Performance · Worldwide
Est. downloads / month · WW
<5K
Below chart threshold
Est. revenue / month · WW
<$5K
Below chart threshold
Rating · WW
4.4★
7 ratings
Chart position
Apple's Top Free chart — free apps ranked by recent downloads.
Ratings count — US
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Listing
Quickly learn the chemical formulas of the most important inorganic and organic substances and ions, taught in secondary education (high school), by taking the free multiple choice quizzes. Trivial name (common name), systematic name, or both are given, depending on their importance.
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