Pinyin Chart vs ToneDetector Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pinyin Chart
Master Chinese pronunciation with this comprehensive guide to Pinyin sounds and tones. Features native speaker audio, detailed explanations, and exercises designed to help learners achieve an authentic accent. Focuses exclusively on pronunciation for all proficiency levels.
- All possible Pinyin sound combinations
- Native speaker audio for tones
- Comprehensive pronunciation guide
- Exercises for authentic accent
- Multiple learning themes
- Pronunciation-focused content
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Start with the sounds. Build your Chinese. Explore Mandarin pronunciation and vocabulary in one thoughtfully designed app. Pinyin Chart brings together an interactive sound chart, a full set of pronunciation lessons, and a vocabulary list to help you build your foundation in Chinese. Whether you're learning your first sounds or returning to strengthen the basics, start where you need the most help. HEAR THE SOUNDS OF MANDARIN Explore pinyin, the system that uses letters to represent Mandarin pronunciation. Listen to native-speaker audio, compare sounds and tones, and return to the chart whenever you need a reference. UNDERSTAND HOW TO PRONOUNCE THEM Go beyond listening with pronunciation lessons that explain how Mandarin sounds work. Work through the guidance at your own pace and revisit the sounds you find challenging. BUILD YOUR VOCABULARY Take the next step with the vocabulary list. Start learning Chinese words alongside your pronunciation study, with both resources together in the same app. USE IT YOUR WAY • Start with the chart when a sound is unfamiliar. • Explore the lessons when you want an explanation. • Turn to vocabulary when you're ready to learn more words. • Revisit the fundamentals alongside a class, textbook, or self-study routine. FROM A PINYIN CHART TO SOMETHING MORE We began with a focused goal: make the sounds of Mandarin easier to explore. Now we're bringing pronunciation and vocabulary together, building on that foundation to help you take your next steps in Chinese. New here? Start with a sound. Know the chart already? Discover what's beyond it. Your next step in Chinese starts here. ⊛⊛⊛⊛⊛ Our Production Team App Development: Jack Wang Graphic Design: Linda Lin Product Lead: Connie Cong Legal & IP: Alicia Wang Producer: Edward Tsang ⊛⊛⊛⊛⊛ Check out http://www.pinyinchart.com/ for more info. Please understand that this is an ongoing development. If you have found any issues or bugs, please let us know by email, support@ondemandworld.com. We will solve them with free updates. Follow us on Twitter. http://twitter.com/ondemandworld ‼ Like us on Facebook. http://facebook.com/ondemandworld ⁇ About us on LinkedIn. http://www.linkedin.com/company/ondemandworld _____ Need a white label app for your business? Or want to talk with us about licensing and advertising opportunities? You should visit http://www.linkedin.com/company/ondemandworld
ToneDetector Lite
Practice and master Mandarin Chinese tones with instant visual feedback. Compare your pronunciation's pitch contours to sample sounds to improve accuracy and reduce accent.
- Instant tone contour detection
- Visual pitch shape comparison
- Practice Mandarin tonal syllables
- Covers hundreds of base and tonal syllables
- Assess tone perception ability
- Sample sounds for comparison
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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. This app is essential to all Chinese learners to master Chinese tone quickly. It could be used for tone lecture demonstration purpose too. In the lite version ToneDetector: 1. detects sample tone contours. 2. covers 56 base syllables and 185 tonal syllables. 3. assesses your tone perception ability using 5 random syllables. In the full version ToneDetector: 1. detects both sample tone contours and your tone contours. 2. covers all the Mandarin Chinese syllables with lexical tones. They are 407 base syllables and 1259 tonal syllables. 3. supports to select syllables randomly, or select syllables by typing. 4. assesses your tone perception ability using 20 random syllables.
Screenshots
Verdict
The clearest difference is review sentiment: Pinyin Chart at 82% against ToneDetector Lite's 33%. Pinyin Chart also leads on update cadence (every 2 months vs every 30 months). ToneDetector Lite's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 10). On price, ratings volume, 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
Both are free to download. Pinyin Chart sells 10 one-off in-app purchases. ToneDetector Lite asks for nothing beyond the download.
ToneDetector Lite holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 82% of Pinyin Chart's written reviews are positive against 33% of ToneDetector Lite's, so the app with the better star average is not the one people write more warmly about.
Pinyin Chart ships an update every 2 months, ToneDetector Lite every 30 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Pinyin Chart | ToneDetector Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 82.1% of reviews — better | 33.3% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 2 months — better | Every 30 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | OnDemandWorld (HK) | Jian Cheng |
Customer experience
Pinyin Chart
ToneDetector Lite
Bugs and requests
Pinyin Chart
Reported bugs
8 issues- Audio does not work on iPhone (works on iPad)
- App crashes frequently on iOS 4.2
- Nag screen freezes application making it unusable
- Restore purchase button not accessible/scrollable
- Some sounds don't work (e.g., 'ue' sound)
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- Ads appear at random intervals disrupting usage
- Remove ads button hidden behind tiny button
- In-app purchase mismatch between App Store and app
Requested features
9 requests- Male voice option in addition to female voice
- Instructions on how to properly form sounds
- Search functionality to find specific pinyin
- Ability to highlight and listen to entire rows/columns
- English meanings for words (e.g., ma = mom, horse, yell)
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- Pronunciation guide for complete words and sentences
- Modern, improved visual design
- Settings page for app preferences
- Proper restore purchase functionality
ToneDetector Lite
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pinyin Chart
- Remove Ads$0.99
- Dragons Theme$0.99
- Dragon Boat Festival Theme$0.99
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- Halloween Theme$0.99
- Mid-Autumn Theme$0.99
- Panda Theme$0.99
- Winter Solstic Theme$0.99
- All Lessons$4.99
- All Themes$4.99
- VIP$9.99
ToneDetector Lite
No in-app purchases
Questions
Is Pinyin Chart free?
Is ToneDetector Lite free?
Which has better reviews, Pinyin Chart or ToneDetector Lite?
Do Pinyin Chart or ToneDetector Lite have ads?
Which is updated more often, Pinyin Chart or ToneDetector Lite?
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