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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Scientific Molding Guide	4.6	7.9	5,000+	Books & Reference	05 Nov 2022
	SCIFOG	0	0.0	100+	Books & Reference	02 Nov 2022
	Scouting Games	0	0.0	5,000+	Books & Reference	28 Jan 2018
	ScrapGuide - for ScrapMechanic	4.7	8.7	10,000+	Books & Reference	08 Nov 2022
	Scripture Citation Index	4.8	11.0	100,000+	Books & Reference	08 Nov 2022
	SDA Bible Study Guide	3.5	6.5	10,000+	Books & Reference	01 Nov 2022
	SDA Hymnals (Multilingual)	4.4	8.1	10,000+	Books & Reference	03 Nov 2022
	SDA Runyoro - Rutooro Hymns	4.6	8.5	10,000+	Books & Reference	08 Nov 2022
	SDA Sabbath School Quarterly	4.2	11.5	1,000,000+	Books & Reference	04 Nov 2022
	SDCL	4.4	7.4	5,000+	Books & Reference	11 Nov 2022
	SDPL To Go	3.8	7.0	10,000+	Books & Reference	05 Mar 2016
	SDS Mobile™	3.6	7.9	50,000+	Books & Reference	25 Dec 2011
	SE-ED	2.2	5.0	100,000+	Books & Reference	16 Nov 2011
	Seabees RTMs	3	4.1	1,000+	Books & Reference	11 Nov 2022
	Search and Rescue - SAR Tools	3.8	7.1	10,000+	Books & Reference	02 Nov 2022
	Sefaria	4.4	10.1	100,000+	Books & Reference	11 Jun 2016
	Sehaj Paath	0	0.0	10,000+	Books & Reference	18 Jul 2020
	Sekundo - Sell books	0	0.0	1,000,000+	Books & Reference	24 Apr 2023
	Selee Bible	0	0.0	10,000+	Books & Reference	21 Feb 2022
	SelfCareforHealthCare™	0	0.0	1,000+	Books & Reference	04 Aug 2018