Search for really free Android Education apps with no IAP and no ADS

Title Score Score (w/installs) Installs Category Released
Google Classroom
2.5
9.2
100,000,000+
12 Jan 2015
Bible App for Kids
4.4
15.7
50,000,000+
25 Nov 2013
MEB E-OKUL VBS
2.5
8.9
50,000,000+
22 Mar 2014
Canvas Student
4.7
15.1
10,000,000+
20 Dec 2012
Remind: School Communication
4.3
13.9
10,000,000+
03 Oct 2012
PBS KIDS Video
4.2
13.6
10,000,000+
22 Jun 2014
Khan Academy
4.2
13.7
10,000,000+
20 Sep 2015
Quizizz: Play to learn
4.7
15.2
10,000,000+
09 Sep 2017
AnkiDroid Flashcards
4.8
15.5
10,000,000+
06 Nov 2022
NASA
4.2
13.7
10,000,000+
05 Jul 2011
Blackboard
3.5
11.1
10,000,000+
13 Jan 2015
Moodle
4.5
14.4
10,000,000+
04 Mar 2013
Read Along by Google
0
0.0
10,000,000+
31 Dec 1969
Cambly – Learn English
4.5
14.4
10,000,000+
15 Feb 2014
Minecraft Education
4
12.9
10,000,000+
01 Nov 2022
Google Arts & Culture
4.3
13.8
10,000,000+
28 Nov 2015
ScratchJr
3.7
12.0
10,000,000+
28 Mar 2015
Yandex Translate
4.5
14.6
10,000,000+
07 Nov 2022
Utkarsh: Govt Jobs & Exam Prep
4.3
13.7
10,000,000+
11 Nov 2018
Superbook Kids Bible App
4.9
15.6
10,000,000+
29 May 2013