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

Title Score Score (w/installs) Installs Category Released
Learn to Read - Duolingo ABC
4.3
13.1
5,000,000+
14 May 2022
Four-stroke Otto engine 3D
4
12.4
5,000,000+
04 Dec 2016
vnEdu Connect
3.1
9.7
5,000,000+
05 Nov 2022
Seesaw
3.9
12.1
5,000,000+
22 Jun 2015
Socrative Student
3.1
9.6
5,000,000+
14 Aug 2011
WhiteHat Jr: Book Live Classes
4.1
12.8
5,000,000+
09 Sep 2020
iNaturalist
4.1
12.6
5,000,000+
28 Dec 2011
Vocabulary Builder - Test Prep
4.7
14.4
5,000,000+
14 Jun 2014
Schoology
1.8
5.5
5,000,000+
04 Feb 2012
Flora Incognita
4.5
13.9
5,000,000+
12 Nov 2022
ÖSYM Aday İşlemleri Sistemi
1.8
5.6
5,000,000+
09 Nov 2022
EduRev Exam Preparation App
4.4
13.7
5,000,000+
13 Dec 2014
Great Learning: Online Courses
4.5
13.9
5,000,000+
20 Apr 2015
speakX: Learn to Speak English
4.4
13.6
5,000,000+
06 Jan 2021
MIT AI2 Companion
3.4
10.4
5,000,000+
22 Nov 2013
ePathshala
4.3
13.2
5,000,000+
03 Nov 2015
Simulado Detran-SP
4.6
14.2
5,000,000+
31 Oct 2022
Desmos Graphing Calculator
4.5
13.8
5,000,000+
08 Nov 2022
Профи.ру
4.8
14.7
5,000,000+
12 Nov 2022
Untis Mobile
4
12.4
5,000,000+
28 Apr 2023