Andrey Solovyev
African Countries: Africa Quiz
FreeLearn all 54 independent African countries: flags, capitals, and maps quizzes.
AndroidGreek Letters and Alphabet
FreeIt is a perfect app to learn 24 Greek letters and alphabet from Alpha to Omega.
AndroidCities of the World Photo Quiz
FreeGuess the City from Landmark Pictures: 100 Cities + 2 Quiz Modes + 15 Languages!
AndroidChemical Elements Names Quiz
FreeYou'll learn the names and symbols of all 118 chemical elements with this app.
Android
Congratulations Generation - Greetings and Best Wishes for Christmas, New Year, Birthday, Valentine Day and More Holidays
FreeHave troubles with composing greeting messages to your friends? Tired of pre-written texts? Get inspired by this app!More than 1,000,000 possible...
iOS
50 US States Map, Capitals & Flags - American Quiz
FreeLearn all 50 US states: capitals, flags and maps.
iOS
Canadian Provinces and Territories - The Flag, Capitals and Map of Canada - From Newfoundland and Labrador to British Columbia
FreeThis app tests your knowledge and helps you learn the names, the maps, the capitals, and the flags of all 10 Canadian provinces and 3...
iOS
Famous Operas and Composers
FreeFor all opera fans! Demonstrate your knowledge of the 50 most performed operas.
AndroidInorganic Acids, Ions & Salts
FreeLearn names and formulas of all important inorganic acids, their salts and ions.
Android50 US States: Capitals & Flags
FreeLearn all 50 US states: capitals, flags and maps. Several different quiz modes.
AndroidLearn English Irregular Verbs
FreeEnglish irregular verbs forms: infinitive, past simple tense and past participle
AndroidMaps of All Countries in the World: Guess Map Quiz
FreeGuess all 197 independent countries of all continents by their outline maps: from Europe and Asia to Africa and America.
iOS
Steroids - Chemical Formulas
FreeChemical formulas of Steroidal hormones, lipids from testosterone to cholesterol
AndroidFlags of All Countries of the World: Guess-Quiz
FreeFlags of all 197 independent countries of the world: several quiz games to play.
iOS
English Proverbs Missing Words
FreeFinish 200 English proverbs or idioms by spelling the missing words.
Android
Famous Composers of Classical Music: Portrait Quiz
FreeCan you guess 60 famous composers of classical music in this portrait quiz...
iOSFlags of All World Countries
FreeLearn flags of all 197 independent countries of the World: 3 distinct quiz modes
AndroidFamous Scientists - Smart Quiz
FreeMore than 60 scientists: Guess the chemist, physicist and astronomer!
Android
Amino Acids Structure - Essential Acid from Phenylalanine to Tryptophan
PaidDo you know the chemical formula of glycine?Amino acids are building blocks of proteins and peptides. Thus, the knowledge of their structures and...
iOSAll Maps of the World - Quiz
FreeGuess all 197 countries of all continents by their outline maps! 3 quiz modes.
AndroidGeometric Shapes Geometry Quiz
FreePlease learn the basic geometric terms - 3 modes: triangles, polygons, circles
Android
Hydrocarbon Chemical Formula - Learn Organic Compounds from Methane to Benzene Hydrocarbons
PaidThis application is essential for students learning the basics of organic chemistry, for teachers, graduate students and professionals checking...
iOSChemical Substances Chem Quiz
FreeLearn 200 chemical substances studied in introductory & advanced chemistry class
Android
Heterocyclic Compounds - Structures and Nomenclature and Organic Chemistry of Heterocycles
FreeHeterocycles are parts of: * Biomolecules (nucleic bases in your DNA and RNA; amino acids Histidine and Tryptophan) * Important drugs (80% of...
iOS
