The 20 most popular Paid Libraries & Demo Apps for Android ever

Check out the top Libraries & Demo Apps which are a paid download. We went through all Libraries & Demo Apps for Android on Google Play in May 2025 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the all-time number of downloads. Last updated on 2025-05-01.

Game Booster VIP Lag Fix & GFX

Automatically clear background cache to reduce device load for the best gaming experience. Features - Find games on device and add them to a list to lauch from one place - One touch boost - Auto N…

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100,000+ downloads

Libraries & Demo

TOLAN
100,000+ downloads
LIBRARIES_DEMO

Game Booster VIP Lag Fix & GFX

Automatically clear background cache to reduce device load for the best gaming experience. Features - Find games on …

Engineering Tools : Mechanical

This Mechanical Engineering App is an all in one app for All Mechanical Engineering Needs, It Contains Various Important Mechanical Engineering tools. The purpose of this software is to provide engi…

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50,000+ downloads

Libraries & Demo

TOLAN
50,000+ downloads
LIBRARIES_DEMO

Engineering Tools : Mechanical

This Mechanical Engineering App is an all in one app for All Mechanical Engineering Needs, It Contains Various Importan…

Crosshair & Nickname Pro

Gamer Bubble let's you put custom overlay bubbles on your game screen to get some usefull values of your device when you need to measure the gaming performance of your device. Also you can now gene…

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10,000+ downloads

Libraries & Demo

TOLAN
10,000+ downloads
LIBRARIES_DEMO

Crosshair & Nickname Pro

Gamer Bubble let's you put custom overlay bubbles on your game screen to get some usefull values of your device when yo…

Camera Blocker Pro - Anti spy

BytePioneers s. r. o.

Block and secures access to phone camera and prevent apps from secretly watching and recording you [No root required]. ★ Over 13,000 five-star ratings ★ No internet access, no ads, no data collected…

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10,000+ downloads

Libraries & Demo

BytePioneers s. r. o.
10,000+ downloads
LIBRARIES_DEMO

Camera Blocker Pro - Anti spy

Block and secures access to phone camera and prevent apps from secretly watching and recording you [No root required]. …

Microphone Block Pro: Anti spy

BytePioneers s. r. o.

App blocks and secures access to microphone and prevent apps from secretly listening and recording you [No root required, Phone calls not interrupted]. ★ Over 5,000 five-star ratings ★ No internet a…

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10,000+ downloads

Libraries & Demo

BytePioneers s. r. o.
10,000+ downloads
LIBRARIES_DEMO

Microphone Block Pro: Anti spy

App blocks and secures access to microphone and prevent apps from secretly listening and recording you [No root require…

"AquesTalk TTS" is a Japanese Text-to-Speech (TTS) engine. You can output Japanese sounds with various applications. The voice "Yukkuri voice" is very familiar to YouTube and Nic…

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5,000+ downloads

Libraries & Demo

AQUEST
5,000+ downloads
LIBRARIES_DEMO

"AquesTalk TTS" is a Japanese Text-to-Speech (TTS) engine. You can output Japanese sounds with various appli…

Feuerwehr Einsatzleiter Pro

Feuerwehr-Apps.net

Feuerwehr Einsatzerfolg steht und fällt mit den Entscheidungen des Einsatzleiters, während des Feuerwehr Einsatzes. Die Feuerwehr Einsatzleiter - App soll die Einheitsführer der Feuerw…

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1,000+ downloads

Libraries & Demo

Feuerwehr-Apps.net
1,000+ downloads
LIBRARIES_DEMO

Feuerwehr Einsatzleiter Pro

Feuerwehr Einsatzerfolg steht und fällt mit den Entscheidungen des Einsatzleiters, während des Feuerwehr Eins…

Xpert-Timer Mobile

Xpert-Timer Software

Xpert-Timer Time Tracker is the perfect app for tracking your working hours spent on projects and tasks. The features of the time tracking software: • Project time tracking by hitting the star…

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1,000+ downloads

Libraries & Demo

Xpert-Timer Software
1,000+ downloads
LIBRARIES_DEMO

Xpert-Timer Mobile

Xpert-Timer Time Tracker is the perfect app for tracking your working hours spent on projects and tasks. The features …

Tiny RTF Viewer

This app converts and shows locally stored RTF (Rich Text Format) documents. The conversion is performed on your device. Unlike with other apps, the documents will not be sent to an external service.…

