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Audio Mastering Quality Check

$0.99 · Designed for iPad. Not verified for macOS.

Dr. Doctor — Audio Mastering Analyzer Know exactly what you're listening to. Dr. Doctor analyzes your music library and reveals the true quality of every track. What it does: - Measures Dynamic Range (DR), Loudness (LUFS), True Peak, and Crest Factor - Detects clipping and inter-sample peaks - Spots fake lossless files (lossy upconversions disguised as FLAC or WAV) - Analyzes stereo imaging, phase issues, and per-band stereo width - Delivers a clear mastering verdict: Excellent, Good, Mediocre, or Poor Built for audiophiles: - Streams directly from your WebDAV server — no need to copy files to your device - Supports WAV, FLAC, AIFF, ALAC, DSD (DSF/DFF), MP3, AAC, and OGG - Analyze full albums at once with per-track breakdown - Visualize waveforms, frequency spectrum, and stereo vectorscope Stop guessing. Start diagnosing.

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What's New in this Version Improved Dynamic Range accuracy — now matches the official DR14 standard Heads up if you've used previous versions: DR scores in this release may read 2–4 points lower than before. This is not a regression — it's a correction. The previous algorithm produced systematically optimistic readings due to three deviations from the Pleasurize Music Foundation DR14 specification. Dr. Doctor now uses the same formula as the public DR Database (dr.loudness-war.info), the TT DR Meter, and the foobar2000 DR plugin. Your numbers will now line up with the values audiophiles and mastering engineers have referenced for over a decade.

Version 5.1

The developer, carlos prieto ortiz, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • carlos prieto ortiz
    Size
    • 3 MB
    Category
    • Music
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © carlos prieto ortiz 2026
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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