Neutron Music Player2.29.2 - App Store

Neutron Music Player is a high-resolution audio player powered by a 32/64-bit, OS and platform independent Neutron HiFi audio engine that bypasses standard OS audio limitations. Enjoy bit-perfect playback of all major audio formats (FLAC, DSD, ALAC, WAV, MP3, OPUS and more) through USB DACs, internal Hi-Res DACs and network renderers, with a full DSP and equalizer suite.

Built for audiophiles, headphone enthusiasts and anyone who wants better sound.

HI-RES AUDIO & DAC SUPPORT
. 32/64-bit HD audio processing, Hi-Res up to 32-bit, 3.072 MHz
* OS and platform independent decoding and audio processing
. Bit-perfect playback (when supported by hardware)
. Direct USB DAC output via USB OTG (up to 32-bit, 1.536 MHz)
. Native DSD (via DoP): DFF, DSF, ISO SACD/DVD, multichannel 2.1-7.1
. DSD to PCM decoding, real-time PCM to DSD (DSD64-DSD256), output all to DSD
. Chromecast output (up to 24-bit, 192 kHz) and UPnP/DLNA Media Renderer output (up to 24-bit, 768 kHz), no limit on format or DSP effects

EQUALIZER & DSP EFFECTS
. Parametric equalizer (PEQ): 4-130 bands, per channel
. Graphic EQ mode
. Frequency Response Correction (FRC): 5,000+ AutoEq presets for 2,500+ headphones, plus user-defined
. Adaptive Loudness Compensation (ALC)
. Surround sound (Ambiophonic RACE)
. Crossfeed for better stereo perception in headphones
. Compressor / Limiter
. Speaker delay (loudspeaker time alignment)
. Dithering, pitch and tempo, phase inversion
. Pseudo-stereo for mono tracks
. Subsonic and ultrasonic speaker protection filters
. Normalization by Peak and RMS (preamp gain calculated after DSP)
. High-quality real-time resampling

NETWORK & MEDIA SOURCES
. Supports iTunes library (non DRM) and local files (inside /Documents folder)
. SMB/CIFS (NAS or PC, Samba), UPnP/DLNA media servers, SFTP (SSH), FTP, WebDAV, Navidrome/Subsonic
. Built-in UPnP/DLNA Media Server and Media Renderer (gapless, DSP effects)
. Internet radio streaming (Icecast, Shoutcast, own streams)
. Manage your local music library through the internal FTP server

FORMATS, LIBRARY & PLAYBACK
. Supports all major audio formats: FLAC, ALAC, MP3, AAC, OGG, OPUS, WMA, APE, WavPack, MPC, WAV, AIFF, AC3 and more
. Module formats (MOD, IT, XM, S3M) and voice format SPEEX
. Playlists: CUE, M3U, PLS, ASX, RAM, XSPF, WPL, with full playlist management
. Synchronized and static lyrics (LRC files, metadata)
. AI-assisted generation of queues, EQ presets and FRC profiles with Google Gemini
. Large media library support, grouped by album, artist, album artist, composer, genre, year, rating and folder
. Folder mode and bookmarks
. Tempo/BPM analysis and categorization
. Tag editing: MP3, FLAC, OGG, APE, SPEEX, WAV, WV, M4A, MP4 (internal, SD, SMB, SFTP)
. ReplayGain, gapless playback and crossfade
. Playback modes: Shuffle, Loop, Single Track, Sequential, Queue, A-B Repeat
. Hardware and Preamp volume controls, Balance (L/R), Mono mode
. Real-time spectrum, waveform and RMS analyzers
. Profiles (multiple configurations)
. Clock mode, sleep and wake timers
. Customizable interface and themes, 16 languages

SUPPORT & COMMUNITY
Get specifications, technical help, report issues or discuss features on the official website and forum.

