250+ iOS apps curated and reviewed
The best frequency counter apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.3★ (6) | Yes | No | Aug 2026 | |
| 2 |  | Free | 4.8★ (14K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.7★ (5.2K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free was $10.99 | 4.6★ (1K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | 4.7★ (340) | Yes | No | Sep 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | Free | 4.8★ (39) | Yes | Yes | Sep 2026 |
This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.
This digital tally counter app allows you to create and manage an unlimited number of counters. Customize each counter with unique names and colors, and adjust the increment/decrement step size. It offers optional sound feedback and detailed logging for each count.
This application serves as a digital tally counter, offering a simple and reliable way to track multiple counts. It features customizable styles, alerts, and sounds to personalize your counting experience.