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1,000+ downloads

Libraries & Demo

Michael Justin
1,000+ downloads
LIBRARIES_DEMO

Tiny RTF Viewer

This app converts and shows locally stored RTF (Rich Text Format) documents. The conversion is performed on your device…

Andreas Maschke

This app brings the magic of flame fractals to your phone! It comes with both the fractal evolution module "MutaG" and the interactive renderer "IR", as known from the full JWild…

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1,000+ downloads

Libraries & Demo

Andreas Maschke
1,000+ downloads
LIBRARIES_DEMO

This app brings the magic of flame fractals to your phone! It comes with both the fractal evolution module "MutaG…

NSX2 Emulator - Alpha

Features: 📱 User-Friendly Interface: Navigate effortlessly through your game collection with our intuitive and user-friendly interface. Access settings, manage your games, and start playing in just …

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1,000+ downloads

Libraries & Demo

Kora Dev Tech.
1,000+ downloads
LIBRARIES_DEMO

NSX2 Emulator - Alpha

Features: 📱 User-Friendly Interface: Navigate effortlessly through your game collection with our intuitive and user-fr…

AquesTalk TTS Pro

「AquesTalk TTS Pro」は日本語音声合成(TTS)エンジンです。様々なアプリで日本語の音声出力機能が使えるようになります。＊合成音声を下記サイトで事前に確認できます。 https://www.a-quest.com/demo/index.html（AquesTalk10を選択) 【AquesTalk TTSとAquesTalk TTS Proの違い】 AquesTalk TT…

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Libraries & Demo

AQUEST
100+ downloads
LIBRARIES_DEMO

AquesTalk TTS Pro

「AquesTalk TTS Pro」は日本語音声合成(TTS)エンジンです。様々なアプリで日本語の音声出力機能が使えるようになります。＊合成音声を下記サイトで事前に確認できます。 https://www.a-quest.com/de…

MATOOL® checkin – Click to show

Der FS-LST DME ist der DME fürs Handy! In Verbindung mit unserer FS-LST können Sie Alarme auf dem Handy empfangen und den Status eines Fahrzeug setzen!. Die App ist nur in Verbindung mit…

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Libraries & Demo

FSProgramming
50+ downloads
LIBRARIES_DEMO

Der FS-LST DME ist der DME fürs Handy! In Verbindung mit unserer FS-LST können Sie Alarme auf dem Handy empf…

USB Driver - DVB-T Driver – Click to show

Zülow-Software und Computer GmbH

Mit ZHAUS-Mobil erhalten Sie online Zugriff auf Ihre, in ZHAUS hinterlegten Stammdaten. Voraussetzung ist eine vorhandene Installation der Hausverwaltungssoftware ZHAUS und das freigeschaltete und ei…

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Libraries & Demo

Zülow-Software und Computer GmbH
50+ downloads
LIBRARIES_DEMO

Mit ZHAUS-Mobil erhalten Sie online Zugriff auf Ihre, in ZHAUS hinterlegten Stammdaten. Voraussetzung ist eine vorhande…

Face Recognition

This Face Recognition application detect and recognize user face. Face Recognition has three main module First Face Recognition allow user to train person by face detection and save user name. Seco…

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Libraries & Demo

MMM developers
50+ downloads
LIBRARIES_DEMO

Face Recognition

This Face Recognition application detect and recognize user face. Face Recognition has three main module First Face Re…

BoPlanets-Plus – Click to show

Synonymer PRO - Synonymboken

------------------------------------------------------ ★Synonymer - Synonymboken - Svenska Synonymer★ ------------------------------------------------------ Svenska synonymer är en app med tu…

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Libraries & Demo

Easy Evolution
10+ downloads
LIBRARIES_DEMO

Synonymer PRO - Synonymboken

------------------------------------------------------ ★Synonymer - Synonymboken - Svenska Synonymer★ ---------------…

DarkFog+ |Easy File Encryption

Dark-Fog is a file encryption software, with the purpose of securing important files, for save sharing online in cloud storages or on local storages. With Dark-Fog+ you have premium features like Mu…

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Libraries & Demo

IT-Huskys
10+ downloads
LIBRARIES_DEMO

DarkFog+ |Easy File Encryption

Dark-Fog is a file encryption software, with the purpose of securing important files, for save sharing online in cloud …