# 小光芒 vs CoStudy

The clearest difference is ads: 小光芒 at none against CoStudy's shown. CoStudy's advantage is ratings volume (72 vs 21). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. 小光芒 sells 10 one-off in-app purchases 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 — 4.8 for 小光芒 against 4.8 for CoStudy. Both are backed by a comparable volume of ratings — 21 and 72 respectively. Written reviews are what separate them: 92% of 小光芒's written reviews are positive against 93% of CoStudy's.

小光芒 ships an update monthly, CoStudy every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 小光芒 | CoStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (21 ratings)](https://appshunter.io/ios/app/id1580848041/reviews) | **[4.8 (72 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews)** |
| Number of ratings | 21 | **72** |
| Positive reviews | 91.7% of reviews | **92.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 173 MB | 384 MB |
| Requires iOS | **12.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Wuhan nine point mutual Entertainment Technology Co., Ltd.](https://appshunter.io/developer/1435121537) | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) |

## What reviewers say

### 小光芒

[App page](https://appshunter.io/ios/app/id1580848041)

This app helps users build good habits through daily check-ins, encouragement from others, and rewards. It offers tools for time management, goal setting, and personal growth, making habit formation simpler and more effective.

**Highlights:** Daily habit check-ins, Encouragement from strangers, Habit achievement medals, Incentive-based reward system, Study buddy feature, Daily reflection journal, Future self letter writing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元项目 | $0.99 | one-time |
| 1个月会员 | $1.99 | one-time |
| 18元项目 | $2.99 | one-time |
| 毅力buff | $2.99 | one-time |
| 季度会员优惠价 | $3.99 | one-time |
| 1个季度会员 | $7.99 | one-time |
| 一年会员 | $9.99 | one-time |
| 1年会员 | $14.99 | one-time |
| 终生会员 | $14.99 | one-time |
| 198元项目 | $29.99 | 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 小光芒 free?

小光芒 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, 小光芒 or CoStudy?

CoStudy is rated higher. 小光芒 averages 4.8 out of 5 from 21 ratings, while CoStudy averages 4.8 from 72 ratings.

### Do 小光芒 or CoStudy have ads?

CoStudy shows ads; 小光芒 does not.

### Which is updated more often, 小光芒 or CoStudy?

小光芒 ships an update monthly, and CoStudy every 3 weeks. Most recently, 小光芒 was updated on October 24, 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.*