Best Db Killer Calculator Apps

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

(40K)

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Noise Level Tracker & SPL App

(36K)

freemium

Decibel Meter: Sound dB

Real-time decibel meterSave and export noise measurementsNoise history charts

Transform your device into a professional decibel meter to measure and track sound levels in real-time. Save measurements, view history charts, and set custom alerts for excessive noise. Useful for documenting sound exposure or identifying noise sources.

(303)

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

(161K)

Conversion Calculator Units

Unit Conversion Calculator All

Converts over 140 unitsSupports 12 conversion categoriesCustomizable themes

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

(4.8K)

HDPE/PP Pressure Calculator

McCalc Fusion Calculator

Select McElroy fusion machinesChoose from nine international standardsEnter pipe size in multiple units

This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.

Measure Sound and Noise Levels

Precision sound level meteringNoise logging and reportingHearing protection dosimeter

Measure, record, and analyze sound levels in your environment. This app offers precision metering, noise elimination tools, hearing protection features, and home audio calibration. It provides detailed reports and can be used with device microphones or external ones.

(2.5K)

Scientific Calculator fx-991

Step-by-step Math Solver

Step-by-step equation solverAdvanced scientific functionsGraphing mode

This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.

📚 Education

(404)

Ballistic Calculator SBC Light

Long Range Ballistics

Ballistic Coefficient G1Wind direction and velocityBarometric pressure, altitude, temperature

This app calculates long-range ballistics to improve shooting accuracy. It accounts for environmental factors like wind, pressure, and temperature, and offers advanced features for specific scope models.

⚽ Sports

(6.3K)

Shooter: Ballistic Calculator

by Kennedy Development Group, LLC

$19.99

This app provides precise external ballistics calculations for shooting enthusiasts. It allows users to store firearm and ammunition profiles, integrate weather data, and apply advanced corrections for accurate trajectory solutions in various environments.

Unlimited firearm and ammunition profilesBluetooth weather integrationTruing and calibration

⚽ Sports

(49)

free

Audiofile Calc — LUFS, dB, Hz

by Audiofile Engineering, LLC

Length calculationsPitch calculationsTimecode conversions

This app provides a comprehensive suite of audio engineering calculators for musicians and producers. It offers free tools for length, pitch, timecode, electric, acoustics, and file size calculations, with an optional Pro tier for advanced features like LUFS targeting and batch conversion.

🎵 Music

(13)

Decibel Shield - dB Meter

Measure Noise & Sound Levels

Real-time decibel monitoringHistorical data trackingApple Health integration

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

(468)

CNC Machinist Calculator Pro

by Shane Anderson

$14.99

This app provides a comprehensive suite of calculators and tools for CNC machinists, engineers, and hobbyists. It offers specialized calculations for turning, milling, drilling, threading, and geometric tolerances, along with material data and G-code generation.

Turning, Milling, and Drilling CalculatorsThread and Bolt Pattern CalculatorsGeometric Tolerance (GD&T) Tools

📊 Productivity

(675)

paid

OBD2 Car Scanner - EOBD Facile

Torque & ELM327 OBD Diagnostic

Read and clear engine fault codesMonitor real-time sensor dataTurn off check engine light

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

(5K)

dmx calculator

easy dmx calculator

Automatic dip switch calculationDevice addressing assistancePatch list generation

This application simplifies the process of calculating DMX dip switch settings for lighting equipment. It helps users easily address devices and generate a patch list, eliminating manual counting.

📊 Productivity

(5)

DashCommand - OBD-II Gauges

OBD-II Dashboards, Scan Tool

$9.99

Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.

Customizable vehicle performance displayEngine and vehicle data loggingRead and clear check engine lights

⚽ Sports

(2.1K)

Concrete Calculator Tools

Feet Inch Concrete Calculator

Flexible unit support (metric/imperial)Rectangular slab calculator (free)Circular slab calculator

This app simplifies concrete volume calculations for professionals and DIYers. It offers flexible unit support and a free rectangular slab calculator, with advanced features available via subscription.

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