# HSK Study and Exam vs duiduidui!

The clearest difference is ratings volume: HSK Study and Exam at 1.1K against duiduidui!'s 3. HSK Study and Exam also leads on update cadence (fortnightly vs every 6 weeks) and device support (3 vs 1). duiduidui!'s advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. HSK Study and Exam sells 10 in-app purchases, starting at $15.99 per month and duiduidui! sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

duiduidui! holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HSK Study and Exam has 1.1K ratings behind it against 3, so its average is the more settled of the two.

HSK Study and Exam ships an update fortnightly, duiduidui! every 6 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HSK Study and Exam | duiduidui! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/hsk-study-and-exam-supertest/id1335503360/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/duiduidui/id6771224415/reviews)** |
| Number of ratings | **1.1K** | 3 |
| Positive reviews | 73.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 152 MB | 111 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Shanghai Yuxuan Information Technology Co. , Ltd](https://appshunter.io/developer/1406232240) | [Red Thread Labs LLC](https://appshunter.io/developer/1896775112) |

## What reviewers say

### HSK Study and Exam

[App page](https://appshunter.io/ios/app/hsk-study-and-exam-supertest/id1335503360)

Prepare for the HSK Mandarin Chinese proficiency exam with this comprehensive study tool. It offers practice questions, mock exams, vocabulary training, and detailed explanations for all six HSK levels. Achieve your goals for studying or working in China.

**Highlights:** HSK vocabulary training, Practice listening, reading, and writing, Detailed answer explanations, Over 300,000 practice questions, Mock HSK exams, Covers HSK levels 1-6

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HSKOnline vip renew 118 | $15.99 | per month |
| AI MAX 1 Month Package | $24.99 | per month |
| AI MAX 12-Month Package | $79.99 | per year |
| HSK Online Membership 1 month | $5.99 | one-time |
| HSKOnline Lifetime VIP | $29.99 | one-time |
| HSKOnline Lifetime VIP | $56.99 | one-time |
| HSKOnline lifetime vip plus 3 | $59.99 | one-time |
| HSKOnline lifetime vip plus 2 | $74.99 | one-time |
| HSKOnline lifetime vip plus 1 | $89.99 | one-time |
| HSKOnline lifetime vip plus | $109.99 | one-time |

**What reviewers like**

- 👍 Helpful for HSK preparation
- 🚀 Efficient for vocabulary and grammar practice
- 💡 Comprehensive coverage of HSK levels
- 🔒 Secure and reliable
- 🎉 Great user experience

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔍 Limited free features, requires paid subscription
- 🌐 Inconsistent translations and explanations
- 🔊 Audio issues with sound not working
- 📱 Compatibility issues on certain devices

**Reported bugs**

- Freezing during mock tests and lessons
- Inability to log in or access purchased content
- Incorrect or missing translations
- Inconsistent behavior when switching between devices
- Unreliable audio playback

**Requested features**

- Add dark mode option
- Improve iPad support and landscape mode
- Provide more detailed grammar explanations
- Integrate traditional Chinese character support
- Enhance offline functionality


### duiduidui!

[App page](https://appshunter.io/ios/app/duiduidui/id6771224415)

This app offers a comprehensive Chinese dictionary with audio and example sentences, plus an AI tutor for grammar and conversation practice. Features include a personal phrasebook, camera translation, and adaptive flashcards to track learning progress. It's designed to adapt to your learning style and grow with you from beginner to fluency.

**Highlights:** Comprehensive Mandarin dictionary, AI tutor for grammar and conversation, Personal phrasebook, Camera-based translation, Adaptive flashcards, Offline functionality, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Annual | $89.99 | per year |


## Frequently asked questions

### Is HSK Study and Exam free?

HSK Study and Exam is free to download, with in-app purchases available.

### Is duiduidui! free?

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

### Which has better reviews, HSK Study and Exam or duiduidui!?

duiduidui! is rated higher. HSK Study and Exam averages 4.7 out of 5 from 1.1K ratings, while duiduidui! averages 5.0 from 3 ratings.

### Do HSK Study and Exam or duiduidui! have ads?

Neither HSK Study and Exam nor duiduidui! shows ads.

### Which is updated more often, HSK Study and Exam or duiduidui!?

HSK Study and Exam ships an update fortnightly, and duiduidui! every 6 weeks. Most recently, HSK Study and Exam was updated on November 6, 2026 and duiduidui! on October 31, 2026.

---

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