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

	Title	Score	Score (w/installs)	Installs	Category	Released
	Coin Collection	4.2	11.0	500,000+	Books & Reference	12 Nov 2022
	Cobourg Public Library (CPL)	0	0.0	500+	Books & Reference	09 Feb 2021
	Coachmen RV Owner's Guide	2.4	4.4	10,000+	Books & Reference	13 Sep 2016
	CO eFOG	0	0.0	100+	Books & Reference	02 Nov 2022
	CNC FANUC Troubleshooting	4.4	7.5	5,000+	Books & Reference	13 Jun 2022
	CMS Mobile MTT	0	0.0	500+	Books & Reference	06 Nov 2022
	cMOB-20	3.8	10.4	1,000,000+	Books & Reference	01 Nov 2022
	CMLibrary	4.4	8.0	10,000+	Books & Reference	07 Nov 2022
	CML Mobile	4	7.4	10,000+	Books & Reference	12 Mar 2016
	cMate - Apps Дельта, Конвенция	0	0.0	5,000+	Books & Reference	11 Nov 2022
	cMate (ColReg IALA ICS SOLAS)	3.8	8.8	100,000+	Books & Reference	22 Jul 2017
	Club Lectura-Comunidad Madrid	0	0.0	1,000+	Books & Reference	19 Nov 2022
	Club EL IMPARCIAL	0	0.0	1,000+	Books & Reference	05 Sep 2020
	cloudLibrary	4.6	12.7	1,000,000+	Books & Reference	02 Oct 2011
	Cloud-a-Day	4.1	7.5	10,000+	Books & Reference	05 Nov 2022
	Clinton-Macomb Public Library	4.8	6.6	1,000+	Books & Reference	29 Oct 2022
	Cleveland Catholic Cemeteries	3.4	4.7	1,000+	Books & Reference	16 Sep 2019
	Class 11 Math NCERT Solutions	0	0.0	100,000+	Books & Reference	09 Nov 2022
	Clark County Public Library	4.1	5.6	1,000+	Books & Reference	02 Nov 2022
	Claretian Year	0	0.0	1,000+	Books & Reference	16 Oct 2019