# Shelfmate vs Wyrdspinner

The clearest difference is in-app purchases: Shelfmate at none against Wyrdspinner's 10. Shelfmate also leads on update cadence (every 3 weeks vs every 2 months). Wyrdspinner's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.1). On price and ads there is nothing between them.

Both are free to download. Wyrdspinner sells 10 in-app purchases, starting at $4.99 per month. Shelfmate asks for nothing beyond the download.

Shelfmate ships an update every 3 weeks, Wyrdspinner every 2 months. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Shelfmate | Wyrdspinner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/wyrdspinner/id6768847040/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 24 MB |
| Requires iOS | 18.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mario Mouris](https://appshunter.io/developer/1376063231) | [Sqrrlbrain Studio](https://appshunter.io/developer/1896610080) |

## What reviewers say

### Shelfmate

[App page](https://appshunter.io/ios/app/shelfmate-book-tracker/id6739967392)

Organize your personal library, track reading progress, and receive personalized book suggestions. This app prioritizes user privacy with secure iCloud storage and no analytics.

**Highlights:** Organize physical, eBook, and audiobook libraries, Track reading progress, AI-powered book recommendations, Goodreads import, Privacy-first data storage, iCloud synchronization

**In-app purchases:** none


### Wyrdspinner

[App page](https://appshunter.io/ios/app/wyrdspinner/id6768847040)

An AI-powered text adventure engine where you build a living world and live out your story. Choose from procedurally generated campaigns or create your own, with a narrator that responds to your every choice. Visualize scenes with AI-generated art and customize your reading experience with various themes.

**Highlights:** AI-powered text adventure engine, Build living worlds and stories, Procedurally generated campaigns, AI-generated scene visualization, Customizable themes and fonts, Adjustable difficulty and stakes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wyrdspinner Lite | $4.99 | per month |
| Wyrdspinner Standard | $7.99 | per month |
| Wyrdspinner Pro | $12.99 | per month |
| Wyrdspinner Patron | $29.99 | per month |
| Wyrdspinner Lite (Annual) | $37.99 | per year |
| Wyrdspinner Standard (Annual) | $59.99 | per year |
| Wyrdspinner Pro (Annual) | $97.99 | per year |
| Wyrdspinner Patron (Annual) | $229.99 | per year |
| Token Pack XL | $49.99 | one-time |
| Token Pack XXL | $99.99 | one-time |


## Frequently asked questions

### Is Shelfmate free?

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

### Is Wyrdspinner free?

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

### Do Shelfmate or Wyrdspinner have ads?

Neither Shelfmate nor Wyrdspinner shows ads.

### Which is updated more often, Shelfmate or Wyrdspinner?

Shelfmate ships an update every 3 weeks, and Wyrdspinner every 2 months. Most recently, Shelfmate was updated on October 21, 2026 and Wyrdspinner on October 6, 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.*