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

	Title	Score	Score (w/installs)	Installs	Category	Released
	CCC Hymns with Bible Reference	4.7	10.2	50,000+	Books & Reference	28 Jan 2021
	CCC Imeko Xmas Convocation	4.2	5.9	1,000+	Books & Reference	09 Nov 2022
	CCC NAP Hymns	0	0.0	1,000+	Books & Reference	09 Nov 2022
	CCL Mobile	0	0.0	10,000+	Books & Reference	09 Nov 2022
	CCS Technical Drawings	4.3	6.0	1,000+	Books & Reference	01 Nov 2022
	CDJ Law Journal	0	0.0	1,000+	Books & Reference	04 Apr 2023
	Cebuano Bible	0	0.0	100,000+	Books & Reference	08 Nov 2022
	Cen Academy e-Learning	0	0.0	500+	Books & Reference	25 May 2022
	CENSECFOR Toolbox	1.7	3.1	10,000+	Books & Reference	02 Nov 2022
	Center Point	0	0.0	500+	Books & Reference	01 Nov 2022
	Central Alabama Veterans HCS	3.5	4.4	500+	Books & Reference	21 Sep 2021
	Central Arkansas Library	3.7	5.1	1,000+	Books & Reference	09 Nov 2022
	Central Ifugao Bible	0	0.0	50,000+	Books & Reference	08 Nov 2022
	Centre d'Études Bibliques	4.6	10.5	100,000+	Books & Reference	11 May 2016
	Cep Kütüphanem	0	0.0	100,000+	Books & Reference	08 Feb 2016
	Cerita Alkitab Terbuka	0	0.0	100,000+	Books & Reference	29 Jun 2015
	CGC APP	4.8	8.1	5,000+	Books & Reference	09 Nov 2022
	Chabad.FM - Chitas & Rambam	4.3	5.9	1,000+	Books & Reference	10 Nov 2017
	Chadian Arabic Lexicon	0	0.0	1,000+	Books & Reference	16 May 2021
	Chanakya Neeti | Acharya Chana	4.1	5.6	1,000+	Books & Reference	20 Feb 2020