Comparison

SoundMeter X vs nocki Vision

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 up to 6 subtools 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

nocki Vision

Features
Read full description

nocki Vision is an AI video analysis management solution developed by Trustay. It allows for an immediate transition to an AI-based intelligent operating system while utilizing existing CCTV infrastructure. *What is nocki Vision? nocki Vision is an administrator-only app that goes beyond simple CCTV monitoring. It enables AI to automatically analyze situations within video footage and facilitates immediate response when anomalies are detected. By adding an AI layer to existing CCTVs without the need for separate camera replacement, it minimizes implementation costs and construction burdens. *Key Features [Real-time AI Event Detection] - Intrusion/Unauthorized Entry Detection - Fall/Collapse Detection - Fire/Smoke Anomaly Detection - Cluster/Congestion Analysis - Access Control Detection for Designated Areas [Admin Dashboard] - Integrated View of Camera Status and Detection Events by Site - Immediate Push Notifications Upon Event Occurrence - View Detection Video Clips and Event Logs - Detailed Management at the Site/Camera Level [Operational Efficiency] - Minimize control personnel through 24/7 unmanned automatic detection - Eliminate unnecessary video checks with event-based notifications - Support cloud-based remote monitoring - Simultaneous management of multiple sites * Applicable Sites - Logistics Centers / Warehouses - Manufacturing Plants / Industrial Facilities - Accommodation Facilities (Hotels · Motels) - Commercial Buildings / Offices - Multi-unit Housing Complexes - Performance Venues / Multi-use Facilities * Security and Reliability - Encrypted video data transmission - Permission-based access control - A separate contract with Trustay is required to use the service This app is a dedicated app for site managers of client companies that have adopted the nocki Vision service. Service Inquiry: help@trustay.me

Screenshots

SoundMeter X4 screens
nocki Vision4 screens

Verdict

The call

The clearest difference is in-app purchases: nocki Vision at none against SoundMeter X's 7. nocki Vision also leads on iOS requirement (16.0 vs 18.6). SoundMeter X's advantage is device support (3 vs 1). On price, 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. nocki Vision asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
SoundMeter X versus nocki Vision: the parameters behind the verdict, then further details
ParameterSoundMeter Xnocki Vision
PriceFreeFree
Rating3.6 (45 ratings) — better—
Positive reviews22.6% of reviews—
Number of ratings45 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.616.0 — better
Further details — not scored
Size18 MB46 MB
Age rating4+4+
DeveloperFaber Acoustical, LLCTrustay Co.,Ltd

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
None

nocki Vision

No in-app purchases

Questions

Is SoundMeter X free?
SoundMeter X is free to download, with in-app purchases available.
Is nocki Vision free?
nocki Vision is free to download, with no in-app purchases.
Do SoundMeter X or nocki Vision have ads?
Neither SoundMeter X nor nocki Vision shows ads.
Which is updated more often, SoundMeter X or nocki Vision?
SoundMeter X ships an update every 3 weeks, and nocki Vision every 3 weeks. Most recently, SoundMeter X was updated on November 3, 2026 and nocki Vision on November 5, 2026.

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