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Screenshots

  • Arc Reactor Player screenshot 1
  • Arc Reactor Player screenshot 2
  • Arc Reactor Player screenshot 3
  • Arc Reactor Player screenshot 4

About Arc Reactor Player

Arc Reactor Player is a modern offline music player for iPhone and Apple Watch - made for everyone who wants to listen to their own music (MP3 & more) without streaming, without distraction and without compromise. Import audio files on iPhone, transfer them directly to the watch and enjoy smooth offline playback while training, running, commuting, traveling or in everyday life - even when the iPhone stays at home. Why Arc Reactor Player? • Transfer music & playlists to the Apple Watch: Select tracks in the iOS app, place them in the import queue and conveniently send them to the watch. • Manage your library on your iPhone: Organize titles, albums, artists and playlists clearly. • True offline listening: Playback runs directly on the watch – ideal without the Internet. • Minimalist Player: Fast, clean and system style - like a native player. • Full wrist controls: Play/Pause, Next/Previous, Shuffle, Repeat, Favorites. • Native audio output: AirPlay/Bluetooth selection as usual (e.g. AirPods, speakers). • Cover & Metadata: Title, artist, album and cover clearly displayed – on iPhone and Watch. New & Improved: • Equalizer for your individual sound • Crossfade for seamless transitions between songs • Dynamic background to match the album cover • Loudness Normalization for consistent volume across all tracks • Background Playback – Music continues playing even when the app is in the background • Low-performance mode for longer runtime and less resource consumption • Library Sorting (“Ignore The”) for clean sorting (e.g. “Beatles” instead of “The Beatles”) Supported audio formats (common formats) • MP3 (.mp3) • AAC / M4A (.aac, .m4a) • ALAC / Apple Lossless (.m4a) • WAV (.wav) • AIFF (.aif, .aiff) • CAF (.caf) • FLAC → Conversion to Apple compatible: ALAC (lossless) or AAC (space saving) (depending on source/export) Ideal for • Training without iPhone (Apple Watch + AirPods) • Offline playlists and private music collection on the watch • Anyone looking for a real MP3 player with Apple Watch support • Travel, commuting, outdoors, gym – anywhere streaming isn’t ideal Arc Reactor Player – Your music. Your wrist. Your offline player.

What’s new

Version 2.3 · Updated October 5, 2026

Arc Reactor Player is now free to download! • Try it free: send your first 3 songs from iPhone to your Apple Watch at no cost. • Unlimited Transfers: a small one-time in-app purchase unlocks unlimited song transfers – no subscription. • Already bought the app? Thank you! Unlimited transfers stay unlocked for you automatically. • Restore your purchase anytime with the same Apple Account. • Better stability and compatibility with the latest iOS and watchOS, plus bug fixes. Everything offline. Everything on your Watch.

App privacy

The developer, CJ Solution UG (haftungsbeschraenkt), reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Arc Reactor Player

Looking for apps like Arc Reactor Player? Here are 6 similar apps on the App Store. The highest rated is Wristone: Watch Audio Player (5.0/5), and 4 of the 6 are free to download.

Arc Reactor Player vs. alternatives
App Rating Price Last updated Compare
Arc Reactor Player – Free October 5, 2026
PacePlay For Watch – 1.99 USD Jan 9, 2026 Compare
Sonarc (Sonic Arc) – Free Aug 26, 2026 Compare
PearTune: Self-Hosted Music – Free Oct 2, 2026 Compare
Tuner: Guitar, Ukulele & Bass – Free Oct 9, 2026 Compare
Wristone: Watch Audio Player 5.0 / 5 (1) Free Oct 7, 2026 Compare
Echo Beach: Sampler Beat Maker 3.8 / 5 (12) 9.99 USD Jun 19, 2026 Compare

Compare Arc Reactor Player with the top alternatives: ratings, updates, ASO score and keyword gaps →