Sinolingua Virtual Library vs Ka
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sinolingua Virtual Library
Access a collection of Chinese language learning ebooks with integrated audio, highlighting, and translation. Explore stories that delve into Chinese language and culture, offering an immersive reading experience.
- Ebook reading support
- Integrated audio stories
- Highlighting features
- Translation tools
- Chinese language and culture content
- Collection of ~200 ebooks
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Sinolingua, a specialist publisher of Chinese language learning materials from China, has developed this APP to support ebook reading via your mobile devices. We hope to enhance your reading experience and bring you a higher level of enjoyment and convenience! Please feel free to browse through our ebooks and experience the joy of reading at the comfort of your palm. Carefully blended from a variety of stimulating genres, we have released about 200 ebooks and more in the coming months. Current ebooks are mostly readers and are well supported with audio, highlighting and translation features. Reading our stories, you will learn about Chinese language and culture developed from 5000 years of civilization. With eyes closed and experience our audio stories, you will feel like you are already in China!
Ka
Master Mandarin Chinese tones with this engaging flashcard game. Practice listening and pronunciation through quick drills to distinguish between similar sounds and avoid common pronunciation errors. Become fluent in recognizing and using the correct tones.
- Flashcard game for tone practice
- Listening and pronunciation drills
- Distinguish similar sounds
- Learn correct tone usage
- Avoid common pronunciation mistakes
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Having trouble with Chinese tones? Can you pronounce words using the correct tone? Are you able to tell apart similar sounds? Do you know when to use which tone? Many people think that Chinese is an impossibly complex tonal language to master — but that's before they've tried Ka! Ka is a fun, fast-paced flashcards game that introduces you to the range of different sounds that make up the Chinese language and gives you plenty of listening and pronunciation practice via quick, snappy drills. With Ka, you'll quickly learn to recognize and tell the difference between different syllables in Mandarin Chinese. By swiping and tapping away in this addictive card-based game, you're drilling your way to Chinese fluency with plenty of listening and speaking practice. You'll stop making embarrassing mistakes like confusing mā (mother) for mǎ (horse) and shāng hài (hurt) for shàng hǎi (Shanghai)! ------ End user license agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Ka at 97% against Sinolingua Virtual Library's 0%. Ka also leads on update cadence (weekly vs every 3 months) and ratings volume (666 vs 1). Sinolingua Virtual Library's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.8). On price, ads, device support and iOS requirement 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. Ka sells 3 in-app purchases, starting at $6.99 per month. Sinolingua Virtual Library asks for nothing beyond the download.
Sinolingua Virtual Library holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Ka has 666 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Sinolingua Virtual Library's written reviews are positive against 97% of Ka's, so the app with the better star average is not the one people write more warmly about.
Sinolingua Virtual Library ships an update every 3 months, Ka weekly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Sinolingua Virtual Library | Ka |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (666 ratings) |
| Positive reviews | 0.0% of reviews | 96.9% of reviews — better |
| Number of ratings | 1 | 666 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 75 MB | 115 MB |
| Age rating | +4 | 4+ |
| Developer | QueryLoop Inc. | Kai Loh |
Customer experience
Sinolingua Virtual Library
Ka
Bugs and requests
Sinolingua Virtual Library
Not enough reviews yet to summarise bugs or requests.
Ka
Reported bugs
2 issues- Incorrect tone identification in certain words
- Compatibility issues on older devices
Requested features
4 requests- Allow retrying incorrect pronunciations
- Add more advanced tone practice exercises
- Implement spaced repetition or progress tracking
- Include traditional Chinese characters
In-app purchases
Sinolingua Virtual Library
No in-app purchases
Ka
- Ka Unlimited$6.991 Month
- Ka Unlimited (Yearly)$47.901 Year
- All Access$12.99
Questions
Is Sinolingua Virtual Library free?
Is Ka free?
Which has better reviews, Sinolingua Virtual Library or Ka?
Do Sinolingua Virtual Library or Ka have ads?
Which is updated more often, Sinolingua Virtual Library or Ka?
Other comparisons