Version History ! Fix:
- adding new FRC preset could create duplicates
- FTP source not always working correctly in 2.29.0-1
- large album art images stopped loading in 2.29.0-1 2.29.2 3d ago ! Fix crash of 2.29.0 on iOS 27. 2.29.1 Oct 3 * New:
- Navidrome/Subsonic source (Sources → + → Navidrome)
- 130-band PEQ DSP
- Audio Hardware → Follow Source Channels option: match output channels to the number of track's channels
* Increase UI → Theme → Font Size max to 150
! Fix:
- Preamp DSP button not shown in DSP window
- do not show [+ Folder] for network sources 2.29.0 Oct 2 ! Fixed:
- Preamp could not be set above 0 dB
- Bookmarks: swipe to Playing Now does not work
- bookmark of the currently set tracklist could not be restored
- pressing restored and playing bookmark from Bookmarks will pause playback 2.28.3 Apr 20 Reverted behavior of Software Master Volume to pre 2.28.1 version. 2.28.2 Apr 14 * New:
- Adaptive Loudness Compensation (ALC) DSP: automatically boosts low and high frequencies based on device volume (the same as in Neutron HiFi DAC V1), see Reddit article for how it works (https://www.reddit.com/r/NeutronHiFi/comments/1osl7p7/adaptive_loudness_compensation_alc_dsp_in_neutron/)
- WebP album-art
- Analyze Tempo/BPM in playlist properties
* Improved run-time performance of Surround DSP
* AGP:Reset Gain = 0 for Bit-Perfect profile
! Fixed:
- rare crash on SMB2 if SMB1 is disabled
- several UI elements mispositioned on some screens
- ABC widget not working in All Folders
- track's tags not updated if provided to UPnP Renderer in gapless mode
- Bookmark not restoring track's category 2.28.1 Apr 10 * New:
- Bookmarks category (off by default): UI → Optional Features → Bookmarks
- Read BPM from tags (note: force Scan for source entries)
- Fade:
* settings → Manual Crossfade Only: to crossfade track only when changing manually, otherwise keep gapless
* Automix (BPM): use BPM of 2 tracks to calculate In/Out time
- Up to 70-bands for Parametric EQ
- UI → Optional Features -> AI: to disable AI functionality 2.28.0 Jan 19 * New:
- UI → Playing Now → [Tap Title → Track List] option
- Serbian language
! Fixed:
- UPnP/DLNA and Chromecast streaming 2.27.6 11/11/2025 ! Fixed:
- SMB2 connection dropped if file operation fails
- DSF format not recognized by first 4 bytes of the data stream
- fixed URLs not opening from settings → Help and other places 2.27.5 10/23/2025 * New:
 - AI generation of EQ and FRC presets: EQ or FRC Presets list → [+] → AI Generator to generate EQ/FRC preset described in natural language
* Updated AutoEQ presets to the latest (09.2025)
* Auto-scroll the track-list to the current track if staying inside the track-list during playback 2.27.4 09/05/2025 ! Fixed:
- missing Local Network permission request which is required for UPnP/DLNA and Chromecast 2.27.3 07/28/2025 * New:
- AI Generation of Queue (AI button on Queue entry when it is empty): generates Queue on basis of your music library and your textual description sent to AI engine (Google Gemini 2.5 Flash)
- Export action for playlist properties: exports playlist file to a file system (replaces Share)
- Export/Import actions for EQ/FRC preset entry
* Improved FRC preset selection: tap on preset to see its configuration, tap on [+] button to add it to the list
* Set audio engine to the frequency of the endless network stream (radio) when Follow Source Frequency is switched on
! Fixed:
- FLAC file rating was read incorrectly 2.27.2 07/20/2025 * New:
 - SMB2/3 support (Sources → [+] → Network)
 - Network → SMBv1 option: if switched off will speedup SMB network enumeration (when you do not have SMBv1 endpoints anymore)
* Improved:
 - switching between PCM and DSD
* USB driver: do not re-confirm frequency request: fixes operation with buggy USB DACs firmware
! Fixed:
 - rare crash of UPnP/DLNA Media Server and Renderer 2.26.0 04/16/2025 * New:
 - Queue → Auto-clear option: clears queue automatically before new tracks are added to it
