# AI Essay Optimization vs AI写作神器Pro

The clearest difference is update cadence: AI Essay Optimization at every 6 days against AI写作神器Pro's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Essay Optimization sells 3 in-app purchases, starting at $0.99 per 7 days and AI写作神器Pro sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Essay Optimization ships an update every 6 days, AI写作神器Pro every 5 weeks. The most recent releases landed on March 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AI Essay Optimization | AI写作神器Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Size | 34 MB | 42 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [立元 赵](https://appshunter.io/developer/1286588316) | [YYDS Limited](https://appshunter.io/developer/1582146683) |

## What reviewers say

### 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 |


### AI写作神器Pro

[App page](https://appshunter.io/ios/app/aipro-and/id6736682283)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI写作Pro周会员 | $3.99 | per 7 days |
| AI写作Pro月会员 | $4.99 | per month |
| AI写作Pro季会员 | $9.99 | per 3 months |
| AI写作Pro年会员 | $17.99 | per year |


## Frequently asked questions

### Is AI Essay Optimization free?

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

### Is AI写作神器Pro free?

AI写作神器Pro is free to download, with in-app purchases available.

### Do AI Essay Optimization or AI写作神器Pro have ads?

Neither AI Essay Optimization nor AI写作神器Pro shows ads.

### Which is updated more often, AI Essay Optimization or AI写作神器Pro?

AI Essay Optimization ships an update every 6 days, and AI写作神器Pro every 5 weeks. Most recently, AI Essay Optimization was updated on March 14, 2026 and AI写作神器Pro on September 9, 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.*