# YoYo日常 vs CoStudy

YoYo日常 and CoStudy both sit at 4.7 stars, but that hides the real split: 93% of CoStudy's written reviews are positive against 80% of YoYo日常's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. YoYo日常 sells 15 in-app purchases, starting at $0.99 per month and CoStudy sells 13 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 — 4.7 for YoYo日常 against 4.8 for CoStudy. Both are backed by a comparable volume of ratings — 102 and 72 respectively. Written reviews are what separate them: 80% of YoYo日常's written reviews are positive against 93% of CoStudy's.

YoYo日常 ships an update every 5 weeks, CoStudy every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | YoYo日常 | CoStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (102 ratings)](https://appshunter.io/ios/app/yoyo/id1562071067/reviews) | **[4.8 (72 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews)** |
| Number of ratings | **102** | 72 |
| Positive reviews | 79.9% of reviews | **92.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 383 MB | 384 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Chongqing Luxifa Technology Co., Ltd](https://appshunter.io/developer/1561983910) | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) |

## What reviewers say

### YoYo日常

[App page](https://appshunter.io/ios/app/yoyo/id1562071067)

This app helps you build positive habits and achieve personal goals through daily check-ins and focused study sessions. Track your progress, manage your time, and earn rewards as you grow. Connect with friends for mutual encouragement and celebrate your achievements.

**Highlights:** Habit check-ins, Group study sessions, To-do list and Pomodoro timer, Mood journaling, Group habit challenges, Progress statistics, Customizable avatar

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 600朵玫瑰 | $0.99 | one-time |
| 1500朵玫瑰 | $1.99 | one-time |
| 1个月会员 | $2.99 | one-time |
| 3000朵玫瑰 | $2.99 | one-time |
| 永久会员 | $4.99 | one-time |
| 升级永久SVIP | $4.99 | one-time |
| 高效自律营 | $4.99 | one-time |
| 9000朵玫瑰 | $5.99 | one-time |
| 8000朵玫瑰 | $5.99 | one-time |
| 永久会员 | $8.99 | one-time |
| 升级永久VIP | $8.99 | one-time |
| 20000朵玫瑰 | $9.99 | one-time |
| 永久会员-svip | $9.99 | one-time |
| 高效自律营+永久svip | $9.99 | 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 simulates a campus with different buildings and allows users to find study partners and friends to study with, fostering a sense of community and accountability.

**Highlights:** Virtual campus with different buildings, Find study partners based on goals/region, Study with friends as virtual desk mates, Strict focus mode with rules, Earn rewards for focused study sessions, Positive reinforcement for self-discipline

**Features:** Vision Pro support

**In-app purchases (13)**

| 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 |
| Co岛会员-1个月 | $1.99 | 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 |
| Co岛会员-12个月 | $24.99 | one-time |
| Co岛会员-12个月 | $29.99 | 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 YoYo日常 free?

YoYo日常 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, YoYo日常 or CoStudy?

CoStudy is rated higher. YoYo日常 averages 4.7 out of 5 from 102 ratings, while CoStudy averages 4.8 from 72 ratings.

### Do YoYo日常 or CoStudy have ads?

Both YoYo日常 and CoStudy show ads.

### Which is updated more often, YoYo日常 or CoStudy?

YoYo日常 ships an update every 5 weeks, and CoStudy every 3 weeks. Most recently, YoYo日常 was updated on October 30, 2026 and CoStudy on October 30, 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.*