# DTMF Decoder vs HamAlert

The clearest difference is price: HamAlert at Free against DTMF Decoder's $0.99. HamAlert also leads on rating (4.1 vs 2.5) and review sentiment (70% vs 40%). DTMF Decoder's advantage is iOS requirement (11.0 vs 15.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

HamAlert is free to download; DTMF Decoder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HamAlert holds the better App Store score, 4.1 against 2.5. Both are backed by a comparable volume of ratings — 17 and 33 respectively. Written reviews point the same way: 40% of DTMF Decoder's written reviews are positive against 70% of HamAlert's.

DTMF Decoder ships an update every 19 months, HamAlert every 5 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | DTMF Decoder | HamAlert |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.5 (17 ratings)](https://appshunter.io/ios/app/dtmf-decoder/id306195275/reviews) | **[4.1 (33 ratings)](https://appshunter.io/ios/app/hamalert/id1200759798/reviews)** |
| Number of ratings | 17 | **33** |
| Positive reviews | 40.4% of reviews | **70.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [dreadtech.com](https://appshunter.io/developer/306195278) | [Manuel Kasper](https://appshunter.io/developer/1200759797) |

## What reviewers say

### DTMF Decoder

[App page](https://appshunter.io/ios/app/dtmf-decoder/id306195275)

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.

**Highlights:** DTMF tone decoding, Microphone input, Displays dialed numbers, Copy to clipboard, Source code available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HamAlert

[App page](https://appshunter.io/ios/app/hamalert/id1200759798)

Receive instant push notifications for desired amateur radio contacts. Filter alerts by various criteria like callsign, band, mode, and location. Stay updated on DX spots from multiple sources.

**Highlights:** Push notifications for desired stations, Filter spots by DXCC, callsign, and location, Support for Reverse Beacon Network, SOTAwatch, DX cluster, PSK Reporter, Filter by band, mode, and time, Filter by spotter callsign and DXCC

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DTMF Decoder free?

DTMF Decoder costs $0.99, with no in-app purchases.

### Is HamAlert free?

HamAlert is free to download, with no in-app purchases.

### Which has better reviews, DTMF Decoder or HamAlert?

HamAlert is rated higher. DTMF Decoder averages 2.5 out of 5 from 17 ratings, while HamAlert averages 4.1 from 33 ratings.

### Do DTMF Decoder or HamAlert have ads?

Neither DTMF Decoder nor HamAlert shows ads.

### Which is updated more often, DTMF Decoder or HamAlert?

DTMF Decoder ships an update every 19 months, and HamAlert every 5 months. Most recently, DTMF Decoder was updated on October 2, 2026 and HamAlert on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*