📊 29K iOS Apps Tracked Updated 1 min ago ⚡ Revenue Forecasts
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54
BU Score
Solid

ShelfPlayer

3.9 ✍️ Editor
✍️ BU Analytics Review

ShelfPlayer is an iOS app from Rasmus Kramer in the Food & Drink category, currently rated 3.9★ across 127 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 54Solid (established niche player). For a Food & Drink app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($0.00)METRIC
+$2,800
bugsREVIEW
−$1,800
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
Localized (8 languages)METRIC
+$600
Early-stage install base (127 ratings)METRIC
+$400
Growing app (2y old)METRIC
+$200
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 15 MB🔞 4+📱 iOS 18.0+🔖 v3.2.1🔄 updated 1mo ago🌐 NL, EN, FR, DE, RU +3📂 Food & Drink💰 Paid🚀 Launched 2024 (2y old)

📝 About this app

ShelfPlayer

ShelfPlayer is a powerful iOS application for listening to audiobooks and podcasts, designed for users with self-hosted Audiobookshelf libraries. Built in Swift 6 for iOS 18+, ShelfPlayer is fast, privacy-respecting, and deeply integrated with the Apple ecosystem.

ShelfPlayer does not include any media content. A running Audiobookshelf instance is required to use the app.

Features

• Unified audiobook and podcast app: A single, native experience for audiobooks, podcasts, episodes, authors, narrators, series, collections, and playlists.
• Multi-server support: Works with multiple Audiobookshelf servers and libraries at the same time.
• Flexible authentication: Supports both username/password and OpenID sign-in.
• Custom request headers: Additional HTTP headers can be configured for advanced setups.
• Listen Now: Continue listening and discover content across connected libraries.
• Global and library search: Fast search across books, podcasts, people, series, and episodes.
• Playback queues: Includes both a main queue and an Up Next queue.
• Chapter navigation: Chapter-level controls are available directly in playback views.
• Playback speed controls: Combines quick presets with precise rate tuning.
• Configurable skip intervals: Skip forward and backward durations can be tailored to personal preference.
• Sleep timer: Supports both time-based and chapter-based timers, with Live Activity integration.
• AirPlay and media controls: Native integration with AirPlay and Apple system media controls.
• Bookmarks with notes: Save key moments with optional notes.
• Progress synchronization: Listening progress and sessions stay in sync with Audiobookshelf.
• Listening history: Detailed, item-level listening timelines are available.
• Daily listening tracking: Tracks listening time with optional daily goals.
• Offline mode and downloads: Downloaded content remains available when offline.
• Automatic convenience downloads: Background downloads cover Listen Now, podcast, and series content.
• Collections and playlists: Built-in tools for creating, editing, and organizing collections and playlists.
• PDF viewer: Opens attached PDF documents in-app.
• Home Screen widgets: Includes Start, Listen Now, and Listened Today widgets.
• Live Activities and Dynamic Island: Sleep timer controls stay accessible on Lock Screen and Dynamic Island.
• Siri, App Intents, and Shortcuts: Playback and automation workflows are fully integrated with Apple automation tools.
• CarPlay support: Library browsing and playback controls are available in CarPlay.
• Spotlight integration: Indexed content appears in system search with deep links back into the app.
• Home Screen quick actions: Common playback and search actions are available from the app icon.
• Native iPhone and iPad interface: Optimized layouts with customizable tabs, sorting, and filters.

🆕 What's New · v3.2.1

- Crash fixes
- Fix audio player selecting wrong audio track during startup
- Show progress in % on the compact item row if enabled

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
ShelfPlayer
Developer
Rasmus Kramer
Bundle ID
io.rfk.shelfplayer
App Store URL
Open in App Store
Category
Food & Drink
Content rating
4+
Languages
NL, EN, FR, DE, RU, ZH, SV, UK

Company

Website
github.com
Tagline
Search code, repositories, users, issues, pull requests...
Description
Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$2.3K/mo
Top-grossing rank
Outside top 100 in US Food & Drink
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
https://x.com/github
LinkedIn
https://www.linkedin.com/company/github
GitHub
https://docs.github.com
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://github.com/resources/articles?topic=ai
Press / News
Not found

Contacts & Socials

Socials
github · instagram · linkedin · tiktok · twitter · youtube
Email
Not found
Phone
Not found
Contact page
https://github.com/premium-support
About page
https://github.com/team
📈Ratings growth127 ratings+1311% lifetimeShow 3-year history estimate ▾Mar 2024Aug 2025May 2026
Tracked (55 weeks) Pre-tracking estimate (27 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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