Cosmos : Offline Music Player

Name: Cosmos : Offline Music Player
Rating: 4.4 (29 reviews)
Author: Raphael Boullay Le Fur

By: Raphael Boullay Le Fur

The open source alternative

Features & Capabilities

Cosmos Music Player

Completely free — no in‑app purchases, no ads, no tracking — and totally open source.

Cosmos Music Player is a high-quality music player that supports both iCloud Drive synchronization and local storage, giving users flexibility in how they manage their music. The app is built and designed for the iOS and Apple ecosystem with full CarPlay integration.

A premium audiophile music player for iOS supporting FLAC, WAV, M4A, MP3, Opus, OGG, DSD, and DSF formats with advanced features including Apple CarPlay, DSD playback (DoP & PCM conversion), dual storage options (iCloud/local), playlist management, artist information integration, graphic equalizer, and multi-language support.

Apple CarPlay Integration

Full CarPlay Support: Native CarPlay interface for safe in-car music control
Tab-Based Navigation: Quick access to All Songs, Favorites, Playlists, and Browse sections
Now Playing Interface: Full player controls with play/pause, skip, and seek functionality
Seamless Synchronization: Real-time playback state sync between phone and CarPlay
Multi-Language Support: CarPlay interface fully localized in English and French

Audio Playback

High-Quality Lossless Support: Native support for lossless FLAC and WAV audio files, plus MP3
Graphic Equalizer: Text-based GraphicEQ support for precise audio customization
Custom EQ Settings: Configure and save different GraphicEQ settings
Siri Integration: Voice control for music playback in English and French
ReplayGain Support: Automatic volume normalization for consistent listening experience
Embedded Artwork: Displays album art from FLAC, MP3, and WAV metadata
Advanced Audio Engine: Built with AVFoundation for optimal audio quality

Music Library Management

Dual Storage Support: Choose between iCloud Drive (syncs across devices) or local storage (device only)
iCloud Drive Integration: Automatic sync of music files across devices when using iCloud storage
Local File Support: Full support for music files stored locally in app's Documents folder
Smart Library Indexing: Automatic detection and indexing of music files from both storage locations
Metadata Extraction: Reads artist, album, title, and other metadata
Offline First: Works completely offline with local files, no internet required

Artist Information

Dual API Integration: Combines Discogs and Spotify APIs for comprehensive artist data
Artist Profiles: Rich artist biographies and information
High-Quality Images: Artist photos and album artwork
Alternative Sources: "Wrong artist?" feature to switch between data sources
Smart Caching: Efficient caching system for offline access

Internationalization

Multi-Language Support: English and French translations
Localized Interface: Complete UI translation system
Cultural Adaptation: Proper pluralization and date formatting
Easy Extension: Modular system for adding new languages

Supported Siri Commands

"Hey Siri, play my music on Cosmos"
"Hey Siri, play my favorites on Cosmos"
"Hey Siri, play [playlist name] on Cosmos"
"Hey Siri, play [song name] on Cosmos"

Credits

Logo Design: Created by Zerrotic (zerrotic on Discord)
App Store Screenshots: Designed by MrVedakkaN (mrvedakkan on Discord / vimalothomas on Linkdin)

User Growth & Download Statistics

App

By:

Raphael Boullay Le Fur

Rating:

4.40

(29) 1 new ratings

Version:

1.2.2 Last updated: 2026-05-03

Version code:

885172139

Creation date:

2025-09-23

Compatible devices:

Size:

20.90MB

URLs:

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-06-10

Compare stats and ranking:

Ranking

# 246,242 ▲ 3,398

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Raphael Boullay Le Fur

Apple Apps Store

https://apps.apple.com/us/app/cosmos-offline-music-player/id6751984723

User Reviews

Overall it’s a very good player. I just have issues with removing music. Seems like it’s does not want to update the database. I’ll continue using Foobar2000 for now. Thanks.

by Na*****, 2026-05-27

All I did was convert music video links from YouTube into mp3 files then sent them to the cosmos app. Zero ads ever, zero problems. Just don’t permeantly delete those files from your file app or else the music will all disappear because they’ve been deleted 😭learned that the hard way, which was 1000% on my inexperience. The app is pleasant to use with a friendly user interface

by Fo*****, 2026-04-21

This is not a bad app, but as a regular user I suffer from using it, because it doesn’t follow UX best practices and it has a lot of bugs. I can tell this is a developing app, and it needs more time so the developers can make it perfect.