 - Audio Hardware -> Audio Focus option: if switched off then audio from Neutron will mix with other audio apps (keep Audio Focus switched on [default] for bit-perfect, DSD, hi-res audio output)
! Fixed:
 - list scroller going outside visible region in portrait mode on some resolutions 2.25.8 02/09/2025 ! Fixed:
- playback of DSD files decoded to PCM (regression of 2.25.5) 2.25.7 01/21/2025 * Auto-hide top toolbar in Landscape mode when UI was created directly in this mode
! Fixed:
- detection of audio device frequencies (regression of 2.25.5)
- crash on sorting source entry when media library was refreshed
- media library category widget's playlist entry could not be touched 2.25.6 01/16/2025 * New:
- DSP widget mode: RMS widget + Album Art
- User Manual in settings → Help
- manual sorting of source entries inside Sources category
- support DSD2048
- support PCM 2822400, 3072000 Hz
* Allow Ambiophonics RACE for > 2 channel output for simulation of Concert Hall effect with multi-speaker configuration (> 3 channels)
! Fixed:
- IPv6 WebDAV path truncated when entered in Address field
- various minor crashes 2.25.5 01/15/2025 ! Fixed:
- could not scan folder or open file if name has leading space
- damaged FLAC could not be read fully due to resync process breaking the read operation
- Network settings were not visually updated when reset with a bottom -middle button
- crash if sorting track when refreshed source entry reloaded the tracklist
- other rare crashes 2.25.3 12/02/2024 ! Fixed:
- Delay of Surround DSP could not be set to max value at 384+ kHz
- EQ's bands not updated in Controls screen when EQ preset is reset from its dialog
- garbled DSD playback if Connection and Controls - Sound Feedback is On and playback is controlled with headset media buttons 2.25.2 11/16/2024 * New: 
- Ratings -> Ignore Metadata option: to ignore rating in the tags/metadata of the music file when importing it to the media library
- Backup/Restore of settings via **Neutron Console** (check FAQ how to backup/restore Neutron's settings: https://neutroncode.com/faq/73-backup-restore)
! Fixed:
- device frequency switching on iOS 18+ (credits go to Neutron Forum discussion!): all USB DAC's frequencies are working again (PCM, DoP) 2.25.1 11/03/2024 ! Fixed:
- gapless FLAC
- PCM to DSD could not be set to DSD64 (now a separate option, default is DSD128)
- Output To: Google Nest Hub Max could not be found (Nest's fw bug)
- false Trial Expired and related misbehavior when launching app with USB DAC/Headphones attached
- playlists could not be loaded if there are leading / in the file paths 2.24.7 09/09/2024 * Improved SFTP IPv6 support
* Support:
- input in Chinese, Japanese languages with soft-keyboard
- hints when typing the text 2.24.6 08/26/2024 ! Fixed:
- IPv6 support for SFTP sources (use [IP]:PORT notation if you need to input port)
- Gain slider could not reach 100 due to rounding 2.24.5 08/19/2024 * Support gapless WMA2
* Improved:
- compatibility of UPnP/DLNA Media Server
- PCM to DSD for hi-res tracks (> 48 kHz)
* Added Cents display for Pitch of Tempo/Pitch DSP
! Fixed:
- network settings were not saved (regression of 2.24.3)
- Direct USB Access -> Release Inactive Device (regression of 2.24.1)
- slow playlist loading originating from network source
- crash when SFTP source is trying to reconnect 2.24.4 08/11/2024 * New:
- UPnP/DLNA Content Directory server (Network → Media Server): exposes media library to UPnP/DLNA clients
- sorting mode [Artist, Album]
* Use folder name of the file as album title if Album title is unavailable in metadata
* News from developer can be turned on/off: Help → Neutron News = Off (default = Off)
* Improved playlist loading if track paths have leading slash (/)
* Settings → Help: new Version entry to show current app version
* Improved:
- mDNS service discovery: Chromecast devices are found much quicker, FTP and SFTP servers will be auto-listed if advertised
- quality of Tempo/Pitch DSP for various output sample rates
! Fixed:
- Cumulative Bode Plot shifted in EQ filter dialog if Follow Source Frequency is On 2.24.3 08/04/2024