Comparison

NIOSH Sound Level Meter vs MyMixTool

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

Head to head
About

NIOSH Sound Level Meter

This award-winning utility app accurately measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and educational resources on hearing protection, all for free.

Highlights
  • Accurate sound level measurement (± 2 dBA)
  • Professional metrics (LAeq, TWA, Max, Peak)
  • Noise dose and projected dose calculations
  • Calibration for internal/external microphones
  • Informational screens on noise hazards
  • Reporting and data sharing
  • Apple Health (Hearing) app integration
Read full description

This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. - Trusted source and world-class expertise in noise and hearing research. - Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ external microphone.* - Provides the most relevant metrics found in professional sound instruments today. Averages such as LAeq and TWA, Max and Peak Levels, Noise Dose and Projected Dose according to NIOSH and OSHA standards, and all three major weighting networks (A, C, and Z). - Capability to calibrate either internal or external microphone. Reporting and Sharing data. - Up-to-date informational screens on what noises are considered hazardous, how to conduct a noise measurement, how to properly select a hearing protector, and guidelines for preventing hearing loss, all at the palm of your hand. - Excellent and timely support from NIOSH hearing experts. - Support for Apple's Health (Hearing) app. * Celestina M, Hrovat J, Kardous CA [2018]. Smartphone-based sound level measurement apps: Evaluation of compliance with international sound level meter standards. Applied Acoustics, 139:119-128. https://doi.org/10.1016/j.apacoust.2018.04.011 More resources (including instructional videos and a user manual), a science blog, FAQ, and information about how to interpret results can be found on the NIOSH SLM website https://www.cdc.gov/niosh/topics/noise/app.html

About

MyMixTool

Features
Read full description

The best way to control digital mixer with your iPhone or iPad! Features: • Different views (general view, layer view, edit mode, aux sends, fx sends, player mode) • Easy assign volumes, reverbs, delays, FX effects, balances, mute, solo • Control built-in USB media player • Quick and easy graphic EQ, compressor and gate • Easily assign mute groups • Easily assign sub groups • Ability to protect controlling with a master password (Local aux control) • Import/export presets and shows • Runs on smartphones and tablets • Email support Warning: This app does not play any sound; you can't even edit any sounds. It is solely for remote controlling your digital mixer. The following models are supported: • Soundcraft Ui12 • Soundcraft Ui16 • Soundcraft Ui24r ## DISCLAIMER This product and/or service is not affiliated with, endorsed by or in any way associated with Soundcraft or its products and services. Soundcraft and their respective logos are trademarks or registered trademarks of Harman International Industries, Inc.

Screenshots

NIOSH Sound Level Meter4 screens
MyMixTool4 screens

Verdict

The call

The clearest difference is price: NIOSH Sound Level Meter at Free against MyMixTool's $4.99. NIOSH Sound Level Meter also leads on update cadence (every 4 months vs every 9 months) and iOS requirement (15.0 vs 17.2). 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

NIOSH Sound Level Meter is free to download; MyMixTool costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NIOSH Sound Level Meter ships an update every 4 months, MyMixTool every 9 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
NIOSH Sound Level Meter versus MyMixTool: the parameters behind the verdict, then further details
ParameterNIOSH Sound Level MeterMyMixTool
PriceFree — better$4.99
Rating4.7 (17K ratings) — better—
Positive reviews64.5% of reviews—
Number of ratings17K — better—
Update frequencyEvery 4 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.2
Further details — not scored
Size6 MB33 MB
Age rating4+4+
DeveloperEA LABDavor Repec

Bugs and requests

NIOSH Sound Level Meter

Reported bugs

3 issues
  • Inconsistent or inaccurate readings in some cases
  • Inability to properly connect and use external microphones
  • Freezing or crashing when minimizing the app

Requested features

4 requests
  • Ability to save and export measurement sessions
  • Option to run the app in the background while the screen is locked
  • Integration with Apple Health for long-term noise exposure tracking
  • Frequency-specific noise measurements (e.g., A-weighted, C-weighted)

MyMixTool

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

NIOSH Sound Level Meter

No in-app purchases

None

MyMixTool

No in-app purchases

Questions

Is NIOSH Sound Level Meter free?
NIOSH Sound Level Meter is free to download, with no in-app purchases.
Is MyMixTool free?
MyMixTool costs $4.99, with no in-app purchases.
Do NIOSH Sound Level Meter or MyMixTool have ads?
Neither NIOSH Sound Level Meter nor MyMixTool shows ads.
Which is updated more often, NIOSH Sound Level Meter or MyMixTool?
NIOSH Sound Level Meter ships an update every 4 months, and MyMixTool every 9 months. Most recently, NIOSH Sound Level Meter was updated on November 11, 2026 and MyMixTool on November 8, 2026.

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