Best apps like Frequency Calculator

9+ similar apps compared and reviewed

3.8 avg rating
8 free apps
Updated July 2026

Looking for something like Frequency Calculator? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Frequency Calculator

Wavelength Calculator#1

Wavelength Calculator by Tan Chia Ling

Wavelength and Frequency
Editor's Choice
šŸ”§ Utilities
2.6(5 ratings)
$2.99
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This physics and math tool quickly calculates wave properties like wavelength and frequency. It supports various units, high precision, and allows results to be copied to other applications. The app is lightweight, ad-free, and designed with privacy in mind.

On-Air Net Scraper#2

On-Air Net Scraper by Christopher Robson

Amateur Radio On-Air Nets Tool
Strong Contender
šŸ”§ Utilities
4.4(13 ratings)
Free
On-Air Net Scraper screenshot 1
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This tool assists amateur radio operators with managing on-air nets and check-ins. It offers real-time messaging, email integration, and detailed operator information retrieval. The app supports multiple simultaneous sessions and configurable displays for efficient communication and tracking.

HamAlert#3

HamAlert by Manuel Kasper

Worth Considering
šŸ”§ Utilities
4.2(29 ratings)
Free
HamAlert screenshot 1

Receive instant push notifications for desired amateur radio contacts. Filter alerts by various criteria like callsign, band, mode, and location. Stay updated on DX spots from multiple sources.

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SignalScope X
SignalScope X
SignalScope X
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This app provides powerful measurement and analysis tools for acoustics, audio, and electronics. It offers a free oscilloscope and subscription-based tool sets for basic, advanced, and professional needs, compatible across iPhone, iPad, and Mac.

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Amateur Radio Toolkit 2025
Amateur Radio Toolkit 2025
Amateur Radio Toolkit 2025
Amateur Radio Tools
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This app provides ham radio enthusiasts with a comprehensive suite of calculators and tools for designing and building radios and antennas. It includes features for code references, coordinate conversions, unit conversions, and various antenna and technical calculations.

Q Code, 92 Code, and RST Code referencesCoordinate and Grid Square calculatorsAntenna length calculators (Dipole, Vertical, Quad, etc.)
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6
PAcalculate
PAcalculate
PAcalculate
The sound reinforcement app!
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This app provides 28 calculators and reference information for professional audio sound reinforcement and lighting. It covers acoustics, audio electronics, cabling, and lighting calculations, making it a valuable tool for audio and lighting professionals.

28 calculators for pro-audio and lightingAcoustics calculations (SPL, air absorption)Audio electronics calculations (dBu/dBV, Q/B/W)
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Vibration analysis
Vibration analysis
Vibration analysis
Vibrometer
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This app analyzes phone accelerometer data to create a vibration spectrum. It helps evaluate vibration strength, frequency, and the rotation speed of various mechanisms like fans and motors. Useful for quality checks, malfunction detection, and balancing homemade rotating parts.

Vibration spectrum analysisRotation speed evaluationMechanism quality assessment
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8
Sound Spectrum Analysis
Sound Spectrum Analysis
Sound Spectrum Analysis
Audio Frequency Analyzer (RTA)
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Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

Real-time sound spectrum analysisFast Fourier Transform (FFT) with adjustable sizeLinear and logarithmic frequency/amplitude scales
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9
Frequency: Sound Generator
Frequency: Sound Generator
Frequency: Sound Generator
by Lucija Jaksic
Free

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization
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