# 文娃改作文 vs AI Essay Optimization

The clearest difference is update cadence: AI Essay Optimization at every 6 days against 文娃改作文's fortnightly. AI Essay Optimization also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 文娃改作文 sells 5 one-off in-app purchases and AI Essay Optimization sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

文娃改作文 ships an update fortnightly, AI Essay Optimization every 6 days. The most recent releases landed on September 15, 2026 and March 14, 2026 respectively.

## The numbers

| Metric | 文娃改作文 | AI Essay Optimization |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 19 MB | 34 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [仿脑科技(深圳)有限公司](https://appshunter.io/developer/1601750752) | [立元 赵](https://appshunter.io/developer/1286588316) |

## What reviewers say

### 文娃改作文

[App page](https://appshunter.io/ios/app/id1465705013)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 花费18元购买一个月vip会员 | $2.99 | one-time |
| 包月18元 | $2.99 | one-time |
| 包季度48元 | $6.99 | one-time |
| 包年168元 | $24.99 | one-time |
| 花费198元获取一年vip会员 | $29.99 | one-time |


### AI Essay Optimization

[App page](https://appshunter.io/ios/app/ai-essay-optimization/id6447417135)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One week | $0.99 | per 7 days |
| one month | $2.99 | per month |
| One year | $12.99 | per year |


## Frequently asked questions

### Is 文娃改作文 free?

文娃改作文 is free to download, with in-app purchases available.

### Is AI Essay Optimization free?

AI Essay Optimization is free to download, with in-app purchases available.

### Do 文娃改作文 or AI Essay Optimization have ads?

Neither 文娃改作文 nor AI Essay Optimization shows ads.

### Which is updated more often, 文娃改作文 or AI Essay Optimization?

文娃改作文 ships an update fortnightly, and AI Essay Optimization every 6 days. Most recently, 文娃改作文 was updated on September 15, 2026 and AI Essay Optimization on March 14, 2026.

---

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