of contacts stored in your mobile …

Libraries for developers

Desarrollo Droide

This application provides a collection of third party libraries, as a developer this application is essential for you. You will have information about the author, captures, license, description, link…

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100,000+ downloads

Libraries & Demo

Desarrollo Droide
100,000+ downloads
LIBRARIES_DEMO

Libraries for developers

This application provides a collection of third party libraries, as a developer this application is essential for you. …

Augm. Reality for Locus Map

Asamm Software, s. r. o.

Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - in augmented reality. Useful during town sightseeing tours, on viewtowers, for g…

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100,000+ downloads

Libraries & Demo

Asamm Software, s. r. o.
100,000+ downloads
LIBRARIES_DEMO

Augm. Reality for Locus Map

Add-on for Locus Map application that enables visualization of selected points on the device screen with camera view - …

おサイフケータイ Webプラグイン(連携用) – Click to show

Infobip Messaging

Team Mobile Infobip

Infobip Messaging app is designed for users looking to explore Infobip’s mobile app communication features in a safe, simulated environment. Discover how push notifications, in-app messages, an…

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5,000+ downloads

Libraries & Demo

Team Mobile Infobip
5,000+ downloads
LIBRARIES_DEMO

Infobip Messaging

Infobip Messaging app is designed for users looking to explore Infobip’s mobile app communication features in a s…

Mares, où êtes-vous ?

« Mares, où êtes-vous ? », un observatoire qui permet à chacun (citoyens, collectivités, entreprises…) de participer à l’inventaire des r&ea…

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Libraries & Demo

FNE AURA
500+ downloads
LIBRARIES_DEMO

Mares, où êtes-vous ?

« Mares, où êtes-vous ? », un observatoire qui permet à chacun (citoyens, collectivit&e…

Compose Material Catalog

A canonical reference of Material Design components, theming, dark theme, and how to implement these features in Jetpack Compose: the Compose Material Catalog. The catalog consists of three main scre…

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100,000+ downloads

Libraries & Demo

Google LLC
100,000+ downloads
LIBRARIES_DEMO

Compose Material Catalog

A canonical reference of Material Design components, theming, dark theme, and how to implement these features in Jetpac…

TrianglesRotation

This app is a utility for square dancers using the Triangles Rotation Program on a square dance event. The app allows dancers to lookup their current dance partner and square number that they where …

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Libraries & Demo

Thomas Omerzu
500+ downloads
LIBRARIES_DEMO

TrianglesRotation

This app is a utility for square dancers using the Triangles Rotation Program on a square dance event. The app allows …

muslim salah times usa

Elevate your prayer experience with islamic namaz timing USA. Accurate prayer times, Qibla direction, and a user-friendly Hijri calendar. Stay connected to Islamic traditions with our comprehensive a…

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10,000+ downloads

Libraries & Demo

STCOM.Dev
10,000+ downloads
LIBRARIES_DEMO

muslim salah times usa

Elevate your prayer experience with islamic namaz timing USA. Accurate prayer times, Qibla direction, and a user-friend…

LieferMANAGER – Click to show

Pinlet Bitácora

Sistema de control de ingreso para visitantes de las urbanizaciones privadas. Recent changes: Mejoras y corrección de errores.

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Libraries & Demo

Pinlet S.A
100+ downloads
LIBRARIES_DEMO

Pinlet Bitácora

Sistema de control de ingreso para visitantes de las urbanizaciones privadas. Recent changes: Mejoras y correcci&oacut…

ಕನಕದಾಸ ಕೀರ್ತನೆ kanakadasa – Click to show