ToneDetector vs Learn Vietnamese
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ToneDetector
Master Mandarin tones with this intuitive app. Practice pronunciation, compare your pitch contours to samples, and receive immediate visual feedback to improve your speaking accuracy without a tutor. Covers all Mandarin tonal syllables for effective self-assessment.
- Instant tone judgment
- Visual pitch contour comparison
- Practice all Mandarin tonal syllables
- Self-assessment of tone perception
- Sample sounds for comparison
- Intuitive practice interface
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How to know if you pronounced a Mandarin tone correctly without human tutors? The 12 years old tone detector app lets you make a judgement by yourself instantly. It is very intuitive for you to practice your tones. The Chinese tones are the most difficult part for a foreign language learner to speak Chinese. How to get rid of strong non-native accent and misunderstanding caused by tone issues? Using this app, practice to be right in every Mandarin tonal syllable first! Hear sample tonal syllables, practice tonal syllables and see their pitch shapes immediately. By comparing your pitch contours with the sample pitch contours directly, you can make a judgement easily by yourself. From the visual intuitive feedback, you may improve your tones quickly. This app basically covers all the possible Mandarin chinese syllables with lexical tones. They are 407 base syllables and 1259 tonal syllables. This app provides a sample sound for each tonal syllable for you to compare. By following the sample sounds, you can practice all the Mandarin tonal syllables and learn Chinese pronunciations. You can self-assess your tone perception ability too. This app is essential to all Chinese learners to master Chinese tone quickly. It could be used for tone lecture demonstration purpose too.
Learn Vietnamese
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Learn Vietnamese faster with real content, AI pronunciation coaching, and live voice practice. LingFast is a next-generation language learning app that replaces boring textbooks with authentic Vietnamese audio, video, and dialog content - then gives you powerful tools to practice speaking, build vocabulary, and track your progress. * IMMERSIVE CONTENT FEED * Swipe through real-life Vietnamese lessons in a TikTok-style feed: - Native Vietnamese dialogs and two-speaker conversations - Short news articles and stories - Videos and imported YouTube lessons - Filter by type: Dialog, Video, Talk, News, Story * AI SHADOWING AND PRONUNCIATION * Powered by on-device Whisper AI - works offline, results in seconds. - Shadow sentence by sentence: listen, record and get your score (0-100%) - Accuracy, fluency and completeness breakdown - Vocabulary pronunciation drill with instant AI grading - See which words and sounds need improvement * TALK NOW - LIVE VOICE PRACTICE * Match instantly with real Vietnamese learners worldwide for anonymous voice calls. Build speaking confidence through real conversations, not scripted exercises. * AI CONVERSATION PARTNER * Chat with an AI tutor in Vietnamese anytime. Choose your topic and difficulty, have a real two-way conversation, and get feedback on every response. * VOCABULARY SYSTEM (SPACED REPETITION) * Save Vietnamese words directly from lessons. Our SRS algorithm schedules reviews at the perfect moment so words stay with you for life. 4 practice modes: - Flashcard self-assessment - Multiple-choice game (timer, 3 lives, streaks) - Typing challenge (typo-tolerant scoring) - Pronunciation drill with AI scoring * LEARNING TOOLS IN EVERY LESSON * - Full transcript: tap any word for instant definition - Shadowing: sentence-by-sentence pronunciation practice - Role Play: take a character's part in the dialog - Dictation: listen and type what you hear - Comprehension Quiz: multiple choice questions - True/False Quiz: rapid understanding check - Grammar and Knowledge: in-context explanations * GAMIFICATION * - Daily XP goals and streak tracker - Global leaderboard - Vocabulary Duel, Sentence Scramble and Shadowing Duel multiplayer games - Study history and progress tracking * COMMUNITY * - Post questions, get answers from native Vietnamese speakers - React and comment on posts - Bookmark lessons and discussions * YOUTUBE IMPORT * Paste any Vietnamese YouTube link -> instant lesson with transcript, shadowing, dictation, and vocabulary tools. PREMIUM PLAN: - Ad-free experience - Unlimited AI voice chat sessions - Unlimited word translation and lookup - Unlimited saves and YouTube imports Dark and Light mode. Offline AI speech model. Download LingFast and start speaking Vietnamese confidently from Day 1. Terms of Use (EULA): https://lingfast-server.tnpixel.com/legal/lingfast/terms-of-service
Screenshots
Verdict
The clearest difference is price: Learn Vietnamese at Free against ToneDetector's $9.99. Learn Vietnamese also leads on update cadence (every 3 months vs every 29 months). ToneDetector's advantage is in-app purchases (none vs 3) and iOS requirement (14.0 vs 16.0). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Learn Vietnamese is free to download; ToneDetector costs $9.99 up front. Learn Vietnamese sells 3 in-app purchases, starting at $3.99 per 7 days. ToneDetector asks for nothing beyond the download.
ToneDetector ships an update every 29 months, Learn Vietnamese every 3 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.
| Parameter | ToneDetector | Learn Vietnamese |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 29 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Jian Cheng | Dinh Thang Tran |
In-app purchases
ToneDetector
No in-app purchases
Learn Vietnamese
- LingFast Premium Weekly$3.997 Days
- LingFast Premium Monthly$8.991 Month
- LingFast Premium Yearly$49.991 Year
Questions
Is ToneDetector free?
Is Learn Vietnamese free?
Do ToneDetector or Learn Vietnamese have ads?
Which is updated more often, ToneDetector or Learn Vietnamese?
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