227+ iOS apps curated and reviewed
The best frequency counter apps on iPhone average 4.6★ across 227+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.
This digital tally counter app allows you to create and manage an unlimited number of counters. Customize each counter with unique names and colors, and adjust the increment/decrement step size. It offers optional sound feedback and detailed logging for each count.
This application serves as a digital tally counter, offering a simple and reliable way to track multiple counts. It features customizable styles, alerts, and sounds to personalize your counting experience.
This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.
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.
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.
Analyze sound frequencies and decibel levels with this advanced tool. Ideal for tuning audio systems, it offers real-time spectrum analysis and sound metering for various applications.
Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.
This app allows users to easily track multiple values simultaneously with customizable options. Personalize your experience with color themes and manage your counts efficiently with a history log and exportable reports.
Easily track any count with intuitive gesture controls. Perfect for scorekeeping, habit tracking, or monitoring event attendance. Offers customizable feedback and widget support for quick updates.
Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.
A simple tally counter for manual item counting. Track counts over time with a graph or export data as a CSV file for external analysis. Edit and add items easily.
This app provides a straightforward and visually appealing way to keep track of counts. It offers extensive customization for buttons, resets, and limits, with convenient access via Apple Watch and Today extensions.
Easily track an unlimited number of items with this intuitive application. Customize counters with custom steps, sound effects, and themes. Sync across devices with iCloud and share your progress.
Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.
This app provides a simple yet powerful way to track multiple counts and scores using interactive widgets. Customize counters with colors, notes, and sound feedback. Premium features include unlimited counters and iCloud sync.
Easily track any count with a versatile tally counter app. Create multiple counters, customize their names and colors, and adjust counting steps. Supports positive and negative values, with options for haptic feedback and sound.
Easily track the number of people entering or leaving a space. Set a maximum capacity and receive a visual alert when it's reached. Supports customizable input methods and can be used for various counting tasks.
Easily track any count with a simple tap. This app allows you to increment or decrement a tally with optional sound and vibration feedback. Customize your counting experience by adjusting starting numbers and notification preferences.
This app offers a simple yet powerful way to manage multiple counters, perform arithmetic operations, and customize each counter's name and color. It includes specialized counters like a sheep counter and a people counter for various tracking needs.