# Sinolingua Virtual Library vs Ka

Sinolingua Virtual Library and Ka both sit at 5.0 stars, but that hides the real split: 97% of Ka's written reviews are positive against 0% of Sinolingua Virtual Library's. Ka also leads on update cadence (weekly vs every 3 months) and ratings volume (671 vs 1). Sinolingua Virtual Library's advantage is in-app purchases (none vs 3). On price, rating, ads and device support there is nothing between them.

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 671 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 12, 2026 respectively.

## The numbers

| Metric | Sinolingua Virtual Library | Ka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sinolingua-virtual-library/id1514675779/reviews)** | [4.8 (671 ratings)](https://appshunter.io/ios/app/ka-learn-chinese-tones/id6444140899/reviews) |
| Number of ratings | 1 | **671** |
| Positive reviews | 0.0% of reviews | **96.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 115 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [QueryLoop Inc.](https://appshunter.io/developer/1372503300) | [Kai Loh](https://appshunter.io/developer/1608475988) |

## What reviewers say

### Sinolingua Virtual Library

[App page](https://appshunter.io/ios/app/sinolingua-virtual-library/id1514675779)

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.

**Highlights:** Ebook reading support, Integrated audio stories, Highlighting features, Translation tools, Chinese language and culture content, Collection of ~200 ebooks

**In-app purchases:** none


### Ka

[App page](https://appshunter.io/ios/app/ka-learn-chinese-tones/id6444140899)

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.

**Highlights:** Flashcard game for tone practice, Listening and pronunciation drills, Distinguish similar sounds, Learn correct tone usage, Avoid common pronunciation mistakes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ka Unlimited | $6.99 | per month |
| Ka Unlimited (Yearly) | $47.90 | per year |
| All Access | $12.99 | one-time |

**What reviewers like**

- 👍 Great app for learning tones
- 🎓 Helpful for improving tone recognition
- 🎨 Fun and engaging interface
- 🔍 Effective for practicing pronunciation
- 🌟 Excellent tool for beginners

**What reviewers complain about**

- 🕰️ Limited lives/hearts system
- 🔊 Audio issues with ads
- 🤖 Inconsistent tone recognition
- 🔍 Lack of customization options

**Reported bugs**

- Incorrect tone identification in certain words
- Compatibility issues on older devices

**Requested features**

- Allow retrying incorrect pronunciations
- Add more advanced tone practice exercises
- Implement spaced repetition or progress tracking
- Include traditional Chinese characters


## Frequently asked questions

### Is Sinolingua Virtual Library free?

Sinolingua Virtual Library is free to download, with no in-app purchases.

### Is Ka free?

Ka is free to download, with in-app purchases available.

### Which has better reviews, Sinolingua Virtual Library or Ka?

Sinolingua Virtual Library is rated higher. Sinolingua Virtual Library averages 5.0 out of 5 from 1 ratings, while Ka averages 4.8 from 671 ratings.

### Do Sinolingua Virtual Library or Ka have ads?

Neither Sinolingua Virtual Library nor Ka shows ads.

### Which is updated more often, Sinolingua Virtual Library or Ka?

Sinolingua Virtual Library ships an update every 3 months, and Ka weekly. Most recently, Sinolingua Virtual Library was updated on November 3, 2026 and Ka on November 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*