# Task Alarm vs CoStudy

The clearest difference is rating: CoStudy at 4.8 against Task Alarm's 4.4. CoStudy also leads on ratings volume (71 vs 19). Task Alarm's advantage is iOS requirement (10.0 vs 13.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Task Alarm sells 1 one-off in-app purchase 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.

CoStudy holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 19 and 71 respectively. Written reviews point the same way: 85% of Task Alarm's written reviews are positive against 93% of CoStudy's.

Task Alarm ships an update monthly, CoStudy every 3 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Task Alarm | CoStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (19 ratings)](https://appshunter.io/ios/app/task-alarm-work-assistant/id1248701536/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/costudy/id1617091849/reviews)** |
| Number of ratings | 19 | **71** |
| Positive reviews | 85.2% of reviews | **92.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 383 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广杰 周](https://appshunter.io/developer/1059287118) | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) |

## What reviewers say

### Task Alarm

[App page](https://appshunter.io/ios/app/task-alarm-work-assistant/id1248701536)

This app helps you stay focused by setting timed intervals for work or study. It alarms you when you attempt to use your phone during these focus periods, encouraging uninterrupted productivity.

**Highlights:** Set timed focus intervals, Alarm to prevent phone use, Encourages uninterrupted work, Simple step-by-step setup, Lock device screen integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ad Version | $0.99 | 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 Task Alarm free?

Task Alarm 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, Task Alarm or CoStudy?

CoStudy is rated higher. Task Alarm averages 4.4 out of 5 from 19 ratings, while CoStudy averages 4.8 from 71 ratings.

### Do Task Alarm or CoStudy have ads?

Both Task Alarm and CoStudy show ads.

### Which is updated more often, Task Alarm or CoStudy?

Task Alarm ships an update monthly, and CoStudy every 3 weeks. Most recently, Task Alarm was updated on September 21, 2026 and CoStudy on September 22, 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.*