# 火龙果 vs CoStudy(HD)

火龙果 and CoStudy(HD) both sit at 4.4 stars, but that hides the real split: 94% of CoStudy(HD)'s written reviews are positive against 43% of 火龙果's. 火龙果's advantage is ads (none vs shown) and device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 火龙果 sells 10 in-app purchases, starting at $3.49 per month and CoStudy(HD) sells 10 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for 火龙果 against 4.3 for CoStudy(HD). Both are backed by a comparable volume of ratings — 17 and 36 respectively. Written reviews are what separate them: 43% of 火龙果's written reviews are positive against 94% of CoStudy(HD)'s.

火龙果 ships an update every 3 weeks, CoStudy(HD) monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | 火龙果 | CoStudy(HD) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (17 ratings)](https://appshunter.io/ios/app/and/id1515264380/reviews)** | [4.3 (36 ratings)](https://appshunter.io/ios/app/costudyhd/id1529574126/reviews) |
| Number of ratings | 17 | **36** |
| Positive reviews | 42.9% of reviews | **93.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 88 MB | 384 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [北京香侬慧语科技有限责任公司](https://appshunter.io/developer/1515264379) | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) |

## What reviewers say

### 火龙果

[App page](https://appshunter.io/ios/app/and/id1515264380)

Enhance your English with a vast library of original works, listening features, and grammar explanations. Prepare for exams with practice tests and improve your writing with intelligent grammar correction and translation tools. Access your progress across multiple devices seamlessly.

**Highlights:** 40,000+ English original works, Audiobooks and reading aloud, Grammar explanations and校对, Exam practice tests (考研, 四六级), AI-powered writing correction and rewriting, Dual-screen English-Chinese translation, Cross-device synchronization

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 标准版会员连续包月 | $3.49 | per month |
| 专业版会员连续包周 | $6.99 | per 7 days |
| 标准版会员连续包季 | $8.99 | per 3 months |
| 标准版会员连续包年 | $29.99 | per year |
| 标准版月会员 | $3.99 | one-time |
| 专业版周会员 | $6.99 | one-time |
| 专业版月会员 | $9.99 | one-time |
| 标准版季度会员 | $12.99 | one-time |
| 专业版季度会员 | $24.99 | one-time |
| 标准版年会员 | $29.99 | one-time |


### CoStudy(HD)

[App page](https://appshunter.io/ios/app/costudyhd/id1529574126)

This app creates a virtual study environment to combat the loneliness of solo learning. It offers features like virtual classrooms, study partners, and focused study sessions with rewards to boost motivation and productivity.

**Highlights:** Virtual campus with different learning buildings, Find study partners with similar goals, Study with friends as virtual desk mates, Strict focus mode with time limits, Earn rewards for focused study sessions, Virtual classroom atmosphere

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Co岛会员-连续包月 | $3.99 | per month |
| 购买10个Co钻 | $0.99 | one-time |
| 购买60个Co钻 | $0.99 | one-time |
| 购买180个Co钻 | $2.99 | one-time |
| 购买300个Co钻 | $3.99 | one-time |
| 购买680个Co钻 | $9.99 | one-time |
| 购买980个Co钻 | $14.99 | one-time |
| 购买1280个Co钻 | $19.99 | one-time |
| 购买1980个Co钻 | $29.99 | one-time |
| 购买6480个Co钻 | $99.99 | one-time |

**What reviewers like**

- 👍 Helpful for self-discipline
- 🤝 Ability to study with others
- 💰 Earn coins to buy items
- 🎨 Cute and appealing design
- 🕰️ Effective time management features

**What reviewers complain about**

- 🐛 Connectivity issues
- 🤖 Occasional app crashes
- 💸 Expensive in-app purchases
- 🔒 Difficulty with verification codes

**Reported bugs**

- Inconsistent recording of study time
- Difficulty ending study sessions properly

**Requested features**

- Ability to invite friends to private study rooms
- Option to track study progress and analytics
- Improved sleep tracking and reminders
- More customization options for personal spaces


## Frequently asked questions

### Is 火龙果 free?

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

### Is CoStudy(HD) free?

CoStudy(HD) is free to download, with in-app purchases available.

### Which has better reviews, 火龙果 or CoStudy(HD)?

火龙果 is rated higher. 火龙果 averages 4.4 out of 5 from 17 ratings, while CoStudy(HD) averages 4.3 from 36 ratings.

### Do 火龙果 or CoStudy(HD) have ads?

CoStudy(HD) shows ads; 火龙果 does not.

### Which is updated more often, 火龙果 or CoStudy(HD)?

火龙果 ships an update every 3 weeks, and CoStudy(HD) monthly. Most recently, 火龙果 was updated on November 3, 2026 and CoStudy(HD) on November 3, 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.*