Learn names and formulas of all important inorganic acids, polyatomic ions and their salts. An app is suitable for everyone: from high school students to chemistry professors.
Take a quiz or use the table as a reference.
* 70+ inorganic acids: from Sulfuric H2SO4 to Hydrazoic HN3.
* 50+ anions and cations: from Chloride Cl(-) to Hydrazinium N2H5(+).
* 50+ salts: from Potassium nitrate KNO3 to Ammonium hexachloroplatinate (NH4)2PtCl6.
Choose the game mode:
* Spelling quizzes.
* Multiple-choice questions (with 4 or 6 answer options).
* Time game (give as many answers as you can in 1 minute).
A learning mode:
* Tables.
The app is translated into 9 languages, including English, German, French, and many others. So you can learn the names of the acids and ions in any of them.
This app is ideal for those studying inorganic chemistry.
Screenshots
Daily chart position by storefront
Top Paid (Games)
Tracking since 2 Jul 2026 · lower is better · hover a point for the exact date and rank
Chart presence — 10 positions tracked
Storefront
Category
Chart
Rank
South Korea
Games
Top Paid
#1017
Brazil
Games
Top Paid
#1076
South Africa
Games
Top Paid
#1079
Italy
Games
Top Paid
#1080
Russia
Games
Top Paid
#1080
Spain
Games
Top Paid
#1084
Germany
Games
Top Paid
#1085
United States
Games
Top Paid
#1093
India
Games
Top Paid
#1095
France
Games
Top Paid
#1120
Details
Seller: Andrey Solovyev
Requires: iOS 8.0+
Last updated: 18 Sep 2017
First released: 24 Feb 2014
Yesterday's rank (US, top position): #1088
App Store data shown here is sourced from Apple's public iTunes RSS chart feeds and the iTunes Lookup API, collected by Zing at regular intervals. Figures may differ from Apple's internal App Store Connect analytics.