# AI Writeon vs Keven.ai

The clearest difference is update cadence: Keven.ai at every 6 weeks against AI Writeon's every 13 months. AI Writeon's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Writeon sells 1 in-app purchase, starting at $3.99 per month and Keven.ai sells 1 in-app purchase, starting at $99.00 per month. Whichever you choose, the download price is not the number that matters.

AI Writeon ships an update every 13 months, Keven.ai every 6 weeks. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AI Writeon | Keven.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Size | 43 MB | 26 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Svitlana Skibа](https://appshunter.io/developer/1678778094) | [Keven, Inc.](https://appshunter.io/developer/1700375826) |

## What reviewers say

### AI Writeon

[App page](https://appshunter.io/ios/app/ai-writeon/id6446998285)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $3.99 | per month |


### Keven.ai

[App page](https://appshunter.io/ios/app/kevenai/id6456264255)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $99.00 | per month |


## Frequently asked questions

### Is AI Writeon free?

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

### Is Keven.ai free?

Keven.ai is free to download, with in-app purchases available.

### Do AI Writeon or Keven.ai have ads?

Neither AI Writeon nor Keven.ai shows ads.

### Which is updated more often, AI Writeon or Keven.ai?

AI Writeon ships an update every 13 months, and Keven.ai every 6 weeks. Most recently, AI Writeon was updated on October 3, 2026 and Keven.ai on October 10, 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.*