# 七米 vs 笔神作文批改教师版

The clearest difference is in-app purchases: 七米 at none against 笔神作文批改教师版's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 笔神作文批改教师版 sells 2 one-off in-app purchases. 七米 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 七米 | 笔神作文批改教师版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 76 MB | 71 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成都七米牛网络科技有限责任公司](https://appshunter.io/developer/1776323399) | [One Pen Sci-tech Co., Ltd.](https://appshunter.io/developer/1498880039) |

## What reviewers say

### 七米

[App page](https://appshunter.io/ios/app/id6737430684)

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

**In-app purchases:** none


### 笔神作文批改教师版

[App page](https://appshunter.io/ios/app/ai/id6749288364)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI辅导1月会员 | $2.99 | one-time |
| AI辅导一年会员 | $24.99 | one-time |


## Frequently asked questions

### Is 七米 free?

七米 is free to download, with no in-app purchases.

### Is 笔神作文批改教师版 free?

笔神作文批改教师版 is free to download, with in-app purchases available.

### Do 七米 or 笔神作文批改教师版 have ads?

Neither 七米 nor 笔神作文批改教师版 shows ads.

### Which is updated more often, 七米 or 笔神作文批改教师版?

七米 ships an update monthly, and 笔神作文批改教师版 monthly. Most recently, 七米 was updated on September 23, 2026 and 笔神作文批改教师版 on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*