Search for really free Android Books and reference apps with no IAP and no ADS

Title Score Score (w/installs) Installs Category Released
Spitzer Space Telescope
4.6
7.8
5,000+
06 Jan 2019
Openreads
4.6
8.5
10,000+
21 Aug 2021
Thaqalayn Hadith Library
4.6
7.8
5,000+
29 Oct 2022
סידור כיס נוסח עדות המזרח
4.6
6.4
1,000+
11 Jun 2023
Modern Hebrew Bible
4.6
8.5
10,000+
10 Dec 2020
Timeless Wisdom - Quotes
4.6
8.5
10,000+
20 Aug 2023
Big Finish Audiobook Player
4.6
9.9
50,000+
06 Sep 2014
Oromo Quran
4.6
10.6
100,000+
22 Oct 2021
Qurani & Masnoon Duas
4.6
10.6
100,000+
22 Feb 2014
Imdadia 15 lines Hafezi Quran
4.6
10.6
100,000+
12 Nov 2022
cloudLibrary
4.6
12.7
1,000,000+
02 Oct 2011
Wikipedia Beta
4.6
12.7
1,000,000+
06 Nov 2022
Salah Guide for New Muslims
4.6
8.5
10,000+
09 Nov 2022
Palabra y Vida 2024
4.6
10.6
100,000+
10 Nov 2022
Amharic Bible Study with Audio
4.6
10.6
100,000+
25 Sep 2013
کتێبەکانم Mybooks
4.6
8.5
10,000+
20 Apr 2021
تسبيح فاطمة ع Tasbeeh Fatimah
4.6
8.5
10,000+
29 Aug 2016
Believer's Songbook
4.6
9.9
50,000+
05 Nov 2022
Chirp Audiobooks
4.6
12.0
500,000+
06 Jun 2018
USMC Reserve Connect
4.6
7.8
5,000+
11 Sep 2020