# CoStudy vs OnTime Crew

The clearest difference is ads: OnTime Crew at none against CoStudy's shown. CoStudy's advantage is iOS requirement (13.0 vs 16.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. CoStudy sells 13 in-app purchases, starting at $3.99 per month and OnTime Crew sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

CoStudy ships an update every 3 weeks, OnTime Crew fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CoStudy | OnTime Crew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (72 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 92.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 384 MB | 25 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) | [XU JUANJUAN](https://appshunter.io/developer/6802526182) |

## 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


### OnTime Crew

[App page](https://appshunter.io/ios/app/ontime-crew/id6802536762)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is CoStudy free?

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

### Is OnTime Crew free?

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

### Do CoStudy or OnTime Crew have ads?

CoStudy shows ads; OnTime Crew does not.

### Which is updated more often, CoStudy or OnTime Crew?

CoStudy ships an update every 3 weeks, and OnTime Crew fortnightly. Most recently, CoStudy was updated on October 30, 2026 and OnTime Crew on October 24, 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.*