plappa vs Cosmere Companion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
plappa
This app is an audiobook player that connects to self-hosted media servers like Jellyfin and AudioBookShelf. It supports various audio formats, reads metadata, and allows for offline listening through optional in-app purchases. Users can sync playback states across devices or their server.
- Connects to Jellyfin, Emby, AudioBookShelf
- Supports common audio formats
- Purpose-built for audiobooks
- Sync playback states
- Reads audiobook metadata
- Offline listening (via IAP)
- Podcast and series support
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Disclaimer: plappa only works in connection with a Jellyfin or AudioBookShelf media server! plappa is an audiobook player/client for Jellyfin, Emby and AudioBookShelf, the popular self-hosted media server. Features: - Support for most common audio formats - Purpose built for audiobooks - Save and sync playback states via iCloud or your AudioBookShelf server - Reads metadata like author, narrator and others - Download audiobooks and podcast episodes for offline listening* - Support for podcasts, collections and series with AudioBookShelf * plappa allows you to unlock additional features like downloads and customization options through optional in-app purchases: You can choose between a one-time purchase or an auto-renewing subscription (1 month free trial included). The one-time purchase unlocks all current and future updates. With the subscription, all features are available for the duration of your subscription. Both the subscription and one-time purchase can be shared with your family. plappa is licensed under the Apple standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Cosmere Companion
Track your progress through Brandon Sanderson's Cosmere novels with a spoiler-free wiki, reading order guides, and personalized notes. Discover characters and timelines without revealing future plot points.
- Recommended reading order
- Track reading progress
- Spoiler-free character wiki
- Personalized notes and theories
- Cosmere timeline visualization
- Multi-language support
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Your companion for Brandon Sanderson's Cosmere: know what to read next, keep track of every book and look up characters without spoilers. READING ORDER • Recommended order, designed to avoid spoilers and catch most of the references • Publication order, or your own: drag the books into the order you prefer • Mark the book you're reading and jump straight to it every time you open the app YOUR PROGRESS • Mark books as read and rate them from 1 to 5 stars • Watch your progress fill up and celebrate every milestone: 25, 50, 75 and 100% of the Cosmere A PAGE FOR EVERY BOOK • Cover, rating, reading status and all your notes for that book, in one place NOTES • Jot down theories, quotes and favorite moments, with title, book and page • Search your notes and filter them by book TIMELINE • See when each story takes place in the Cosmere, with its cover SPOILER-FREE WIKI • Mistborn Era 1 characters, book by book • Each entry only tells you what you know when you start that book. Spoilers stay hidden until you choose to see them • Find any character in seconds IN YOUR LANGUAGE English, Spanish, German, French, Italian, Polish, Portuguese and Russian, with the book titles from each country's editions. The whole Cosmere: Mistborn (Era 1 and Wax & Wayne), The Stormlight Archive, Elantris, Warbreaker, Tress of the Emerald Sea, Yumi and the Nightmare Painter, The Sunlit Man, Isles of the Emberdark and the stories in Arcanum Unbounded. Journey before destination. Made by a fan, for fans. Unofficial app, not affiliated with Brandon Sanderson or Dragonsteel.
Screenshots
Verdict
The clearest difference is in-app purchases: Cosmere Companion at none against plappa's 2. plappa's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 12 months). On price, rating and review sentiment 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. plappa sells 2 in-app purchases, starting at $1.99 per year. Cosmere Companion asks for nothing beyond the download.
plappa holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: plappa has 343 ratings behind it against 13, so its average is the more settled of the two. Written reviews split almost evenly too, at 87% and 86% positive.
plappa ships an update every 5 weeks, Cosmere Companion every 12 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | plappa | Cosmere Companion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (343 ratings) — better | 4.5 (13 ratings) |
| Positive reviews | 86.5% of reviews — better | 85.7% of reviews |
| Number of ratings | 343 — better | 13 |
| Update frequency | Every 5 weeks — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 16.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 47 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Leo Wehrfritz | JOSE DOMINGO CASTRO CRESPO |
Customer experience
plappa
Cosmere Companion
Bugs and requests
plappa
Reported bugs
2 issues- Can't login Audiobookshelf
- Podcasts library not listing all podcasts
Requested features
9 requests- Auto download when start playing book
- Auto delete when finished book
- Option to add multiple servers
- More sorting and filtering options in the library section
- Refresh button for libraries
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- Easy way to change server address without logging out
- Sync the unplayed/unlistened flags with AudiobookShelf
- Shortcut to bookmarks from within the player
- Slider for fine-tuned control of playback speed
Cosmere Companion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
plappa
- Subscription (1 Year)1 Month trial$1.991 Year
- Full Version (Lifetime)$4.99
Cosmere Companion
No in-app purchases








