Comparison

HQPDcontrol v4 vs ADI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HQPDcontrol v4

Control your high-quality audio playback and upsampling from your mobile device. Browse your music library, manage playback queues, and adjust audio processing settings remotely. Seamlessly connect to your HQPlayer setup for an intuitive audiophile experience.

Highlights
  • Library browsing by artist, album, genre, and directory
  • Full playback transport controls
  • Real-time audio format and processing display
  • Queue management with drag-and-drop reordering
  • Remote adjustment of HQPlayer audio settings
  • HRA catalog browsing and streaming
  • Automatic HQPlayer instance discovery
Features
Read full description

HQPDcontrol is the remote control for HQPlayer — the renowned high-quality audio player and upsampler. Turn your iPhone or iPad into a powerful, intuitive control surface for your audiophile setup. LIBRARY BROWSING Browse your music collection by artists, albums, genres, directories, or playlists. Search across your entire library instantly. View album artwork, track details, and digital booklets. Choose between grid and list views with configurable column layouts optimized for both phones and tablets. PLAYBACK CONTROL Full transport controls with real-time track information, album art, and a detailed audio format display showing sample rate, format (PCM/DSD), and the processing pipeline. Scrub through tracks, adjust volume, and monitor audio levels with a multi-channel meter view featuring peak indicators. QUEUE MANAGEMENT View and edit your playing queue with drag-and-drop reordering. Add tracks, albums, or entire playlists. Clear the queue or save it as a playlist for later. Jump to the currently playing track with a single tap. HQPLAYER SETTINGS Adjust HQPlayer's audio processing parameters directly from your device. Change filters, modulators, and other settings in real time without interrupting playback. HRA CATALOG ACCESS Browse and search the HRA (HIGHRESAUDIO.com) streaming catalog directly from the app. Manage your HRA playlists and send streaming URLs to HQPlayer for playback — HQPDcontrol acts purely as a remote control, with all audio processing and playback handled by HQPlayer. AUTOMATIC DISCOVERY HQPDcontrol automatically detects HQPlayer instances on your network. Just launch the app and connect — or configure the connection manually if preferred. DESIGNED FOR AUDIOPHILES • Real-time audio level meters with multi-channel support • Detailed format and conversion information display • Support for PCM and DSD formats • Album booklet/liner notes viewer (PDF) • Library statistics and storage overview • Dark and light themes • Left-handed mode • Responsive layout for all screen sizes HQPDcontrol requires a running instance of HQPlayer on your network. No audio is streamed through the app — all playback is handled entirely by HQPlayer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ADI

Control your RME ADI-2 Series audio device directly from your iPad. Adjust settings, access EQ presets, and manage setup files conveniently. Requires a USB connection between the device and your iPad.

Highlights
  • Remote control for RME ADI-2 Series
  • Adjust device settings
  • Access EQ presets
  • Save and transfer setup files
  • USB connection required
Read full description

The RME ADI-2 Remote App is a remote control for the RME ADI-2 Series. The device needs to be connected to the iPad via USB. Settings are transferred from the device to the remote when the app is started and can be conveniently adjusted there. A special editor allows access to all EQ presets. With the file functions of the iPad, setup files and complete EQ preset sets can be saved or transferred. The remote requires firmware version 80/59 (FPGA/DSP) or higher for the ADI-2 DAC, 266/122 for ADI-2 Pro and 71/36 for ADI-2/4 Pro SE. The new ADI-2/4 Pro EX will be supported from beginning.

Screenshots

HQPDcontrol v44 screens

Verdict

The call

The clearest difference is rating: ADI at 4.8 against HQPDcontrol v4's 3.9. ADI also leads on in-app purchases (none vs 2). HQPDcontrol v4's advantage is update cadence (every 2 weeks vs monthly) and review sentiment (83% vs 75%). On price, ratings volume, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HQPDcontrol v4 sells 2 in-app purchases, starting at $1.99 per month. ADI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ADI holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews complicate that: 83% of HQPDcontrol v4's written reviews are positive against 75% of ADI's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

HQPDcontrol v4 ships an update every 2 weeks, ADI monthly. The most recent releases landed on September 22, 2026 and August 10, 2026 respectively.

Scorecard5 real differences · 5 level
HQPDcontrol v4 versus ADI: the parameters behind the verdict, then further details
ParameterHQPDcontrol v4ADI
PriceFreeFree
Rating3.9 (10 ratings)4.8 (5 ratings) — better
Positive reviews83.3% of reviews — better75.0% of reviews
Number of ratings10 — better5
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPad
Requires iOS16.615.6 — better
Further details — not scored
Size53 MB2 MB
Age rating12+4+
DeveloperAles ProchazkaRME GmbH

Customer experience

HQPDcontrol v4

All ratings10 ratings
Positive70.0%
Neutral10.0%
Negative20.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

ADI

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

2 purchases

HQPDcontrol v4

Subscriptions2
  • HQPDcontrol v4 (M)7 Days trial$1.991 Month
  • HQPDcontrol v4 (A)7 Days trial$12.991 Year
None

ADI

No in-app purchases

Questions

Is HQPDcontrol v4 free?
HQPDcontrol v4 is free to download, with in-app purchases available.
Is ADI free?
ADI is free to download, with no in-app purchases.
Which has better reviews, HQPDcontrol v4 or ADI?
ADI is rated higher. HQPDcontrol v4 averages 3.9 out of 5 from 10 ratings, while ADI averages 4.8 from 5 ratings.
Do HQPDcontrol v4 or ADI have ads?
Neither HQPDcontrol v4 nor ADI shows ads.
Which is updated more often, HQPDcontrol v4 or ADI?
HQPDcontrol v4 ships an update every 2 weeks, and ADI monthly. Most recently, HQPDcontrol v4 was updated on September 22, 2026 and ADI on August 10, 2026.

Other comparisons