228+ iOS apps curated and reviewed
The best frequency counter apps on iPhone average 4.5★ across 228+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (3) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.7★ (4.1K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.8★ (12K) | Yes | Yes | Jul 2026 |
| 4 |  | Free was $10.99 | 4.6★ (971) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (340) | Yes | No | Jul 2026 |
| 6 |  | Free | 4.5★ (4.8K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.2★ (383) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (156K) | No | Yes | Jul 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 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 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 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.
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.
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.
This app allows you to create and manage multiple counters organized into custom groups. Personalize each counter with various settings, including reset values, alerts, and visual themes. Export your counting data and utilize built-in tools like a calculator and scoreboard.
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.
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 any count with intuitive gesture controls. Perfect for scorekeeping, habit tracking, or monitoring event attendance. Offers customizable feedback and widget support for quick updates.
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.
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.
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 counts with a simple interface. Increment, decrement, and reset values with tactile feedback. Also includes timer functionality with detailed statistics for performance tracking.
This application allows users to easily track and manage counts with intuitive tap controls. Customize your counting experience with options to increase, decrease, edit, and reset values, all presented with a clean and user-friendly interface.
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.
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.