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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Spitzer Space Telescope	4.6	7.8	5,000+	Books & Reference	06 Jan 2019
	Thaqalayn Hadith Library	4.6	7.8	5,000+	Books & Reference	29 Oct 2022
	findhelp	4.2	7.7	10,000+	Books & Reference	01 Jun 2020
	Acellus	3.3	7.7	100,000+	Books & Reference	15 Nov 2015
	Are you related? Face DNA Test	3.3	7.7	100,000+	Books & Reference	05 Nov 2022
	Ventilator Training Alliance	4.2	7.7	10,000+	Books & Reference	08 Apr 2020
	Semu Audiobooks & Podcasts	4.2	7.7	10,000+	Books & Reference	15 Sep 2021
	P-T Calculator	4.2	7.7	10,000+	Books & Reference	30 Mar 2018
	Topical Bible	4.2	7.7	10,000+	Books & Reference	31 Oct 2022
	Handy News Reader	4.2	7.7	10,000+	Books & Reference	07 Nov 2022
	YHWH Sacred Scriptures	3.6	7.7	50,000+	Books & Reference	07 Nov 2022
	Sgaw Karen Bible (CL)	4.2	7.7	10,000+	Books & Reference	12 Nov 2022
	Open Library	3.3	7.7	100,000+	Books & Reference	31 Dec 1969
	The Shepherd’s Rod Series	4.2	7.7	10,000+	Books & Reference	04 Nov 2022
	Samoan Bible	4.2	7.7	10,000+	Books & Reference	10 Nov 2022
	Varaždinska Biblija	4.5	7.7	5,000+	Books & Reference	02 Nov 2022
	Debian Doc	4.5	7.7	5,000+	Books & Reference	06 Nov 2022
	Kafka for Internet Archive	4.2	7.7	10,000+	Books & Reference	19 Mar 2023
	BibliaDeEstudio	4.2	7.7	10,000+	Books & Reference	12 Mar 2018
	James Webb Space Telescope	4.2	7.7	10,000+	Books & Reference	18 Oct 2022