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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Portuguese Dictionary Offline	4.3	11.9	1,000,000+	Books & Reference	01 Nov 2022
	BorrowBox	3.2	9.0	1,000,000+	Books & Reference	30 Jul 2016
	Google I/O 2019	4.5	12.4	1,000,000+	Books & Reference	11 Nov 2022
	Deen - Quran, Hadith, Duas	4.7	12.9	1,000,000+	Books & Reference	15 Apr 2022
	Linux Command Library	4.6	12.6	1,000,000+	Books & Reference	06 Nov 2022
	Bangla Hadith (বাংলা হাদিস)	4.3	11.9	1,000,000+	Books & Reference	30 Mar 2015
	Sabbath School & PM	4.9	13.4	1,000,000+	Books & Reference	04 Nov 2022
	Sacred Music	4.4	12.0	1,000,000+	Books & Reference	08 Nov 2022
	The Book of Mormon	4.6	12.8	1,000,000+	Books & Reference	08 Nov 2022
	Acharya Prashant	4.9	13.4	1,000,000+	Books & Reference	06 Oct 2020
	Dal Dictionary	4.6	12.6	1,000,000+	Books & Reference	18 Jul 2011
	SDA Sabbath School Quarterly	4.1	11.4	1,000,000+	Books & Reference	04 Nov 2022
	Blue Letter Bible	4.5	12.5	1,000,000+	Books & Reference	29 Jan 2015
	Quick Bible	4.7	12.9	1,000,000+	Books & Reference	08 Nov 2022
	Member Tools	3.7	10.3	1,000,000+	Books & Reference	08 Nov 2022
	Laudate	4.7	13.0	1,000,000+	Books & Reference	10 Jun 2010
	iBreviary	4.5	12.4	1,000,000+	Books & Reference	02 Jun 2010
	B&N NOOK App for NOOK Devices	4.2	11.5	1,000,000+	Books & Reference	08 Aug 2014
	ThriftBooks: New & Used Books	4.3	12.0	1,000,000+	Books & Reference	25 Feb 2017
	cMOB-20	3.8	10.4	1,000,000+	Books & Reference	01 Nov 2022