Cog (kode54) vs Kenopsia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cog (kode54)
This application is a free, open-source music player supporting an extensive range of audio formats, including everyday, lossless, game, chiptune, and MIDI files. It offers advanced playback controls, lyrics display, and scrobbling capabilities, ensuring a personalized listening experience without ads or tracking.
- Plays nearly all audio formats
- Supports game and chiptune music
- Proper MIDI playback with SoundFonts
- Customizable Now Playing screen
- Lyrics display and lookup
- Import from Files and folder playback
- Last.fm and ListenBrainz scrobbling
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Cog is a free, open-source music player for people with music in more formats than any one player expects. Born on the Mac, it now plays your collection on iPhone and iPad, with the same audio engine and format support. PLAYS NEARLY EVERYTHING • Everyday and lossless audio: MP3, AAC, ALAC, FLAC, Opus, Ogg Vorbis, WavPack, Musepack, Monkey's Audio, Shorten, WAV, AIFF and much more • Cue sheets, M3U and PLS playlists, and music inside ZIP and other archives • Internet radio and streams, including HLS, from any URL A HOME FOR GAME AND CHIPTUNE MUSIC • Console and computer rips: NSF, SPC, GBS, VGM/VGZ, HES, KSS, AY, SAP and more • PSF family: PSF, PSF2, SSF, DSF, GSF, 2SF, NCSF, USF, QSF • Commodore 64 SID tunes • Tracker modules: MOD, S3M, XM, IT, MPTM and dozens more, plus AHX/HivelyTracker, Syntrax and AdLib formats • Streamed game audio through vgmstream, covering hundreds of formats • Cave Story's Organya music MIDI, DONE PROPERLY • Play MIDI files with your own SoundFonts • Emulate a classic Sound Canvas synthesizer from ROM files you provide • Or use the built-in system synthesizer NOW PLAYING • A Now Playing screen themed from the album art • Lyrics, from your files or looked up online with LRCLIB • Spectrum visualizer • Equalizer with presets • Change speed, tempo and pitch independently • Hold Next to fast-forward and Previous to rewind, in the app, on the lock screen, with headphones or in the car • Shuffle, repeat, queue and Stop After This • AirPlay, Control Center and lock screen controls YOUR MUSIC, YOUR WAY • Import from Files, or add Music Locations to play folders in place, anywhere the Files app can reach • Folders are scanned with their tags and album art • Search your playlist instantly • Music copied into Cog appears in the Files app and in Finder SCROBBLING • Last.fm and ListenBrainz support BUILT FOR iPAD TOO • A layout made for the larger screen • Menus and keyboard shortcuts for hardware keyboards PRIVATE AND OPEN Cog has no ads, no accounts and no tracking. Your music stays on your device and in the places you choose. Cog is open source and developed in the open on GitHub, where you can report bugs, request features and read every line of code. Available in English and Spanish.
Kenopsia
Consolidate all your music from various sources into a single, powerful player. Enjoy audiophile-grade playback with advanced EQ, gapless support, and smart library management. Access your music from local files, cloud storage, servers, and web streams.
- Play from local files, cloud, servers, and streams
- Gapless playback with crossfade
- 10-band parametric EQ with presets
- Smart playlists with 18 filterable fields
- Synced lyrics support
- Tag editor and artwork auto-fetch
- CarPlay and Apple Watch integration
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Kenopsia is a powerful music player that brings all your music together in one place, no matter where it's stored. PLAY FROM ANYWHERE • Local files on your device • Subsonic & Navidrome servers • NAS drives via DLNA/UPnP • iCloud Drive & Backblaze B2 • Apple Music library (via MusicKit) • Web radio streams (SHOUTcast, Icecast, HLS) • Wi-Fi Transfer: drag and drop files from your computer AUDIOPHILE PLAYBACK • Gapless playback with optional crossfade • 10-band parametric EQ with custom presets • ReplayGain / EBU R128 volume normalisation • Support for FLAC, ALAC, WAV, AIFF, MP3, AAC, and M4A YOUR LIBRARY • Browse by artist, album, genre, playlist or folder • Artwork grid or plain list view for artists and albums • Select multiple tracks to add to a playlist or the queue • Duplicate finder - spot songs stored twice and choose which copy to keep SMART FEATURES • Smart playlists with 18 filterable fields • Synced lyrics (LRC format via LRCLIB) • Tag editor for MP3, M4A, FLAC, and Ogg • Album artwork auto-fetch from MusicBrainz • Last.fm and ListenBrainz scrobbling • Listening history and play counts EVERYWHERE YOU ARE • CarPlay - browse albums, artists, genres, playlists and songs, with search and Shuffle All • Apple Watch companion for remote control • Home Screen widget with play/pause • AirPlay and Bluetooth output • Chromecast support • Lock screen and Control Centre integration PRIVATE BY DESIGN • No accounts, no tracking, no ads • All data stored locally on your device • Credentials in the iOS Keychain only
Screenshots
Verdict
The clearest difference is update cadence: Cog (kode54) at daily against Kenopsia's every 2 months. Cog (kode54) also leads on ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Cog (kode54) against 5.0 for Kenopsia. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Cog (kode54) ships an update daily, Kenopsia every 2 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.
| Parameter | Cog (kode54) | Kenopsia |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 78.6% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Daily — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Christopher Snowhill | WESTON ANDREW BLIEDEN |
Customer experience
Cog (kode54)
Kenopsia
In-app purchases
Cog (kode54)
No in-app purchases
Kenopsia
No in-app purchases









