# CoStudy vs ClassLog

The clearest difference is in-app purchases: ClassLog at none against CoStudy's 13. ClassLog also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CoStudy sells 13 in-app purchases, starting at $3.99 per month. ClassLog asks for nothing beyond the download.

CoStudy ships an update every 3 weeks, ClassLog monthly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CoStudy | ClassLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (71 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 92.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 384 MB | 21 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) | [明昭 路](https://appshunter.io/developer/1890357342) |

## What reviewers say

### 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


### ClassLog

[App page](https://appshunter.io/ios/app/classlog-attendance-tracker/id6791393409)

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

**In-app purchases:** none


## Frequently asked questions

### Is CoStudy free?

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

### Is ClassLog free?

ClassLog is free to download, with no in-app purchases.

### Do CoStudy or ClassLog have ads?

CoStudy shows ads; ClassLog does not.

### Which is updated more often, CoStudy or ClassLog?

CoStudy ships an update every 3 weeks, and ClassLog monthly. Most recently, CoStudy was updated on October 14, 2026 and ClassLog on October 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.*