249+ iOS apps curated and reviewed
The best frequency counter apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (6) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.8★ (13K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (5.2K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free was $10.99 | 4.6★ (1K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | Jul 2026 |
| 7 |  | Free | 4.7★ (340) | Yes | No | Aug 2026 |
| 8 |  | Free | — | No | No | 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.
Easily track and manage multiple counts with simple increment/decrement buttons. Customize counter names, colors, and increment amounts. View all counters in a grid and export data to CSV.
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.
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.
