Comparison

SoundMeter X vs SynQR

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

Head to head
About

SoundMeter X

Transform your device into a professional sound level meter, noise dosimeter, and spectrum analyzer. Log data, calibrate sensitivity, and analyze audio with advanced features. Offers a free trial for premium functionalities.

Highlights
  • Handheld data-logging sound level meter
  • Data-logging noise dosimeter
  • Real-time octave spectrum analyzer
  • Multi-channel data recorder
  • Stereo signal generator
  • Sensitivity calibration
  • Data logging in CSV, TXT, MAT, and PDF
Features
Read full description

SoundMeter X turns your iPhone or iPad into a handheld data-logging sound level meter (SLM), data-logging noise dosimeter, stereo signal generator, multi-channel data recorder, and real-time whole or 1/3 octave band spectrum analyzer (subscription or perpetual license required for most features--14-day free trial available). Input signals can be acquired from any available audio input path. Sensitivity calibration can also be performed for any audio input device and/or input channel. Direct hardware support (automatic sensitivity calibration, based on factory-defined values) for The Modal Shop’s 2-channel 485B39 USB-ICP interface and miniDSP’s UMIK-1, UMIK-2, and EARS microphones. In addition to real-time sound level measurements, SoundMeter can stream raw sound data to audio files, and store acquired sound level data, including date, time, and location, in CSV or TXT (tab-delimited) files, MAT-files, or high-resolution PDF images for later retrieval from your device. SoundMeter may be downloaded for free from the App Store. Additional tools and features are offered via in-app purchase. The SoundMeter Pro subscription includes: - User-defined custom metadata in saved audio and data files - Level MeterLp, Leq, Lx sound levels -- Standard Flat, A, C frequency weighting -- Standard Fast, Slow, Impulse time weighting -- Data logging. Data can be logged as often as every 0.1 seconds for up to 8 hours, every second for up to 72 hours, or every 10 seconds for up to two weeks. -- Event notifications - Max Levels Meter -- Traffic-light-style meters make it easy to monitor 2 separate sound level thresholds in 2 independent user-defined frequency bands. -- Define lower (warning) and higher (limit) sound level thresholds for overall (full audio band) levels as well as for individual octave frequency bands. -- Store user-defined thresholds in files for later recall. - Noise Dosimeter -- 8-hour Noise Dose, Projected Dose, TWA calculations -- Criterion Levels: 80, 85, 90 dB -- Exchange Rates: 3, 4, 5 dB -- Data logging. Data can be logged as often as every 0.1 seconds for up to 8 hours, every second for up to 72 hours, or every 10 seconds for up to two weeks. - Real-time Octave Spectrum Analyzer (RTA) -- Lp, Leq, Lx sound levels -- Supports whole or 1/3-octave frequency bands -- Standard Flat, A, C frequency weighting -- Standard Fast, Slow, Impulse time weighting -- NC, RNC, and NR references curves, NC, SIL, and NR values -- Data logging. Data can be logged as often as every 0.1 seconds for up to 8 hours, every second for up to 72 hours, or every 10 seconds for up to two weeks. - Multi-channel Data Recorder -- Supports up to 8 channels -- Live monitoring of recorded data -- Metadata (including calibrated sensitivity) embedded in audio file (AIF, CAF, WAV), optionally saved in separate data file - Stereo Signal Generator -- Left and right outputs assigned to arbitrary hardware output channels -- Random and pseudorandom (periodic) noise sequences with white or pink spectrum -- Linear and logarithmic frequency sweeps -- Dual periodic waveforms with arbitrary frequency and phase difference - MultiTool -- Powerful data monitoring and project management (Add 2-6 subtools, depending on screen size, and save configurations for easy recall at a later time.) The SignalScope X Pro Tool Set subscription can be shared between SoundMeter X and SignalScope X. It unlocks all tools and features of the SoundMeter Pro subscription in SoundMeter X and all tools and features of the Pro Tool Set subscription in SignalScope X (iCloud login required). Learn more about SoundMeter X at FaberAcoustical.com. Subscription Terms: - https://www.faberacoustical.com/apps/subscriptions/terms.html Privacy Policy: - https://www.faberacoustical.com/about/privacy.html Terms and Conditions for FaberAcoustical.com: https://www.faberacoustical.com/about/terms.html

About

SynQR

This tool accurately measures real-time video offsets in playback systems, helping users synchronize audio and video signals in DAWs and NLEs. It assists professionals and enthusiasts in eliminating sync issues caused by hardware processing or video codecs.

