# DTMF Decoder vs Drone Scanner (gen.2)

The clearest difference is price: Drone Scanner (gen.2) at Free against DTMF Decoder's $0.99. Drone Scanner (gen.2) also leads on update cadence (every 5 weeks vs every 19 months). DTMF Decoder's advantage is rating (2.5 vs 1.9) and review sentiment (40% vs 25%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Drone Scanner (gen.2) is free to download; DTMF Decoder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DTMF Decoder holds the better App Store score, 2.5 against 1.9. Both are backed by a comparable volume of ratings — 17 and 11 respectively. Written reviews point the same way: 40% of DTMF Decoder's written reviews are positive against 25% of Drone Scanner (gen.2)'s.

DTMF Decoder ships an update every 19 months, Drone Scanner (gen.2) every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DTMF Decoder | Drone Scanner (gen.2) |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.5 (17 ratings)](https://appshunter.io/ios/app/dtmf-decoder/id306195275/reviews)** | [1.9 (11 ratings)](https://appshunter.io/ios/app/drone-scanner-gen2/id6742736434/reviews) |
| Number of ratings | **17** | 11 |
| Positive reviews | **40.4% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 52 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) | [Dronetag](https://appshunter.io/developer/1527565212) |

## 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

**What reviewers like**

- 👍 Works as advertised (for some)
- 👍 Handy for professionals
- 👍 Useful for troubleshooting
- 👍 Good value for money (for some)
- 👍 Can pick up speed dial tones

**What reviewers complain about**

- 🐛 Too many "double digits" / errors
- 🐛 Doesn't work well
- 🐛 Never displays anything
- 🐛 Nothing would get it to work
- 🐛 Piece of crap doesn’t work

**Reported bugs**

- Too many "double digits"
- Generates errors
- Phonal Tonal generates random (phantom) numbers
- Never displays anything
- Nothing would get the app to work

**Requested features**

- Buffering for DTMF better
- Ability to get this work with new iPhone update
- History feature
- Decode hex
- Ability to decode faster (shorter) tones


### Drone Scanner (gen.2)

[App page](https://appshunter.io/ios/app/drone-scanner-gen2/id6742736434)

Transform your iPhone into a real-time drone detection tool. See nearby drones, monitor their activity, and gain visibility into the skies. Enhance detection range with an optional dedicated hardware detector.

**Highlights:** Real-time drone detection, Monitor drone activity, Display pilot location, Map and list view, Supports Bluetooth and Wi-Fi scanning, Compatible with Remote ID regulations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DTMF Decoder free?

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

### Is Drone Scanner (gen.2) free?

Drone Scanner (gen.2) is free to download, with no in-app purchases.

### Which has better reviews, DTMF Decoder or Drone Scanner (gen.2)?

DTMF Decoder is rated higher. DTMF Decoder averages 2.5 out of 5 from 17 ratings, while Drone Scanner (gen.2) averages 1.9 from 11 ratings.

### Do DTMF Decoder or Drone Scanner (gen.2) have ads?

Neither DTMF Decoder nor Drone Scanner (gen.2) shows ads.

### Which is updated more often, DTMF Decoder or Drone Scanner (gen.2)?

DTMF Decoder ships an update every 19 months, and Drone Scanner (gen.2) every 5 weeks. Most recently, DTMF Decoder was updated on October 27, 2026 and Drone Scanner (gen.2) on October 24, 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.*