250+ iOS apps curated and reviewed
If you already know Decibel X, this is the deeper bench. 250+ noise frequency apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (161K) | No | Yes | Sep 2026 |
| 2 |  | Free | 4.7★ (340) | Yes | No | Sep 2026 |
| 3 |  | Free | 4.6★ (36K) | No | Yes | Sep 2026 |
| 4 |  | Free | 4.5★ (4.8K) | Yes | Yes | Sep 2026 |
| 5 |  | Free | 4.5★ (37) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (21K) | Yes | Yes | Sep 2026 |
| 7 |  | Free | 4.7★ (595) | No | Yes | Sep 2026 |
| 8 |  | Free | — | Yes | Yes | Aug 2026 |
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.
Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.
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.
Measure real-time sound levels with this tool, offering A-weighting and frequency analysis. Record audio, take photos, and capture videos with embedded decibel data for evidence and safety checks. Includes a reference guide for understanding noise ranges.
This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.
Generate sound waves across a wide frequency range to test hearing limits. Explore potential uses like deterring pests or competing with friends to see who can hear higher pitches. An optional premium upgrade removes ads and unlocks additional waveform options.
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.
This app helps you document noise disturbances with detailed logs. Record sound levels, timestamps, locations, and attach media evidence for clear, chronological documentation. Ideal for neighborhood noise, construction, or event disturbances.
