Andrey Solovyev
Learn English Irregular Verbs
FreeEnglish irregular verbs forms: infinitive, past simple tense and past participle
Android
Flags of All Countries of the World: Guess-Quiz
FreeFlags of all 197 independent countries of the world: several quiz games to play.
iOS
100 Most Common English Nouns
FreeLearn 100 most frequently used English nouns: definition and Spanish translation
AndroidIrregular Verbs of English and their Conjugation - An Infinitive, a Past Simple Tense, a Past Participle, and the Definition
FreeBegin - began - begun...The app contains all important English irregular verbs (more than 200 verbs overall). Please choose the learning method...
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...
iOSGreek Letters and Alphabet
FreeIt is a perfect app to learn 24 Greek letters and alphabet from Alpha to Omega.
AndroidAll Maps of the World - Quiz
FreeGuess all 197 countries of all continents by their outline maps! 3 quiz modes.
AndroidFlags of All World Countries
FreeLearn flags of all 197 independent countries of the World: 3 distinct quiz modes
Android
English Proverbs Missing Words
FreeFinish 200 English proverbs or idioms by spelling the missing words.
AndroidChemical Substances Chem Quiz
FreeLearn 200 chemical substances studied in introductory & advanced chemistry class
AndroidFunctional Groups in Organic Chemistry - Quiz
PaidLearn important functional groups and classes of compounds in organic chemistry.
iOS
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...
iOSInorganic Acids, Polyatomic Ions and Potassium Nitrate Salt - Inorganic Chemistry Quiz
PaidLearn names and formulas of all important inorganic acids, polyatomic ions and their salts. An app is suitable for everyone: from high school...
iOSAfrican Countries: Africa Quiz
FreeLearn all 54 independent African countries: flags, capitals, and maps quizzes.
Android
