# COE教练 vs LockStudy

The clearest difference is in-app purchases: COE教练 at none against LockStudy's 2. COE教练 also leads on iOS requirement (9.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LockStudy sells 2 in-app purchases, starting at $1.99 per month. COE教练 asks for nothing beyond the download.

COE教练 ships an update every 2 months, LockStudy monthly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | COE教练 | LockStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 33 MB | 8 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [南京菁英荟萃网络科技有限公司](https://appshunter.io/developer/1741460817) | [Glanz Studio](https://appshunter.io/developer/1785357972) |

## What reviewers say

### COE教练

[App page](https://appshunter.io/ios/app/coe/id1479353186)

**In-app purchases:** none


### LockStudy

[App page](https://appshunter.io/ios/app/lockstudy-built-for-focus/id6756006023)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LockStudy Pro Monthly | $1.99 | per month |
| LockStudy Pro Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is COE教练 free?

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

### Is LockStudy free?

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

### Do COE教练 or LockStudy have ads?

Neither COE教练 nor LockStudy shows ads.

### Which is updated more often, COE教练 or LockStudy?

COE教练 ships an update every 2 months, and LockStudy monthly. Most recently, COE教练 was updated on September 21, 2026 and LockStudy on September 23, 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.*