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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Offline Survival Manual	4.7	13.1	1,000,000+	Books & Reference	14 Sep 2016
	Google I/O 2019	4.3	12.0	1,000,000+	Books & Reference	11 Nov 2022
	Deen - Quran, Hadith, Duas	4.6	12.8	1,000,000+	Books & Reference	15 Apr 2022
	Merlin Bird ID by Cornell Lab	4.9	13.6	1,000,000+	Books & Reference	24 Jun 2014
	Linux Command Library	4.6	12.7	1,000,000+	Books & Reference	06 Nov 2022
	Sabbath School & PM	4.9	13.5	1,000,000+	Books & Reference	04 Nov 2022
	Sacred Music	4.3	12.0	1,000,000+	Books & Reference	08 Nov 2022
	The Book of Mormon	4.6	12.7	1,000,000+	Books & Reference	08 Nov 2022
	Dal Dictionary	4.4	12.2	1,000,000+	Books & Reference	18 Jul 2011
	SDA Sabbath School Quarterly	4.2	11.5	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	4.8	13.2	1,000,000+	Books & Reference	08 Nov 2022
	Member Tools	3.9	10.7	1,000,000+	Books & Reference	08 Nov 2022
	Laudate	4.6	12.6	1,000,000+	Books & Reference	10 Jun 2010
	iBreviary	4.5	12.5	1,000,000+	Books & Reference	02 Jun 2010
	B&N NOOK App for NOOK Devices	4.1	11.4	1,000,000+	Books & Reference	08 Aug 2014
	ThriftBooks: New & Used Books	4.4	12.1	1,000,000+	Books & Reference	25 Feb 2017
	Adobe Digital Editions	1.7	4.7	1,000,000+	Books & Reference	26 Sep 2015
	Divine Pearls	4.7	12.9	1,000,000+	Books & Reference	07 Mar 2012
	BookFunnel	4	11.1	1,000,000+	Books & Reference	19 Jul 2015