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

	Title	Score	Score (w/installs)	Installs	Category	Released
	YouVersion Bible App + Audio	4.9	18.2	100,000,000+	Books & Reference	31 Dec 1969
	네이버 - NAVER	3.7	13.6	100,000,000+	Books & Reference	06 Nov 2022
	Sky Map	4	14.2	50,000,000+	Books & Reference	31 Dec 1969
	Wikipedia	4.4	15.7	50,000,000+	Books & Reference	11 Jan 2012
	JW Library	4.8	17.1	50,000,000+	Books & Reference	01 Jul 2013
	Quran for Android	4.8	16.9	50,000,000+	Books & Reference	08 Aug 2010
	Libby, the Library App	4.8	15.5	10,000,000+	Books & Reference	15 Jan 2017
	Gospel Library	4.7	15.0	10,000,000+	Books & Reference	26 May 2010
	DeepL: translate & write	4.7	15.1	10,000,000+	Books & Reference	28 Jan 2022
	Barnes & Noble NOOK	4.4	14.2	10,000,000+	Books & Reference	20 Jul 2010
	English Dictionary - Offline	4.7	15.1	10,000,000+	Books & Reference	19 Mar 2012
	ReadEra – book reader pdf epub	4.8	15.5	10,000,000+	Books & Reference	29 Mar 2017
	Cantook by Aldiko	2.4	7.9	10,000,000+	Books & Reference	09 Nov 2022
	French Dictionary - Offline	4.6	14.7	10,000,000+	Books & Reference	09 Nov 2022
	iQuran Lite – القران الكريم	4.6	15.0	10,000,000+	Books & Reference	31 Dec 1969
	「COCORO BOOKS」書籍・コミック・新聞・雑誌	3.9	12.4	10,000,000+	Books & Reference	27 Feb 2011
	FamilySearch Tree	4.5	13.9	5,000,000+	Books & Reference	13 Jul 2014
	Inkitt: Books, Novels, Stories	4.5	13.8	5,000,000+	Books & Reference	05 Jan 2017
	Dictionary - WordWeb	4.4	13.7	5,000,000+	Books & Reference	20 Jan 2012
	Diccionario RAE y ASALE (DLE)	4.6	14.3	5,000,000+	Books & Reference	01 Nov 2022