Linguva vs OtoOi Reader

Master Languages with AI-Powered Quizzes and Speaking Practice Improve your language skills with an AI-powered learning system built around CEFR levels (A1–C2), covering vocabulary, translation, listening, writing, pronunciation, and speaking. Word & Translation Quizzes (50+ Languages) Practice vocabulary and translation across 50+ supported languages, including English, Spanish, French, German, Turkish, Chinese, Japanese, Arabic, Russian, Korean, Portuguese, Italian, Hindi, and many more. Quizzes are available in multiple formats: • Word • Word Reverse • Phrase • Phrase Reverse • Sentence • Sentence Reverse • Definition • Definition Reverse • Fill-in quizzes Each quiz can be practiced across CEFR levels A1, A2, B1, B2, C1, C2, plus Mix and Adaptive modes. A spaced repetition system also works in the background to reinforce vocabulary. Listening Practice Listening quiz types include: • Word Subtitle • Phrase Subtitle • Sentence Subtitle • Word Translation • Phrase Translation • Sentence Translation Audio files are generated using AI Writing Practice Writing quiz types include: • Phrase Translation • Sentence Translation • Dialog Pronunciation Training Practice pronunciation using AI speech recognition. • Record your voice • Convert speech to text • Compare it with the correct sentence • Receive a pronunciation score out of 100 You can listen to the reference audio and retry the same phrase. Only the first attempt affects your statistics. Speaking Practice Improve your speaking ability with AI-assessed responses. Available modes: • Basic • Opinion • Extended • Mix • Adaptive AI transcribes and evaluates your spoken answers, giving you a score out of 100. A reference answer is also available to listen to. Exercise Mode • Word • Phrase • Phrase Reverse • Sentence • Sentence Reverse Available for all CEFR levels and Mix / Adaptive modes. Smart Learning System • Adaptive mode dynamically adjusts difficulty based on your performance. • Mix mode randomly selects quiz types and levels. • Words are categorized according to CEFR vocabulary levels. AI features include: • Text-to-Speech • Speech-to-Text • AI Speaking Evaluation • Translation • Word mapping algorithms AI may occasionally produce inaccuracies, so please verify important information. Progress & Statistics Track your improvement with detailed monthly statistics by: • Skill • Language • Quiz type • CEFR level You can also monitor how close you are to reaching your daily quiz goal. Placement Test A short placement test during onboarding helps personalize your learning experience. Free Trial & Subscription You can explore the app interface and see example questions for free. Start a free trial or subscribe to unlock all Pro features. Pro Features • Unlock All Features • Translation Quiz & AI Explanations • AI Listening Quiz • Writing Quiz • AI Pronunciation Scoring • AI Speaking Evaluation Trials and subscriptions can be cancelled anytime. To avoid being charged, cancellation at least 24 hours before the renewal date is recommended. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

OtoOi Reader is a Korean reading app with something new every day. Read real-life Korean the way it is written — online forum posts with their comment threads, short travel stories, and news written from the facts — sentence by sentence, with audio for every sentence. ■ What you can read • K-Drama Next Door — short dramas written in the style of Korean online forums: advice posts and real-life stories, comments and all. After the ending, the author explains the twist and the everyday life behind it. A new episode every day. • Kai's Train Trips — Kai rides the KTX to cities around Korea and discovers the local food. Travel notes with the facts and sources. • News — Korean news written from the facts, in an Easy and a Standard version. • Story — Kai's everyday life in Korea, told in short conversations (beginner level). ■ How it helps you read • Read first, then check: open the English translation one sentence at a time. • Tap a word for its meaning in that sentence, its dictionary form and how it is conjugated. • Tap an underlined grammar pattern for a short explanation of how it works in that sentence. • Audio for every sentence. • A TOPIK level for every piece, so you can find what fits you. ■ Words — see your Korean grow • Mark words and grammar as Known, Learning or Not yet while you read. • See how many TOPIK level 1–6 words and grammar patterns you know, level by level. • Your known-word rate on every piece shows what you can read next. • Word cards: check the meanings of words you met while reading, or marked Learning, in a five-option quiz, then update your Known and Learning marks from the results. Every sentence is written by us, so there is no material to hunt for. • Look back at your Known-words chart week by week (month by month with Pro). ■ Subscription New pieces are free for 7 days after they come out. Older pieces: the Korean text and audio are free; the translations, word meanings and explanations are part of OtoOi Reader Pro, along with all TOPIK levels and your full history in Words. 7-day free trial. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless it is turned off at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Use: https://otooi.com/en/terms Privacy Policy: https://otooi.com/en/privacy