250+ iOS apps curated and reviewed
Looking for free frequency analyzer free 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 | 4.6★ (1K) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | — | No | No | Aug 2026 | |
| 3 |  | Free | 4.7★ (340) | Yes | No | Sep 2026 | |
| 4 |  | Free | 4.5★ (17) | No | Yes | Sep 2026 | |
| 5 |  | Free | 4.7★ (54K) | No | Yes | Sep 2026 | |
| 6 |  | Free | — | No | No | Sep 2026 | |
| 7 |  | Free | 4.4★ (238) | No | Yes | Sep 2026 | |
| 8 |  | Free | — | No | Yes | Jun 2026 |
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.
