dB Calc app icon

Apps Like dB Calc for iPhone and iPad

Decibel calculations made easy now.

The app converts between various RF signal measurement units including decibel, neper, and ratio conversions. It calculates power, voltage, and RMS waveform values based on user input and selected units.

by Black Cat Systems★ 5.05 ratingsReference$0.99Data updated 2026-09-10

dB Calc screenshots

Ranked alternatives

Showing 581–600 of 1,000 ranked alternatives.

  1. DC Electric Generator app icon

    DC Electric Generator

    V PUGAZHENTHI

    Calculate EMF for DC generators

    Calculate electromagnetic force (EMF) for a DC based on input parameters. Enter speed, poles, magnetic flux, conductors, and parallel paths. Supports both lap and wave windings. Works on iPhones and iPads.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-06
  2. EQD Calculator app icon

    EQD Calculator

    Hiroyuki KATOH

    Calculate BED and EQD values instantly

    Calculate equivalent dose (EQD) and biologically effective dose (BED) using formulas for radiotherapy. Input parameters such as dose per fraction, total dose, and fractionation scheme. Display results instantly. Save and export calculations.

    ★ 4.47 ratingsMedicalFreeData updated 2026-09-09
  1. Lotus app icon

    Lotus

    Ryoun Chon Shin

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  2. R44 Raven app icon

    R44 Raven

    Gyronimo, LLC

    Calculate flight data and display metrics

    Calculate aircraft performance metrics including climb rates, fuel consumption, and glide ratios. Input flight data to generate detailed reports. Simulate scenarios for training and analysis. Sync with flight instruments for real-time data.

    ★ 5.02 ratingsEducation$29.99Data updated 2026-09-08
  3. Mila's Fuel & EV Converter app icon

    Mila's Fuel & EV Converter

    Scott DeSapio

    Compare fuel economy across all units.

    The app converts between 16 different fuel economy units. It displays results in various formats for combustion and electric vehicles.

    ★ 4.86 ratingsUtilitiesFreeData updated 2026-10-11
  4. Thermal Engineering Calc app icon

    Thermal Engineering Calc

    V PUGAZHENTHI

    Calculate efficiency and energy values

    Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and more. Users can access thermodynamics tables, formulas, and definitions.

    ★ 4.76 ratingsProductivity$2.99Data updated 2026-09-08
  5. ESAB Welding Parameters Set-Up Guide app icon

    ESAB Welding Parameters Set-Up Guide

    The ESAB Group Inc

    Select wire type and calculate

    Identify by selecting wire type and inputting details. Calculate wire feed speed, voltage, current, and inductance. Adjust machine settings based on application needs. Store and retrieve setup data for different projects.

    ★ 3.24 ratingsEducationFreeData updated 2026-09-08
  6. Miles to Km Converter app icon

    Miles to Km Converter

    JanoGroup LLC

    Convert to kilometers and vice versa

    Convert to kilometers and kilometers to with instant, precise calculations. Save conversion history and switch between dark and light themes. Works offline and features a clean, user-friendly interface.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  7. Decimal & Fraction Calculator app icon

    Decimal & Fraction Calculator

    Grant Thompson

    Calculate fractions and decimals with precision

    Perform calculations with fractions, decimals, and repeating decimals using order of operations. Enter fractions with blue buttons for whole numbers and green buttons for numerators over denominators.

    ★ 4.26 ratingsEducation$1.99Data updated 2026-09-06
  8. OpAmplifiers app icon

    OpAmplifiers

    Kyrill Cousson

    Study operational amplifier applications easily.

    The app helps users study operational amplifiers and their applications. It provides schematics, formulas, and component calculations within a simple interface.

    ★ 2.01 ratingsEducationFreeData updated 2026-10-19
  9. WWJD: Bible Study Companion app icon

    WWJD: Bible Study Companion

    LightPath Apps, LLC

    Scripture, ask questions, and chat with AI

    Track daily reading progress with streaks and achievements. Engage in AI-powered chat for Scripture questions. Use voice interaction for real-time responses. Set reading goals and receive -based answers instantly.

    ★ 5.03 ratingsReferenceFreeData updated 2026-09-06
  10. Machinist Pocket Pal app icon

    Machinist Pocket Pal

    Wesley Pingleton

    Calculate tolerances and dimensions

    Provides calculators for speeds and feeds, milling, lathe, drilling, and trigonometry. Includes reference materials for machining formulas and tool performance optimization. Users can access essential engineering resources and calculations on-the-go.

    ★ 4.04 ratingsReference$3.99Data updated 2026-09-06
  11. R44 Raven II app icon

    R44 Raven II

    Gyronimo, LLC

    Update aircraft data and track weight balance

    Manage helicopter weight and balance calculations. Load and save up to 10 helicopter configurations. Connect to Fleet Control for updating BEW and aircraft data. Sync with online database for managing multiple helicopters.

    ★ 5.02 ratingsEducation$29.99Data updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.