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

	Title	Score	Score (w/installs)	Installs	Category	Released
	SpotLaw-View,Search judgements	4	8.7	50,000+	Books & Reference	07 Nov 2022
	SPNavigator	0	0.0	10,000+	Books & Reference	02 Sep 2019
	SPL Mobile	4.2	5.8	1,000+	Books & Reference	05 Nov 2022
	Spitzer Space Telescope	4.7	8.0	5,000+	Books & Reference	06 Jan 2019
	Spiritual Stories (Kannada)	0	0.0	10,000+	Books & Reference	10 Nov 2022
	Spiritual Leadership Conf	4.9	9.1	10,000+	Books & Reference	22 May 2011
	Spirits' Book - Texts	4	8.7	50,000+	Books & Reference	03 Nov 2022
	Spirit & Truth	4.4	8.1	10,000+	Books & Reference	08 Nov 2022
	SPHMMC OBGYN Management Protoc	0	0.0	500+	Books & Reference	31 Oct 2022
	SPHMMC IM Protocol	0	0.0	100+	Books & Reference	31 Oct 2022
	Species+	0	0.0	1,000+	Books & Reference	26 Oct 2022
	SPEAK THE WORD AUDIO	0	0.0	5,000+	Books & Reference	07 Nov 2022
	Spanish Dictionary - Offline	4.4	13.6	5,000,000+	Books & Reference	03 Apr 2012
	Southern Nevada Community Prep	3.1	5.2	5,000+	Books & Reference	06 Nov 2022
	South Country Library	0	0.0	100+	Books & Reference	09 Nov 2022
	South Conchucos Hymnbook	0	0.0	1,000+	Books & Reference	27 Jan 2020
	Sosale Vyasaraja Matha	4.8	8.8	10,000+	Books & Reference	09 Nov 2022
	Sony Pocket Guide	0	0.0	5,000+	Books & Reference	05 Nov 2022
	Soninke - Alla Kitaabi Senne	0	0.0	10,000+	Books & Reference	19 Feb 2018
	Songs of Zion Telugu	0	0.0	100,000+	Books & Reference	08 Nov 2022