Shelfmate vs Wyrdspinner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shelfmate
Organize your personal library, track reading progress, and receive personalized book suggestions. This app prioritizes user privacy with secure iCloud storage and no analytics.
- Organize physical, eBook, and audiobook libraries
- Track reading progress
- AI-powered book recommendations
- Goodreads import
- Privacy-first data storage
- iCloud synchronization
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Track your books and discover your next favorite read. Shelfmate is the ultimate companion for book lovers. Keep your library organized, track your reading progress and uncover tailored book recommendations. Why Shelfmate? • Privacy first: Your data stays yours, stored securely on iCloud with absolutely no analytics or tracking. • Smart recommendations (Alpha): Powered by advanced AI, discover books you’ll love based on your reading history and preferences. Fine-tune recommendations for a personal touch. • Effortless Organization: Manage physical books, eBooks, and audiobooks in your digital bookshelf. • Goodreads import: Already have a Goodreads library? You can import it and continue where you left off Download Shelfmate and elevate your reading journey today!
Wyrdspinner
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.
- 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
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Every choice spins out the wyrd web of your story. Wyrdspinner is an AI-powered text adventure engine in which you build a living world, with a story companion of your choice. There's no fixed plot. The narrator listens, watches what you do, and responds to your choices. No two stories will be the same. This isn't a game, there's no levels, it's interactive fiction. This is a never-ending story, your story. Pick from procedurally generated campaigns — fantasy, sci-fi, mystery, slice-of-life — or build your own world from scratch. Choose an art style for rendered scenes. Session Zero walks you through your Guide, your character, the tone, and the stakes. At each story beat you can pick from 3 pre-generated paths, or get creative and take control by writing your own entry into the story. If you think a described scene sounds cool and you want to see it...you can, by hitting the View Scene button. You can export your story whenever you choose, it's yours. I built this app for myself to use, then realized other people might want to use it too, so I tried to make it something as accessible as possible. I've never built an app before...I hope you like it. A purchase IS required to enjoy the app, there is no free trial. Ongoing AI storytelling runs on tokens unless you. The starter bundle gets you going, after that you can use your own Gemini key to keep the story going, if you want. I tried to make the monetization fair, LLMs aren't free to tap into. • Gemini used for rich interactive narrative • Nano Banana image generation ("View Scene") • Theme-shop to spice up your reading experience. WORLDS THAT EVOLVE Your decisions ripple. A revolution you started in chapter one is still rumbling under the surface in chapter twelve. The world feels lived-in because it is. You can drive the story, or you can ride along where it leads. SEE IT In your mind's eye, or with the ones on your face. Nano Banana is in the current build, with new models being added over time. The plan is to add new art styles over time, as I figure out what people are wanting to see there. A LOOK THAT FITS THE TALE A library of hand-crafted themes, each with their own scalable curated font - warm Parchment for fantasy, dragonscale for Dark Lord, neon synthwave for Cyberpunk, soft Kawaii bubbles for cozy adventures, plus a plain reader theme and a high-contrast accessibility theme. Switch any time. More themes will come to the theme shop in time. THREE DIALS Not every decision you make is a win. The possibility of failure is baked in, making your story more dynamic. You can dial Difficulty up or down to customize how often you're having to pivot from a negative outcome. INTENSE AS YOU WANT - Candlelit, Torchlit, Bonfire, or Inferno. Dial it up to raise the stakes; down for a gentler read. ROLL THE DICE - When appropriate the narrator will roll dice. A failure means a negative outcome. Can you pivot the story back into your favor? DIFFICULTY level determines failure rate. VERBOSITY - Shapes the prose — Terse, Standard, or Verbose. Match it to your appetite for prose. READING LEVEL - Depending on how this app does, I may release additional versions tailored for different age groups. Every effort was taken to keep stories appropriate for users 13 and up. ACCESSIBILITY Built screen-reader-first with proper ARIA labels, focus management, a high-contrast theme, and reduced-motion support. Skip-to-story link, Escape-key dialog dismissal, and a Plain Reader theme that strips visual flourish. Terms of Use: https://www.sqrrlbrain.com/wyrdspinner-terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Shelfmate | Wyrdspinner |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | Mario Mouris | Sqrrlbrain Studio |
Customer experience
Shelfmate
Wyrdspinner
In-app purchases
Shelfmate
No in-app purchases
Wyrdspinner
- Wyrdspinner Lite$4.991 Month
- Wyrdspinner Standard$7.991 Month
- Wyrdspinner Pro$12.991 Month
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- Wyrdspinner Patron$29.991 Month
- Wyrdspinner Lite (Annual)$37.991 Year
- Wyrdspinner Standard (Annual)$59.991 Year
- Wyrdspinner Pro (Annual)$97.991 Year
- Wyrdspinner Patron (Annual)$229.991 Year
- Token Pack XL$49.99
- Token Pack XXL$99.99









