ChemQuantifier at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Education Medical
Developer: Pat Thayer
Price: 0 free
Current version: 1.01, last update: 7 years ago
First release : 16 Nov 2016
App size: 7.07 Mb
4.0 ( 8640 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


ChemQuantifier provides a safe environment in which to teach or learn how to successfully perform mass-mass, mass-volume and volume-mass calculations under standard or nonstandard conditions. An in-app-specific calculator and periodic table are integrated into the app to streamline the learning process. This app shines for advanced individuals as well as the small-group-ability-paired settings that are so successful in typical chemistry classrooms. Each of the thousands of random problems has a complete solution upon touching the “Give up” button. After completing a problem set, the results can be archived as an email. The app may be used as a paper and pencil test source.

Problems are continuously checked for correctness as the user enters information in the Factor-Label Method format. When the correct quantity, unit and formula are all placed in a label, the label will change color to indicate correctness and providing immediate feedback to users. A glance at a screen will allow a chemistry teacher to determine who needs help. More able students gravitate to the role of teacher in well-paired small groups.

In-app help is available in the form of multiple solved examples. The help examples are specific to the type of problem being attempted: mass-mass, mass-volume or volume-mass.

The in-app periodic table will supply atomic masses to a precision of two places beyond the decimal. Touching an element on the periodic table sends its mass to the in-app calculator screen.

Although the focus is not significant figures, each problem is designed to have an answer expressed using a three-significant-figure quantity, a unit and a formula. A calculator is continuously present and will display any calculations as a chain operation(10.0÷2.02x2÷3x18.02) in the calculator label while pressing “enter” will send the result to the factor-label-method label (59.5). The operation being performed can be passively held in the calculator memory for continued action while a new the factor-label-method label is selected.
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Available in countries
Country Price
Canada 1.39 CAD
China 6 CNY
France 1.09 EUR
Germany 1.09 EUR
Italy 1.09 EUR
Netherlands 1.09 EUR
Portugal 1.09 EUR
Spain 1.09 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 79 INR
Japan 120 JPY
Poland 4.99 PLN
Russia 75 RUB
Turkey 4.49 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 USD
Available for devices
iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,