250+ iOS apps curated and reviewed
Looking for free hz frequency measure 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 | 4.0★ (4) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (54K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.5★ (155) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (3K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.6★ (161K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (340) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.4★ (8) | No | No | Jul 2026 |
| 8 |  | Free was $2.99 | 5.0★ (3) | No | Yes | 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.
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.
Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.
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 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.
Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.
This app provides precise noise measurement with a real-time decibel gauge and a frequency analyzer for detailed acoustic analysis. It tracks minimum, average, and maximum levels, offering historical graphs for sound fluctuations. Ideal for professionals and enthusiasts needing accurate sound monitoring.
Generate precise audio tones for sleep, focus, and relaxation. Explore a wide frequency range, shape waveforms, and access presets like Solfeggio frequencies. An optional Pro upgrade unlocks all features.
Instantly discover the tuning frequency of music around you. This app uses song recognition and advanced analysis to reveal if a track is tuned to standard concert pitch or other frequencies, offering a new dimension to your listening experience.
Test the low-frequency capabilities of your speakers with precise sound frequencies. Pinpoint the lowest bass your audio system can produce, from 15Hz to 100Hz, to ensure you're not missing out on deep sounds in your music.
This app simplifies measuring glider wing frequency. Place your device on the wingtip, initiate the measurement, and gently rock the wing. The app automatically calculates and displays the resonant frequency, typically within 15 seconds and accurate to +/- 1 beat per second.