248+ iOS apps curated and reviewed
If you already know Frequency Analyzer, this is the deeper bench. 248+ audio frequency analyzer free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (169) | No | Yes | Oct 2026 | |
| 2 |  | Free | — | No | No | Sep 2026 | |
| 3 |  | Free | 4.6★ (1K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 3.3★ (6) | Yes | No | Oct 2026 | |
| 5 |  | Free | 4.5★ (3K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.4★ (238) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | Free | 4.5★ (17) | No | Yes | Oct 2026 |
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.
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.