Highlights
  • Real-time offset measurement
  • Synchronization for DAWs/NLEs
  • Adjusts for hardware latency
  • Compensates for video codec offsets
  • Supports popular editing software
  • Uses test videos for measurement
Read full description

Are you struggling with out-of-sync video playback? Do you feel uncomfortable guessing your DAW's video offset based on a 2-pop? Say goodbye to guesswork. With SynQR, you can measure the video offset of your playback system in real-time. In DAWs and NLEs, audio and video are processed on separate hardware. This often leads to latencies that result in synchronization issues. Additionally, different video codecs can introduce varying offsets too. SynQR is a tool that accurately measures these offsets and displays them in real-time. Armed with this information, you can easily adjust your setup to achieve perfect synchronization. SynQR uses classic film leaders or special test videos for measurement, which can be downloaded at https://synqr.app/downloads. Whether you're using popular editing programs like Pro Tools, Adobe Premiere, Blackmagic Resolve, AVID Media Composer, Final Cut X, Nuendo, or Studio One, the offset information provided by SyncQR helps you make the necessary adjustments and optimally synchronize your audio and video signals. Who is SynQR for? • Sound Designers, Sound Editors, and Re-recording Mixers • Film and Video Editors • Cinema Operators • Home Theater Enthusiasts

Screenshots

SoundMeter X4 screens
SynQR4 screens

Verdict

The call

The clearest difference is rating: SoundMeter X at 3.6 against SynQR's 1.8. SoundMeter X also leads on ratings volume (45 vs 5). On price, review sentiment, update cadence and ads 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. SoundMeter X sells 7 in-app purchases, starting at $4.99 per month and SynQR sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SoundMeter X holds the better App Store score, 3.6 against 1.8. That said, the two scores are not equally well evidenced: SoundMeter X has 45 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 23% of SoundMeter X's written reviews are positive against 20% of SynQR's.

UpkeepUpdate frequency

SoundMeter X ships an update every 3 weeks, SynQR every 4 weeks. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
SoundMeter X versus SynQR: the parameters behind the verdict, then further details
ParameterSoundMeter XSynQR
PriceFreeFree
Rating3.6 (45 ratings) — better1.8 (5 ratings)
Positive reviews22.6% of reviews — better20.0% of reviews
Number of ratings45 — better5
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size18 MB66 MB
Age rating4+4+
DeveloperFaber Acoustical, LLCBenjamin Hoerbe

Customer experience

SoundMeter X

All ratings45 ratings
Positive62.2%
Neutral8.9%
Negative28.9%
Written reviews31 reviews
Positive22.6%
Neutral6.5%
Negative71.0%

SynQR

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

7 purchases

SoundMeter X

Subscriptions4
  • SoundMeter Pro, 1 Month14 Days trial$4.991 Month
  • Pro Tool Set, 1 Month14 Days trial$24.991 Month
  • SoundMeter Pro, 1 Year14 Days trial$49.991 Year
Show 1 more
  • Pro Tool Set, 1 Year14 Days trial$249.991 Year
One-time3
  • 14-day Free Trial, SoundMeter ProFree
  • SoundMeter Pro 2026 Upgrade$29.99
  • SoundMeter Pro 2026$99.99
4 purchases

SynQR

One-time4
  • Pro 7 Day TrialFree
  • Free Three-Day TrialFree
  • One-Year Edu Subscription.$0.99
Show 1 more
  • SynQR Pro$39.99

Questions

Is SoundMeter X free?
SoundMeter X is free to download, with in-app purchases available.
Is SynQR free?
SynQR is free to download, with in-app purchases available.
Which has better reviews, SoundMeter X or SynQR?
SoundMeter X is rated higher. SoundMeter X averages 3.6 out of 5 from 45 ratings, while SynQR averages 1.8 from 5 ratings.
Do SoundMeter X or SynQR have ads?
Neither SoundMeter X nor SynQR shows ads.
Which is updated more often, SoundMeter X or SynQR?
SoundMeter X ships an update every 3 weeks, and SynQR every 4 weeks. Most recently, SoundMeter X was updated on September 25, 2026 and SynQR on September 8, 2026.

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