# Writeroo vs Ultimate Book Writer

The clearest difference is in-app purchases: Writeroo at none against Ultimate Book Writer's 4. Writeroo also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (14.0 vs 18.5). Ultimate Book Writer's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Ultimate Book Writer sells 4 one-off in-app purchases. Writeroo asks for nothing beyond the download.

Writeroo ships an update every 6 days, Ultimate Book Writer every 2 months. The most recent releases landed on November 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Writeroo | Ultimate Book Writer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ultimate-book-writer/id6749588175/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 27 MB | 14 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Shivank Kacker](https://appshunter.io/developer/1719771947) | [Lihai La LLC](https://appshunter.io/developer/1831311728) |

## What reviewers say

### Writeroo

[App page](https://appshunter.io/ios/app/writeroo-read-and-write/id6473778128)

A social platform for readers and writers to discover stories and connect with a literary community. Engage with captivating narratives and contribute to the evolution of storytelling.

**Highlights:** Social platform for readers and writers, Discover captivating stories, Connect with a literary community, Shape the future of storytelling, Engage with narratives

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Book Writer

[App page](https://appshunter.io/ios/app/ultimate-book-writer/id6749588175)

Transform your ideas into complete, professionally written ebooks using AI. This assistant generates full-length books across various genres, from fiction to business guides, in a fraction of the time. It offers smart project management and exports to multiple formats.

**Highlights:** AI-powered book generation, Full-length book creation, Multiple genre support, Customizable book length, Smart project management, Export to TXT, EPUB, Apple Books, Overcome writer's block

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Credit | $0.99 | one-time |
| 10 Credits | $9.99 | one-time |
| 100 Credits | $99.99 | one-time |
| 500 Credits | $499.99 | one-time |


## Frequently asked questions

### Is Writeroo free?

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

### Is Ultimate Book Writer free?

Ultimate Book Writer is free to download, with in-app purchases available.

### Do Writeroo or Ultimate Book Writer have ads?

Writeroo shows ads; Ultimate Book Writer does not.

### Which is updated more often, Writeroo or Ultimate Book Writer?

Writeroo ships an update every 6 days, and Ultimate Book Writer every 2 months. Most recently, Writeroo was updated on November 4, 2026 and Ultimate Book Writer on October 7, 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.*