# Poetrify vs Infinite Library

The clearest difference is in-app purchases: Poetrify at none against Infinite Library's 4. Poetrify also leads on iOS requirement (13.0 vs 17.0). Infinite Library's advantage is rating (4.9 vs 4.5) and ratings volume (41 vs 6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Infinite Library sells 4 one-off in-app purchases. Poetrify asks for nothing beyond the download.

Infinite Library holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Infinite Library has 41 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Poetrify ships an update every 2 weeks, Infinite Library every 6 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Poetrify | Infinite Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/poetrify/id1672683542/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/infinite-libraryai-book-maker/id6742030152/reviews)** |
| Number of ratings | 6 | **41** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 12+ |
| Developer | [Mauro Cristofoli](https://appshunter.io/developer/1672683544) | [Thomas A.Q.T. Truong](https://appshunter.io/developer/1565815544) |

## What reviewers say

### Poetrify

[App page](https://appshunter.io/ios/app/poetrify/id1672683542)

Create and read various document types, including journals, stories, quotes, and poems, using a rich text editor. Organize content by language and connect with a community through profiles and direct messaging. Compete for daily, weekly, and monthly awards based on user likes.

**Highlights:** Rich text editor, Multiple document types (journals, stories, quotes, poems), Language-specific organization, User profiles with social links, Trophy system for popular content, Direct messaging with developer, Tutorial section

**Features:** macOS Compatibility

**In-app purchases:** none


### Infinite Library

[App page](https://appshunter.io/ios/app/infinite-libraryai-book-maker/id6742030152)

This AI-powered tool transforms your ideas into complete, publish-ready books in minutes. It offers an interview-style writing process, supports over 100 languages, and can even convert YouTube videos into manuscripts. You retain full rights and royalties.

**Highlights:** AI ghostwriter for book creation, Generate up to 100,000 words, Interview-style question and answer writing, Supports 100+ languages, Convert YouTube videos to books, Upload and adapt to your content, One-tap Amazon publishing

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark (5K Words) | $44.99 | one-time |
| Wordsmith (20K Words) | $142.99 | one-time |
| Author Pro (50K Words) | $284.99 | one-time |
| Bestseller (100K Words) | $464.99 | one-time |


## Frequently asked questions

### Is Poetrify free?

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

### Is Infinite Library free?

Infinite Library is free to download, with in-app purchases available.

### Which has better reviews, Poetrify or Infinite Library?

Infinite Library is rated higher. Poetrify averages 4.5 out of 5 from 6 ratings, while Infinite Library averages 4.9 from 41 ratings.

### Do Poetrify or Infinite Library have ads?

Neither Poetrify nor Infinite Library shows ads.

### Which is updated more often, Poetrify or Infinite Library?

Poetrify ships an update every 2 weeks, and Infinite Library every 6 days. Most recently, Poetrify was updated on November 3, 2026 and Infinite Library on November 8, 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.*