# AI Author vs Chat AI

The clearest difference is update cadence: AI Author at every 2 weeks against Chat AI's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Author sells 3 in-app purchases, starting at $2.99 per 7 days and Chat AI sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Author ships an update every 2 weeks, Chat AI monthly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | AI Author | Chat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (268 ratings)](https://appshunter.io/ios/app/ai-author-write-like-writers/id6445870532/reviews)** | — |
| Number of ratings | **268** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Subscription | — |
| Size | 51 MB | 60 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [faisal khalid](https://appshunter.io/developer/671706631) | [Rempee TOO](https://appshunter.io/developer/1802017183) |

## What reviewers say

### AI Author

[App page](https://appshunter.io/ios/app/ai-author-write-like-writers/id6445870532)

Transform your writing with AI by emulating the styles of over 1000 renowned authors. Easily generate books, articles, and stories, then export them as professional PDFs. Seamlessly integrate with note-taking apps like GoodNotes.

**Highlights:** Emulate 1000+ author writing styles, AI-powered book, article, and story writing, Add custom author styles, Convert text to professional PDF, Copy text to GoodNotes, Unlimited writing and conversions (premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEEKLY | $2.99 | per 7 days |
| MONTHLY | $9.99 | per month |
| YEARLY | $29.99 | per year |


### Chat AI

[App page](https://appshunter.io/ios/app/chat-ai-question-and-answer-bot/id6584531539)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI: One week | $9.99 | per 7 days |
| Chat AI: One month | $17.99 | per month |
| Chat AI: One year | $49.99 | per year |


## Frequently asked questions

### Is AI Author free?

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

### Is Chat AI free?

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

### Do AI Author or Chat AI have ads?

Neither AI Author nor Chat AI shows ads.

### Which is updated more often, AI Author or Chat AI?

AI Author ships an update every 2 weeks, and Chat AI monthly. Most recently, AI Author was updated on September 22, 2026 and Chat AI on September 23, 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.*