# NOVXX vs Willit AI

The clearest difference is iOS requirement: Willit AI at 13.0 against NOVXX's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NOVXX ships an update every 3 weeks, Willit AI fortnightly. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | NOVXX | Willit AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 93 MB | 119 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳国瑞发展教育有限公司](https://appshunter.io/developer/1790380871) | [萨思数字科技(北京)有限公司](https://appshunter.io/developer/1884593660) |

## What reviewers say

### NOVXX

[App page](https://appshunter.io/ios/app/novxx/id6745861922)

**Features:** macOS Compatibility

**In-app purchases:** none


### Willit AI

[App page](https://appshunter.io/ios/app/willit-ai/id6760468739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NOVXX free?

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

### Is Willit AI free?

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

### Do NOVXX or Willit AI have ads?

Neither NOVXX nor Willit AI shows ads.

### Which is updated more often, NOVXX or Willit AI?

NOVXX ships an update every 3 weeks, and Willit AI fortnightly. Most recently, NOVXX was updated on September 15, 2026 and Willit AI on September 12, 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.*