250+ iOS apps curated and reviewed
Out of 250+ dtmf decoder apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 2.5★ (17) | No | No | Aug 2026 | |
| 2 |  | Free | 5.0★ (7) | Yes | No | Sep 2026 | |
| 3 |  | Free | 1.9★ (9) | No | No | Sep 2026 | |
| 4 |  | Free | 4.5★ (13) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 1.0★ (5) | No | No | May 2026 | |
| 6 |  | $2.99 | 3.4★ (5) | No | No | Jul 2026 | |
| 7 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (3) | No | No | May 2026 |
This utility transforms your iPhone into a DTMF tone decoder. It listens to DTMF tones through the microphone and displays the dialed numbers. Decoded digits can be easily copied to the clipboard for further use.
This application decodes Morse code from your microphone, acting as a practice tool to verify your keying accuracy. It offers advanced features like BPF and FFT decoders with automatic frequency and gain control, allowing for fine-tuning of reception parameters.
Learn to identify the unique tones associated with dialing phone numbers. This application helps users understand the distinct beeps that correspond to each digit on a keypad.
