Comparison

Decibel Meter vs Tuning Fork Studio

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

Head to head
About

Decibel Meter

Transform your smartphone into a precise sound measuring device. This app uses your phone's microphone to display real-time decibel levels with clear descriptions. Analyze sound over time, calibrate for accuracy, and share your findings easily.

Highlights
  • Real-time decibel measurement
  • Min, average, and max sound levels
  • Apple Watch integration
  • Customizable calibration
  • Data sharing (CSV, screenshots)
  • Historical data tracking
  • Cloud data storage
Features
Read full description

Turn your smartphone into a sound measuring device. Our app uses a built-in microphone to display current decibels level with a corresponding, easily readable text description, and you can start/stop a measurement to get an average as well as min and max values from a specific period of time. - Precision Sound Measurement: Turn your smartphone into a high-accuracy sound meter! Displays real-time decibel levels with clear text descriptions. - Comprehensive Data Analysis: Capture minimum, average, and maximum sound levels. Perfect for analyzing specific time periods and sound environments. - Seamless Watch Integration (Apple Watch): Effortlessly control measurements from your wrist with our Apple Watch app. Hands-free and interference-free! - Customizable Calibration: Manually or automatically adjust decibel input values to fit your needs. Perfect for personalized sound measurement. - Easy Data Sharing: Share sound level readings instantly. Export as CSV or share engaging screenshots with friends or colleagues. - Historical Data Tracking: Revisit your sound measurements with our intuitive history screen. Displays all your past data with detailed statistics. - Cloud Data Security: Keep your data safe and accessible anywhere with our cloud services. Log in with social media or email on any device. - Adaptive Display Settings: Customize your display for short or long-term monitoring. Keep your screen on to always have an eye on your recordings. - Features Exclusive to Apple Watch - Remote Measurement Control: Manage your phone's sound measurements directly from your Apple watch. Simplify your experience! - Real-Time Monitoring on Your Wrist: Monitor current sound levels conveniently on your Apple Watch device. Stay informed effortlessly! Using the calibration option, you can adjust the input decibels values according to your needs. You can also screenshot the whole view and share it with friends. The history screen allows you to see your saved data with the date, time, avg, and max values along with the CSV file from the whole span of measurement, which you can also share as you please. Keep your data safe with our cloud services, which allows you to create accounts and store your data.. Log in using your social media accounts or email to a different device to see and share your data. In settings, you can set up chart length according to your needs, whether you want to see a short period of time or a longer time span. Also, you can change the settings to keep your screen on in order to keep an eye on your recordings at all times. Our app comes with a brand new application for Apple Watch devices. You can easily control your measurements with your watch without having to touch your phone. Controlling the measurements with the watch avoids interference! Privacy policy: https://mysticmobileapps.com/legal/privacy/decibelmeter Terms and conditions: https://mysticmobileapps.com/legal/terms/decibelmeter

About

Tuning Fork Studio

Generate fundamental audio waveforms like sine, square, triangle, and sawtooth with precise control over frequency, amplitude, phase, and harmonics. Export high-quality audio for music production, sound design, and acoustic testing.

Highlights
  • Sine, square, triangle, sawtooth wave generation
  • Precise frequency control (A4 standard, custom Hz)
  • Amplitude, phase, and multi-harmonic overlay
  • Real-time complex sound synthesis
  • High-quality audio export
  • Music production and sound design tool
Features
Read full description

Tuning Fork is a tool for tone generation, instrument playback, and sound observation. Build a sound from a familiar reference pitch, then explore it through live waveforms and spectra. Customize frequency, output gain, and harmonic components. Choose sine, square, triangle, or sawtooth waves, layer harmonics, and save configurations for later use. Play notes on a piano keyboard with the included GeneralUser GS soundfont. With microphone permission, the analyzer shows a live waveform, frequency reading, input level, and spectrum on your device. Core instrument playback, custom frequency, basic waveforms, and sound analysis are free. Pro adds the complete instrument library, more waveforms, unlimited sound configurations, and longer audio exports. Prices and availability are shown in the App Store. The app does not collect your data. Microphone input is processed on-device for live analysis and is not uploaded to developer servers. Privacy Policy: https://sites.google.com/view/gly699/home/privacy_policy Terms of Use: https://sites.google.com/view/gly699/home/terms-of-use Contact: liyangong697@gmail.com

Screenshots

Decibel Meter4 screens
Tuning Fork Studio4 screens

Verdict

The call

The clearest difference is rating: Tuning Fork Studio at 5.0 against Decibel Meter's 4.3. Tuning Fork Studio also leads on ads (none vs shown). Decibel Meter's advantage is ratings volume (222 vs 1). On price, update cadence, in-app purchases and monetization model 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. Decibel Meter sells 2 in-app purchases, starting at $0.99 per month and Tuning Fork Studio sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tuning Fork Studio holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Decibel Meter has 222 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Decibel Meter ships an update every 3 weeks, Tuning Fork Studio every 2 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Decibel Meter versus Tuning Fork Studio: the parameters behind the verdict, then further details
ParameterDecibel MeterTuning Fork Studio
PriceFreeFree
Rating4.3 (222 ratings)5.0 (1 ratings) — better
Positive reviews40.5% of reviews—
Number of ratings222 — better1
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size51 MB35 MB
Age rating4+4+
DeveloperMYSTIC MOBILE APPS LLC丽俨 龚

Customer experience

Decibel Meter

All ratings222 ratings
Positive84.2%
Neutral5.9%
Negative9.9%
Written reviews131 reviews
Positive40.5%
Neutral9.2%
Negative50.4%

Tuning Fork Studio

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Decibel Meter

Subscriptions2
  • Monthly Sound Meter+14 Days trial$0.991 Month
  • Annual Sound Meter+14 Days trial$5.991 Year
3 purchases

Tuning Fork Studio

Subscriptions2
  • Monthly$0.991 Month
  • Yearly3 Days trial$5.991 Year
One-time1
  • Lifetime$9.99

Questions

Is Decibel Meter free?
Decibel Meter is free to download, with in-app purchases available.
Is Tuning Fork Studio free?
Tuning Fork Studio is free to download, with in-app purchases available.
Which has better reviews, Decibel Meter or Tuning Fork Studio?
Tuning Fork Studio is rated higher. Decibel Meter averages 4.3 out of 5 from 222 ratings, while Tuning Fork Studio averages 5.0 from 1 ratings.
Do Decibel Meter or Tuning Fork Studio have ads?
Decibel Meter shows ads; Tuning Fork Studio does not.
Which is updated more often, Decibel Meter or Tuning Fork Studio?
Decibel Meter ships an update every 3 weeks, and Tuning Fork Studio every 2 weeks. Most recently, Decibel Meter was updated on October 29, 2026 and Tuning Fork Studio on October 24, 2026.

Other comparisons