# SDR vs DTMF Dialer Tool

The clearest difference is price: DTMF Dialer Tool at Free against SDR's $44.99. DTMF Dialer Tool also leads on iOS requirement (15.6 vs 17.6). SDR's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, update cadence and device support there is nothing between them.

DTMF Dialer Tool is free to download; SDR costs $44.99 up front. DTMF Dialer Tool sells 1 one-off in-app purchase. SDR asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for SDR against 4.5 for DTMF Dialer Tool. Both are backed by a comparable volume of ratings — 64 and 13 respectively.

SDR ships an update every 2 weeks, DTMF Dialer Tool every 10 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SDR | DTMF Dialer Tool |
| --- | --- | --- |
| Price | $44.99 | **Free** |
| Rating | [4.5 (64 ratings)](https://appshunter.io/ios/app/sdr-control-mobile/id1673327509/reviews) | [4.5 (13 ratings)](https://appshunter.io/ios/app/dtmf-dialer-tool/id6748663059/reviews) |
| Number of ratings | **64** | 13 |
| Positive reviews | 84.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#175** | — |
| Size | 47 MB | 5 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [Kevin Tang](https://appshunter.io/developer/1780758221) |

## What reviewers say

### SDR

[App page](https://appshunter.io/ios/app/sdr-control-mobile/id1673327509)

**Currently charting:** #175 Top Paid · Utilities (US App Store)

Control your Icom transceiver remotely or locally from your iPhone. Operate in all modes, log QSOs, and utilize integrated digital modes like FT8/FT4 and SSTV. No extra hardware is needed for global access.

**Highlights:** Remote transceiver operation, All mode control, Auto logging logbook, Integrated FT8/FT4 tool, Integrated SSTV receiver, Integrated CW decoder and keyer, DX-Cluster integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Works perfectly with ICOM radios
- 👍 Intuitive and easy to use
- 🌟 Feature-rich and comprehensive
- 💯 Stable and reliable performance
- 📱 Great for remote operation

**What reviewers complain about**

- 🐛 FT8 decoding issues (lower signal levels)
- 🐛 Dialogs do not scale with larger text setting
- 🐛 UI elements can be cramped on iPhone
- 🐛 Some buttons are small and hard to press
- 🐛 Frequency display overlaps buttons

**Reported bugs**

- Dialogs do not scale with larger text setting
- Frequency display overlaps buttons
- FT8 decoding issues (lower signal levels than WSJTX)
- App crashes and leaves radio in transmit
- Logbook export not functional after update

**Requested features**

- Develop for IC-7800
- CarPlay support
- Apple Watch add-on
- Windows version
- JS8call support


### DTMF Dialer Tool

[App page](https://appshunter.io/ios/app/dtmf-dialer-tool/id6748663059)

Generate and manage DTMF tones for dialing and testing phone numbers. Features include a modern keypad, karaoke-style playback, and favorites management for quick access to frequently used numbers. Ideal for telephony professionals and radio operators.

**Highlights:** Modern DTMF keypad, Karaoke-style playback, Favorites management, Pause support, Reliable tone generation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DTMF Dialer Pro | $4.99 | one-time |


## Frequently asked questions

### Is SDR free?

SDR costs $44.99, with no in-app purchases.

### Is DTMF Dialer Tool free?

DTMF Dialer Tool is free to download, with in-app purchases available.

### Which has better reviews, SDR or DTMF Dialer Tool?

SDR and DTMF Dialer Tool are both rated 4.5 out of 5 on the App Store, from 64 and 13 ratings respectively.

### Do SDR or DTMF Dialer Tool have ads?

DTMF Dialer Tool shows ads; SDR does not.

### Which is updated more often, SDR or DTMF Dialer Tool?

SDR ships an update every 2 weeks, and DTMF Dialer Tool every 10 days. Most recently, SDR was updated on October 15, 2026 and DTMF Dialer Tool on October 16, 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.*