RE vs SoundMaster Pro
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RE
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The better way to identify and track music. Ever scan a song that wasn't identified or that isnβt released yet? RE-iD helps you discover what the track is and keeps checking until it finally drops. Just scan the song and RE-iD will search across music platforms and continuously monitor it for you. When the track becomes available, youβll get notified instantly. Stop losing the best songs you discover. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://re-id.co/privacy
SoundMaster Pro
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Sound Master β acoustic measurement for live-sound engineers: sound level meter, spectrum analyser, RT60, system response and speaker delay alignment. Usable results in seconds, in the field, offline and with no account. Built for the field Sound techs, system engineers, installers: every tool answers a real situation β finding a hole in the response before the audience arrives, checking an RT60, aligning a delay tower, tuning a system. Mic-based readings are indicative, not calibrated: a field tool, not a lab. On iPhone and iPad Real-time sound level meter in decibels. Real-time spectrum analyser, full-resolution FFT or octave bands from 1/1 to 1/12, with peak hold and RMS curve. RT60 measurement (T20 method). Signal generator (sine, white noise, pink noise, log sweep). Swept system response. Speaker delay alignment. Saved captures that can be compared against each other and exported to PDF. On Mac β additionally A Mac has an audio interface plugged into it, and the Mac edition uses it. Live mode: meter, analyser and spectrogram side by side in one window, each panel resizable and adjustable on its own. dB A and dB C over fifteen minutes, microphone calibration, limits that turn red when exceeded, a trend indicator. Session recording to PDF minute by minute, and instant screen capture to PDF. Input routing: each bus is assigned to any input of any device, from inside the app. The MIC bus carries the measurement β it is what the meter, the analyser and the spectrogram all read. The optional REF bus carries the reference signal and appears as an extra curve on the analyser with its own scale, draggable so it can be laid over the measurement for comparison. The two buses can come from two different boxes: the app builds its own private aggregate device with clock drift correction, adding nothing to your system settings and never touching Audio MIDI Setup. Subscription Free trial, then subscription. The subscription is shared across iPhone, iPad and Mac β one purchase covers all your devices. On Mac there is no ad-supported free tier. About level readings The meter gives working figures for the sound engineer, dependent on your microphone's calibration. It is not a regulatory sound level meter: a legally valid measurement requires a class 1 or 2 instrument per IEC 61672. In a venue subject to noise regulation, the venue's own system is what counts. Terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://soundmaster.monlocaltechnique.fr/privacy.html
Screenshots
Verdict
The clearest difference is ads: RE at none against SoundMaster Pro's shown. RE also leads on update cadence (daily vs every 6 days). SoundMaster Pro's advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. RE sells 1 in-app purchase, starting at $2.99 per month and SoundMaster Pro sells 1 in-app purchase, starting at $11.99 per year. Whichever you choose, the download price is not the number that matters.
RE ships an update daily, SoundMaster Pro every 6 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | RE | SoundMaster Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily β better | Every 6 days |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac β better |
| Requires iOS | 15.1 | 13.0 β better |
| Further details β not scored | ||
| Size | 49 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Haibert Barfian | Mon Local Technique |
In-app purchases
RE
- Re-iD Pro$2.991 Month
SoundMaster Pro
- Sound Master Pro β Full Access$11.991 Year









