Roon ARC vs JDS Labs Core DSP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roon ARC
Access your entire Roon music library, including personal files and streaming services, from anywhere. Enjoy high-quality audio playback, offline listening, and in-depth music discovery features optimized for mobile and car use.
- Access Roon library anywhere
- Offline music downloads
- High-quality audio playback
- Advanced EQ and audio shaping
- In-depth music discovery
- Car integration
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*** Roon ARC requires a valid Roon subscription *** ARC puts the best possible on-the-go music experience in your pocket and lets you enjoy your Roon library and all of Roon's immersive features wherever you are in the world. ARC is a custom-built streaming service powered by your Roon system at home. Explore your complete collection of artists, albums, playlists, and personal music files, plus TIDAL, Qobuz, and KKBOX streams. Discover added content from Roon's music experts and smart features, such as staff-curated playlists, Daily Mixes, New Releases for You, personalized recommendations, and Roon Radio. You can add albums to your collection, build playlists, set favorites, create tags, and more, just as you can in Roon. Offline listening lets you download your personal music files to keep the music playing wherever your adventures take you – even if you're off the grid entirely. ARC offers remote access to Roon's captivating library of in-depth artist bios and album articles, revealing the stories that take us deep into the heart of our favorite music. And there's more… Ready to hit the road? Your Roon library is too! Roon's browsing and discovery features fully integrate into your car's controls for safe and convenient playback. With ARC within easy reach of the wheel, every road you take is a journey in sound. ARC makes the driver's seat feel like your listening chair at home. ARC is designed to look and feel just like Roon. You get the same intuitive, aesthetically rich Roon interface you know and love, fully optimized for your phone. No more switching between streaming apps; ARC compiles all your music in one place for easy access and maximum enjoyment. And now, Roon's audio shaping suite and pristine sound quality have arrived in ARC - with bold styling never before seen in a mobile app! MUSE delivers the precision audio control of Roon when you're on the go or running a streamlined mobile setup with ARC. It places radically unique EQ handling, optimized balance control, precision volume leveling, FLAC, DSD & MQA support, crossfeed, headroom management, and sample rate conversion in the palm of your hand. You can customize sonic qualities to your specific tastes with MUSE, then save or apply them with a few clicks. To top it all off, MUSE even remembers your presets and reapplies them when you reconnect to a known device. The MUSE Signal Path display provides complete audio signal transparency as the music flows through your device - from source media all the way to your speakers. ARC offers artful design, sound quality, and a music listening experience unmatched by any other music app. Best of all, it's included free with your Roon subscription.
JDS Labs Core DSP
This app allows users to control the JDS Element IV headphone amplifier and DAC. It offers extensive customization options for audio settings, including parametric EQ, headphone presets, and adjustable sound parameters. Users can also manage device settings and store custom audio profiles.
- 12-band parametric EQ control
- Access 8,000+ headphone presets
- Adjustable Crossfeed, Loudness, Soundstage, Balance, Volume
- Store and manage EQ profiles
- Configure device settings
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JDS Labs Core is the companion app for JDS Labs Element IV, a high-fidelity headphone amplifier and DAC: - Control the 12-band parametric EQ - Access 8,000+ headphone presets - Adjustable Crossfeed, Loudness, Soundstage, Balance, and Volume - Store and manage separate EQ profiles for headphones and speakers - Configure device settings Requires JDS Labs Element IV connected via USB. Core is free for all Element IV owners. ** Requires latest Element IV firmware v1.7.3+ **
Screenshots
Verdict
The clearest difference is review sentiment: JDS Labs Core DSP at 100% against Roon ARC's 36%. JDS Labs Core DSP also leads on rating (4.8 vs 3.3). Roon ARC's advantage is ratings volume (201 vs 10). On price, update cadence, 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.
JDS Labs Core DSP holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: Roon ARC has 201 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 36% of Roon ARC's written reviews are positive against 100% of JDS Labs Core DSP's.
Roon ARC ships an update monthly, JDS Labs Core DSP every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Roon ARC | JDS Labs Core DSP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (201 ratings) | 4.8 (10 ratings) — better |
| Positive reviews | 35.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 201 — better | 10 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 124 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Roon Labs LLC | JDS Labs |
Customer experience
Roon ARC
JDS Labs Core DSP
Bugs and requests
Roon ARC
Reported bugs
4 issues- Corrupted media files
- Disappearing playlists
- Inability to select external storage for downloads
- Inconsistent connectivity to Roon server
Requested features
5 requests- Native iPad app
- Siri integration for voice control
- Improved browsing and search capabilities
- Automatic offline downloads
- MQA decoding support
JDS Labs Core DSP
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Roon ARC
No in-app purchases
JDS Labs Core DSP
No in-app purchases








