Search for really free Android Libraries and demo apps with no IAP and no ADS

Title Score Score (w/installs) Installs Category Released
Barcode Scanner
4.6
12.6
1,000,000+
27 Feb 2012
Cardboard
3.7
12.0
10,000,000+
23 Jun 2014
TP-LINK tpCamera
4.4
11.4
500,000+
23 Nov 2014
YASNAC - SafetyNet Checker
4.9
11.2
100,000+
08 Oct 2021
ANTtester
4.6
10.6
100,000+
01 Feb 2015
HTC Rhyme ANT Radio Connector
3.9
10.3
500,000+
28 Mar 2012
Scandit Barcode Scanner Demo
4.5
10.2
100,000+
22 Jan 2014
MaterialX - Android Material Design UI
4.3
9.8
100,000+
12 Aug 2017
Joanna de Ângelis
4.9
8.9
10,000+
30 Aug 2016
Material Design Components
4.7
8.7
10,000+
20 Feb 2020
Juan cloud
3.9
8.5
50,000+
23 Mar 2017
IP Pro(VR Cam, EseeCloud)
2.9
8.1
1,000,000+
28 Mar 2016
Microblink Vision
4.4
8.1
10,000+
06 Feb 2019
Brother Print SDK Demo
3.5
8.1
100,000+
21 Oct 2012
CodeX - Android Material UI Templates
4.4
8.0
10,000+
16 Sep 2018
Compose Material Catalog
4.3
7.9
10,000+
31 Jul 2021
MDM & Kiosk Mode by AppTec360
4.3
7.9
10,000+
22 Apr 2013
HDIPC360
3.4
7.9
100,000+
28 Aug 2016
KOSTAL Solar App
3.5
7.6
50,000+
30 May 2014
BLE Peripheral Simulator
4.1
7.5
10,000+
23 Jun 2015