Search for really free Android Tools apps with no IAP and no ADS

	Title	Score	Score (w/installs)	Installs	Category	Released
	Calculator | Simple | Modern	0	0.0	500+	Tools	29 Aug 2022
	Calculator Volt/Amp/Watt/Ohm	4.4	10.1	100,000+	Tools	05 Nov 2022
	Calculator MobiCalc	4.6	14.3	5,000,000+	Tools	25 Jan 2011
	Calculator for oil enhanced	4.2	9.7	100,000+	Tools	02 Nov 2022
	Calculator - Tax, VAT and GST	4.3	8.0	10,000+	Tools	07 Jan 2019
	Calculator	4.4	18.2	1,000,000,000+	Tools	28 Mar 2016
	Calculator	4.2	17.6	1,000,000,000+	Tools	07 Nov 2022
	Calculate kinetic energy	0	0.0	500+	Tools	04 Nov 2022
	Calculadora Rendimento CDI CDB	0	0.0	10,000+	Tools	04 Nov 2022
	Calculadora Óptica Oftalmológi	0	0.0	1,000+	Tools	07 Nov 2022
	CalConvert Hebrew Calendar and	0	0.0	10,000+	Tools	08 May 2020
	CalcLine - RF & Microwave	0	0.0	5,000+	Tools	12 Nov 2022
	Calc4Key: Calculator Keyboard	0	0.0	5,000+	Tools	09 Nov 2022
	CalAmp K-12	4	6.9	5,000+	Tools	04 Nov 2022
	Caja Honor	0	0.0	10,000+	Tools	22 Aug 2022
	Caja de ANDE a su Alrededor	0	0.0	10,000+	Tools	19 Jan 2018
	CAG	0	0.0	100+	Tools	02 Nov 2022
	Caffeine - Keep Screen On	3.1	7.2	100,000+	Tools	02 Nov 2022
	Caesar cipher - De-/Encryption	4.3	9.2	50,000+	Tools	05 Nov 2022
	CAEC Mobile	4.4	8.1	10,000+	Tools	10 Dec 2011