Comparison

drobimobile vs Frequency Detector Tool

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

Head to head
About

drobimobile

Features
Read full description

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.

About

Frequency Detector Tool

Instantly analyze musical keys from any frequency in Hertz. It displays the corresponding musical note, cents deviation, and whether it's in key with your selected musical scale. Features vocal context notes and a full frequency chart for EQ guidance.

Highlights
  • Frequency to musical note conversion
  • Cents sharp/flat indication
  • In-key analysis for selected keys
  • Nearest cut candidate identification
  • Vocal context notes for EQ
  • Full frequency chart exploration
  • Solfeggio frequencies with associations
Features
Read full description

Frequency Detector Tool is a free, elegant frequency and musical-key analyzer for producers, mixing engineers, sound healers, and the musically curious. Type in any frequency in Hertz — like 315, 2.5k, or 29834 — and instantly see: The musical note it maps to (e.g. A4 = 440 Hz) How many cents sharp or flat it is Whether it's IN KEY for the key you've selected The nearest "cut candidate" — the closest out-of-key frequency Vocal context notes to guide your EQ decisions Pick your key from all 12 tones and the whole analysis updates instantly, showing the in-key snap, the nearest cut, and vocal-range context (like the "Mud Zone" around 250–400 Hz). Open the full frequency chart to see every note across octaves 0–7, laid out for boosting and cutting in your chosen key — scroll to explore the entire spectrum. Also included: Clickable Solfeggio frequencies (432, 528, 639, 741, 852, 963) with a note on what each is associated with "Did You Know?" music-theory facts A calm, sacred-geometry inspired interface Frequency Detector Tool is completely free — no ads, no subscriptions, no catch. It's my first app, made with love. If it helps you, an optional donation on eyeheru369.com supports more free tools. Works on iPhone, iPad, and Apple Vision Pro.

Screenshots

drobimobile4 screens
Frequency Detector Tool1 screens

Verdict

The call

The clearest difference is price: Frequency Detector Tool at Free against drobimobile's $0.99. Frequency Detector Tool also leads on iOS requirement (15.0 vs 17.0). On ads, in-app purchases 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

Frequency Detector Tool is free to download; drobimobile costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
drobimobile versus Frequency Detector Tool: the parameters behind the verdict, then further details
ParameterdrobimobileFrequency Detector Tool
Price$0.99Free — better
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size3 MB9 MB
Age rating4+4+
Developercarlos prieto ortizEye Heru

In-app purchases

None

drobimobile

No in-app purchases

None

Frequency Detector Tool

No in-app purchases

Questions

Is drobimobile free?
drobimobile costs $0.99, with no in-app purchases.
Is Frequency Detector Tool free?
Frequency Detector Tool is free to download, with no in-app purchases.
Do drobimobile or Frequency Detector Tool have ads?
Neither drobimobile nor Frequency Detector Tool shows ads.

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