Common Error vs Chemmory

People with English as their second language make some very common mistakes while speaking or writing in English. The mistakes most of the times are grammar related, framing the questions in wrong manner or small preposition/articles mistakes. Some mistakes could be very embarrassing. With this app you can understand, learn & improve on those mistakes.

Chemmory is a simple, engaging memory game that helps you learn chemical elements. Practice names, symbols, atomic numbers, valencies, atomic masses and more — you decide what to study. A unique hint system not only makes matching easier, it also reinforces recall so you remember faster. HOW IT WORKS Flip cards as in classic memory and match the correct pairs. Choose the content you want (e.g., names + symbols, valency, mass), and pick how much assistance you get from hints. Your best runs are saved locally so you can beat your own records. FEATURE HIGHLIGHTS • Memory mode with element cards (symbol, name, atomic number, etc.) • Configurable learning scope and hints • Several hidden mini-games for variety • Full localization of element names: Polish, English, Russian, Spanish, French, German • Sound effects and light animations • Local leaderboard and stats • Works fully offline, no ads, no tracking • Supports older iPhones WHO IS IT FOR? Students preparing for tests, teachers looking for a quick warm-up, and younger players who enjoy bite-sized learning. Use Chemmory for daily practice, quick quizzes, or revising the periodic table on the go. PRIVACY Chemmory works offline and does not collect personal data. Scores and settings are stored on your device only. Have fun and happy learning!