Audiofile DDP Player vs iOSamp

Audiofile DDP for iPhone and iPad is the free review app for .audiofileddp master deliveries. When your mastering engineer sends a branded Audiofile DDP bundle, open it from Files, Mail, AirDrop, or Messages and review the actual DDP master on your device. Built for artists, labels, A&R, producers, and mastering clients who need to hear and approve the final disc master before replication. Review workflow: - Open signed Audiofile DDP delivery bundles - See album art, artist info, studio branding, and the engineer's welcome note - Play the delivered DDP master with gapless transport - Review track titles, durations, CD-Text, ISRCs, UPC/EAN, indexes, and timing - Send timestamped feedback directly to the mastering engineer by email Final-check tools: - CD-rate native DDP playback through the iOS audio system - Peak/RMS VU-style metering - EBU R128 LUFS: Momentary, Short-term, Integrated, and Loudness Range - Goniometer / vector scope with stereo correlation - Waveform overview and scrub-to-seek navigation - Mini transport so playback continues while browsing the library Audiofile DDP does not require an account. The app is free for recipients, so mastering engineers can send a master without asking clients to buy software, enter a serial number, or follow a long setup process. Audiofile DDP is built by Audiofile Engineering, makers of professional audio tools since 2004.

iOSamp is a local music player for collectors, audiophiles, and anyone who trusts their own taste over an algorithm. Your files on your device. No subscription necessary, no account creation needed, no ads, ever. Built by a guy who grew up on Hotline servers, oth.net, hoarding FLACs, and caring way too much about ID3 tags. Playback • True gapless playback • 10-band EQ with saveable presets • ReplayGain normalization, track or album level • Crossfade, A/B repeat, independent speed control • Waveform scrubber, pre-generated for every track • Real-time spectrum analyzer • Bookmarks and chapter support • Format, bitrate, and sample rate display • CarPlay, AirPlay, sleep timer • Synced lyrics Library • MP3, FLAC, AAC, ALAC, OGG, OPUS, WAV, AIFF, WMA, APE • Smart playlists built from rules: rating, play count, date added, genre, year, duration, and more • Build Session: shuffle any part of your library, keep or skip each track, save the keepers as a playlist • Collections: group whole albums, box sets, label catalogs, numbered series • Tag editor, duplicate detection, artist name normalization • Genre and artwork fetching via MusicBrainz and Discogs • Format and bitrate badges so you can tell FLAC from MP3 at a glance Getting music in • Wi-Fi transfer: start the built-in server and drag files in from any browser on your network • Files app and iCloud Drive imports, single files or whole folders • USB cable transfer from Finder or iTunes • Direct download from any audio URL Your servers • Stream from WebDAV shares • Full Subsonic API support: Navidrome, Airsonic, and friends • SMB shares through the Files app • Everything stays on-device; no analytics, no tracking