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About
BG Trainer is a focused grammar drill app for absolute beginners learning Bulgarian. Designed for Russian and Ukrainian speakers (East Slavic background) starting at A0 level. WHAT YOU PRACTICE • Verb "to be" (съм/си/е/сме/сте/са) • Possession verbs имам / искам / мога • Definite articles (-ът, -та, -то, -те) • Grammatical gender — masculine, feminine, neuter • Plural forms — regular and irregular • Possessive pronouns • Negation • Question word order with particle "ли" • Numerals, time, dates • Present perfect tense • Food, taste, restaurant vocabulary HOW IT WORKS • 8 progressive lessons (L1–L8) • 30+ exercise modes — multiple choice, sentence building, particle insertion, paradigm drills, timed quizzes • Instant feedback after every answer with the correct form and a short hint • Mastery tracking per item • Session history and progress charts INTERFACE • Russian or Ukrainian UI (your choice) • Three pace presets: quick (5 questions), standard (15), deep (25) • Light theme tuned for focused study • Works offline — all content bundled, no account required ALL INCLUDED • All 8 lessons (L1–L8) included — one-time purchase • No subscriptions, no ads, no tracking PRIVACY All learning progress is stored on your device. We do not collect, transmit, or sell any personal data. OPEN SOURCE BG Trainer is open source — browse the code, report issues, or contribute: https://github.com/korchasa/bg-trainer
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