247+ iOS apps curated and reviewed
Looking for free sound booster eavesdrop apps? 20 of our 247+ 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 | — | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.9★ (16) | No | Yes | Oct 2026 | |
| 3 |  | Free | 5.0★ (2) | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.4★ (117) | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.5★ (1.1K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 5.0★ (1) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 4.5★ (6) | No | Yes | Oct 2026 | |
| 8 |  | Free | — | No | Yes | Sep 2026 |
Amplify ambient sounds and bring distant voices closer in real-time using your phone's microphone and headphones. Features include environment presets, a 10-band equalizer, personal hearing calibration, and on-device live transcription. It prioritizes privacy with all processing done locally.
Enhance the volume and clarity of your imported audio files, including music, podcasts, and recordings. Features a powerful equalizer with presets for different audio types and a digital gain of up to +24 dB. Enjoy background playback with lock screen controls.
