$ aetherfin --play█

Your music.
Your server.
No compromises.

Native Android player for Jellyfin, Navidrome, and local files. Decoded on-device with libmpv. No transcoding, no telemetry, no cloud.

$ download --latest $ gh repo view

android 7.0+ · jellyfin 10.8+ · navidrome 0.49+ · local mode

$ fft --bands 64 --fps 60

$ dsp --effects 86

$ gapless --enable

// features

$ ls features/

Everything you need. Nothing you don't.

visualizer.sh

$ fft --bands 64 --fps 60

64-band spectrum from actual audio output. No microphone permission needed.

gapless.sh

$ mpv --prefetch next-track

libmpv pre-fetches the next track. Seamless album-side transitions.

dsp.sh

$ dsp --effects 86 --eq-bands 18

18-band EQ, compressor, echo, phaser, flanger, chorus, pitch shift, and more.

lyrics.sh

$ lrc --parse --auto-scroll

LRC parsed on-device with auto-scrolling highlight. Lock-screen too.

servers.sh

$ connect --jellyfin --navidrome --local

Both servers out of the box, or play files from your device.

output.sh

$ dac --bit-perfect --exclusive

Force sample rate, bit depth, exclusive mode. Lossless — no quality loss.

timer.sh

$ sleep --end-of-track

5 to 60 minutes, plus end-of-track mode. Pauses when the song finishes.

privacy.sh

$ audit --telemetry=none

No analytics. No ads. No trackers. Talks only to your server.

// technical

$ cat pipeline.txt

Built on libmpv with a custom Dart-side audio pipeline.

 audio_pipeline.txt
# Aetherfin audio pipeline
# Direct stream → libmpv decode → DSP → output

source: raw_bytes://your-server/audio.flac
  ↓
decode: libmpv (hardware-accelerated)
  ↓
dsp_chain:
  ├── equalizer     18-band graphic EQ
  ├── compressor    dynamic range
  ├── echo         delay/reverb
  ├── phaser       sweep effect
  ├── flanger      modulation
  ├── chorus       multi-voice
  ├── pitch        rubberband engine
  └── loudness     EBU R128
  ↓
output: device DAC (bit-perfect)

# Supported formats
codecs: FLAC, ALAC, OPUS, WAV, MP3, AAC, Vorbis
rates: 44.1k, 48k, 88.2k, 96k, 176.4k, 192k
depth: 16-bit, 24-bit, 32-bit float

DSP Effects

FFT Bands

60fps

Visualizer

192kHz

Max Sample

32-bit

Max Depth

Telemetry

// comparison

$ diff aetherfin competitors

How it stacks up.

┌─────────────────────┬──────────────────────────┬──────────────────┬──────────────┐
│ Feature             │ Aetherfin                │ Finamp          │ Generic      │
├─────────────────────┼──────────────────────────┼──────────────────┼──────────────┤
│ Format support      │ ✓ FLAC,ALAC,OPUS,WAV    │ ✓ Most formats  │ ✓ MP3,AAC   │
│ DSP / EQ            │ ✓ 86 effects, 18-band   │ ✗ None          │ ✗ Basic EQ  │
│ FFT Visualizer      │ ✓ 64-band, 60fps        │ ✗ None          │ ✗ None      │
│ Synced Lyrics       │ ✓ LRC + auto-scroll     │ ✓ LRC           │ ✗ None      │
│ Gapless Playback    │ ✓ libmpv pre-fetch      │ ✓ Yes           │ ✗ Gaps      │
│ Local Files         │ ✓ SAF folder picker     │ ✗ Server only   │ ✓ Some      │
│ Navidrome           │ ✓ Native REST API       │ ✓ Subsonic      │ ✗ No        │
│ Telemetry           │ ✓ Zero                  │ ✓ Zero          │ ✗ Often yes │
│ Open Source         │ ✓ MIT                   │ ✓ MPL-2.0       │ ✗ Usually no│
└─────────────────────┴──────────────────────────┴──────────────────┴──────────────┘

// community

$ git log --oneline

★ 2.4k  stars on github
47      contributors
MIT     license
@azrim_ci  telegram

star on github

// install

$ aetherfin --setup

Three commands to music.

$ curl -L https://github.com/.../aetherfin.apk

✓ Downloaded aetherfin-v1.0.apk (24MB)

Grab the latest release. Universal APK works everywhere.

$ aetherfin --mode server|local

✓ Mode selected. Ready to configure.

Connect to a Jellyfin/Navidrome server, or pick a local music folder.

$ aetherfin --play

✓ Now playing: Track 01 — Album Name

Stream from your server or play from device storage.

$ aetherfin --download█

Your music deserves better.

No cloud. No subscription. No analytics. Just a polished player.

$ download --latest

Your music.Your server.No compromises.