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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Catholic Confession Guide	4.3	7.9	10,000+	Books & Reference	30 Oct 2015
	Scientific Molding Guide	4.6	7.9	5,000+	Books & Reference	05 Nov 2022
	PDG Particle Physics Booklet	4.7	7.9	5,000+	Books & Reference	03 Nov 2022
	AskRail	4.3	7.9	10,000+	Books & Reference	07 Nov 2022
	PharmaGuide	3.4	7.9	100,000+	Books & Reference	07 Nov 2022
	The Shepherd’s Rod Series	4.3	7.9	10,000+	Books & Reference	04 Nov 2022
	Bible Portal - Study Bible	4.6	7.9	5,000+	Books & Reference	14 Dec 2021
	KJV - Spanish Bible	4.3	7.9	10,000+	Books & Reference	07 Nov 2022
	Nzema Bible	4.3	7.9	10,000+	Books & Reference	08 Nov 2022
	USPS Ethics	4.3	7.9	10,000+	Books & Reference	06 Jul 2021
	Manupatra for Android	3.7	7.9	50,000+	Books & Reference	27 Apr 2011
	Saxo: Audiobooks & E-books	3.5	7.9	100,000+	Books & Reference	03 Sep 2016
	Arabic Bible with Spanish	3.4	7.9	100,000+	Books & Reference	25 Jan 2020
	NAV Arabic Bible (كتاب الحياة)	3.4	7.9	100,000+	Books & Reference	21 Jun 2020
	웹소설 노벨피아	3	7.9	500,000+	Books & Reference	12 Jan 2021
	Hawaii Courts	4.3	7.8	10,000+	Books & Reference	17 Jan 2017
	Study True Bible Doctrines	4.2	7.8	10,000+	Books & Reference	31 Oct 2022
	World Coins	4.3	7.8	10,000+	Books & Reference	12 Nov 2022
	USMC Reserve Connect	4.6	7.8	5,000+	Books & Reference	11 Sep 2020
	Gospel of Mary Magdalene	4.6	7.8	5,000+	Books & Reference	04 Nov 2022