# AI Essay Optimization vs VVBIT

The clearest difference is in-app purchases: VVBIT at none against AI Essay Optimization's 3. AI Essay Optimization's advantage is update cadence (every 6 days vs fortnightly) and iOS requirement (11.0 vs 13.0). On price, ads 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. VVBIT asks for nothing beyond the download.

AI Essay Optimization ships an update every 6 days, VVBIT fortnightly. The most recent releases landed on March 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | AI Essay Optimization | VVBIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 34 MB | 62 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [立元 赵](https://appshunter.io/developer/1286588316) | [VVbit LLC](https://appshunter.io/developer/6771621073) |

## 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 |


### VVBIT

[App page](https://appshunter.io/ios/app/vvbit/id6670598910)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Essay Optimization free?

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

### Is VVBIT free?

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

### Do AI Essay Optimization or VVBIT have ads?

Neither AI Essay Optimization nor VVBIT shows ads.

### Which is updated more often, AI Essay Optimization or VVBIT?

AI Essay Optimization ships an update every 6 days, and VVBIT fortnightly. Most recently, AI Essay Optimization was updated on March 14, 2026 and VVBIT on September 20, 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.*