# 柠檬自习室 vs CoStudy

The clearest difference is ratings volume: CoStudy at 72 against 柠檬自习室's 18. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. 柠檬自习室 sells 4 one-off in-app purchases and CoStudy 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 — 4.9 for 柠檬自习室 against 4.8 for CoStudy. Both are backed by a comparable volume of ratings — 18 and 72 respectively. Written reviews are what separate them: 95% of 柠檬自习室's written reviews are positive against 93% of CoStudy's.

柠檬自习室 ships an update every 6 weeks, CoStudy every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 柠檬自习室 | CoStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/id1562565200/reviews)** | [4.8 (72 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews) |
| Number of ratings | 18 | **72** |
| Positive reviews | **94.6% of reviews** | 92.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 171 MB | 385 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Ningmengyoumeng Science & Technology Co., Ltd](https://appshunter.io/developer/1452864063) | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) |

## What reviewers say

### 柠檬自习室

[App page](https://appshunter.io/ios/app/id1562565200)

This app provides a virtual study environment to help users develop consistent study habits and improve focus. It offers various virtual classrooms, reminders, and daily statistics to track progress.

**Highlights:** Online study sessions, Choice of virtual classrooms, Realistic classroom simulation, Daily study statistics, Progress tracking, Reminders and check-ins

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 柠檬叶12元 | $1.99 | one-time |
| 自习礼盒-18元 | $2.99 | one-time |
| 柠檬叶18元 | $2.99 | one-time |
| 自习礼盒-25元 | $3.99 | one-time |


### CoStudy

[App page](https://appshunter.io/ios/app/costudy/id1617091849)

This app creates a virtual study environment to combat the loneliness of solo learning. It offers gamified features like virtual currency and customizable avatars, alongside strict focus timers and social study groups to enhance discipline and motivation.

**Highlights:** Virtual campus with themed buildings, Find study partners based on goals, Study with friends as virtual desk mates, Strict focus timers with rewards, Gamified currency for self-discipline, Customizable avatars and personal space

**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450个Co钻 | $5.99 | one-time |
| 购买680个Co钻 | $9.99 | one-time |
| 购买1280个Co钻 | $19.99 | one-time |
| 购买1980个Co钻 | $29.99 | one-time |
| 购买3280个Co钻 | $49.99 | one-time |

**What reviewers like**

- 🎮 Cute and visually appealing interface design
- 🎯 Effective focus and concentration enhancement
- 👥 Social learning features with friends and study groups
- 💰 Gamification through virtual currency and clothing rewards
- 🏫 Virtual study room with other users for motivation

**What reviewers complain about**

- 🌍 No English language support despite international user base
- 💸 Increasing monetization of previously free cosmetics
- 📱 Phone verification issues for international users
- 🔗 Inconsistent server connectivity for overseas users
- ⚠️ Occasional app crashes and technical glitches

**Reported bugs**

- App crashes and sudden crashes when opening
- Server connection errors for international users
- Phone verification codes not being sent to international numbers
- Study sessions interrupted by incoming call notifications
- Unable to change language settings despite English tag in app store

**Requested features**

- English language version for international users
- iOS whitelist integration with Screen Time
- Widget functionality for daily/monthly check-in tracking
- Voice chat feature in study rooms
- More affordable cosmetic options purchasable with earned currency


## Frequently asked questions

### Is 柠檬自习室 free?

柠檬自习室 is free to download, with in-app purchases available.

### Is CoStudy free?

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

### Which has better reviews, 柠檬自习室 or CoStudy?

柠檬自习室 is rated higher. 柠檬自习室 averages 4.9 out of 5 from 18 ratings, while CoStudy averages 4.8 from 72 ratings.

### Do 柠檬自习室 or CoStudy have ads?

Both 柠檬自习室 and CoStudy show ads.

### Which is updated more often, 柠檬自习室 or CoStudy?

柠檬自习室 ships an update every 6 weeks, and CoStudy every 3 weeks. Most recently, 柠檬自习室 was updated on November 3, 2026 and CoStudy on November 7, 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.*