# Productor KDP vs AI Author

The clearest difference is review sentiment: AI Author at 88% against Productor KDP's 31%. AI Author also leads on rating (4.6 vs 3.9) and ratings volume (270 vs 7). Productor KDP's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.6). On price, ads 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. Productor KDP asks for nothing beyond the download.

AI Author holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: AI Author has 270 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 31% of Productor KDP's written reviews are positive against 88% of AI Author's.

Productor KDP ships an update monthly, AI Author every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Productor KDP | AI Author |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/productor-kdp/id1548679511/reviews) | **[4.6 (270 ratings)](https://appshunter.io/ios/app/ai-author-write-like-writers/id6445870532/reviews)** |
| Number of ratings | 7 | **270** |
| Positive reviews | 30.8% of reviews | **87.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 51 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Productor LLC](https://appshunter.io/developer/1591239045) | [faisal khalid](https://appshunter.io/developer/671706631) |

## What reviewers say

### Productor KDP

[App page](https://appshunter.io/ios/app/productor-kdp/id1548679511)

Easily track your Kindle Direct Publishing sales data with this app. View daily, monthly, and historical sales figures and receive instant notifications for new sales.

**Highlights:** KDP sales tracking, Daily sales view, Monthly sales view, Historical sales data, New sale notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Productor KDP free?

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

### Is AI Author free?

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

### Which has better reviews, Productor KDP or AI Author?

AI Author is rated higher. Productor KDP averages 3.9 out of 5 from 7 ratings, while AI Author averages 4.6 from 270 ratings.

### Do Productor KDP or AI Author have ads?

Neither Productor KDP nor AI Author shows ads.

### Which is updated more often, Productor KDP or AI Author?

Productor KDP ships an update monthly, and AI Author every 2 weeks. Most recently, Productor KDP was updated on October 24, 2026 and AI Author on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*