250+ iOS apps curated and reviewed
Looking for free hertz meter apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (3) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (160K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (340) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.7★ (54K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.5★ (3K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.6★ (36) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 8 |  | Free | — | Yes | No | Aug 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 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.
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.
Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.
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.
Transform your device into a professional sound level meter to detect harmful noises and protect your hearing. It also allows you to test and track your stereo and hearing performance with detailed history management. The app offers accurate measurements and a quick hearing test.
This audio utility app allows users to test sound frequencies, analyze speaker output, and generate high-intensity audio waves. It offers tools for visualizing sound levels, playing specific frequencies, and testing stereo speaker balance. Designed for audio enthusiasts and curious users, it provides a powerful yet intuitive toolkit.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
This app provides real-time decibel readings, sound level monitoring, and voice-activated noise recording. It allows users to document noise levels with video evidence, including decibel watermarks and timestamps, all processed on-device for privacy.
