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.






162+ iOS apps curated and reviewed
Frequency Analyzer is the household name in spectroid, but it's far from the only option. We track 162+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (169) | No | Yes | Oct 2026 | ||
| 2 | Free | 4.6★ (162K) | No | Yes | Oct 2026 | ||
| 3 | Free | 4.6★ (1K) | Yes | Yes | Oct 2026 | ||
| 4 | Free | 5.0★ (4) | No | No | Oct 2026 | ||
| 5 | Free | 4.6★ (36K) | No | Yes | Oct 2026 | ||
| 6 | Free | 5.0★ (4) | No | No | Aug 2026 | ||
| 7 | Free | — | No | No | Sep 2026 | ||
| 8 | Free | 4.4★ (238) | No | Yes | Sep 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 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.






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.