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

	Title	Score	Score (w/installs)	Installs	Category	Released
	DEX	4.2	9.8	100,000+	Books & Reference	28 May 2012
	Hubble Space Telescope	4.2	9.2	50,000+	Books & Reference	11 Nov 2022
	Engineering Cookbook	4.2	9.2	50,000+	Books & Reference	10 Nov 2022
	My-EOP	4.2	9.2	50,000+	Books & Reference	29 Mar 2014
	Amuzgo Guerrero Bible	4.2	5.9	1,000+	Books & Reference	07 Nov 2022
	Zad-e-Rah	4.2	7.8	10,000+	Books & Reference	16 Apr 2014
	CA Meals for Kids	4.2	7.8	10,000+	Books & Reference	04 Nov 2022
	Capital Area District Library	4.2	7.8	10,000+	Books & Reference	09 Nov 2022
	Discover Books	4.2	7.2	5,000+	Books & Reference	01 Nov 2022
	جامع الكتب التسعة	4.2	11.7	1,000,000+	Books & Reference	20 Dec 2016
	Study True Bible Doctrines	4.2	7.8	10,000+	Books & Reference	31 Oct 2022
	Muslim Kids Series : Dua	4.2	7.8	10,000+	Books & Reference	09 Nov 2022
	The Bible and Book of Mormon	4.2	9.1	50,000+	Books & Reference	10 Nov 2022
	Lingala Bible	4.2	9.7	100,000+	Books & Reference	11 Nov 2022
	Thread calculator	4.2	9.7	100,000+	Books & Reference	06 Jan 2018
	Shree Ram Sharnam, Gohana	4.2	7.8	10,000+	Books & Reference	10 Nov 2022
	HCPLibrary	4.2	5.8	1,000+	Books & Reference	12 Nov 2022
	World Coins	4.2	7.8	10,000+	Books & Reference	12 Nov 2022
	s.mart Arpeggio Gitarre,Bass,…	4.2	9.1	50,000+	Books & Reference	09 Nov 2022
	Onion Search Engine: Privacy a	4.2	9.7	100,000+	Books & Reference	07 Nov 2022