# SmartSDR™ vs DTMF Dialer Tool

The clearest difference is price: DTMF Dialer Tool at Free against SmartSDR™'s $79.99. DTMF Dialer Tool also leads on rating (4.5 vs 4.3) and iOS requirement (15.6 vs 17.6). SmartSDR™'s advantage is ads (none vs shown) and ratings volume (132 vs 13). On update cadence, in-app purchases and device support there is nothing between them.

DTMF Dialer Tool is free to download; SmartSDR™ costs $79.99 up front. SmartSDR™ sells 10 one-off in-app purchases and DTMF Dialer Tool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DTMF Dialer Tool holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: SmartSDR™ has 132 ratings behind it against 13, so its average is the more settled of the two.

SmartSDR™ ships an update every 2 weeks, DTMF Dialer Tool every 10 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SmartSDR™ | DTMF Dialer Tool |
| --- | --- | --- |
| Price | $79.99 | **Free** |
| Rating | [4.3 (132 ratings)](https://appshunter.io/ios/app/smartsdr-flexradio-systems/id1089157289/reviews) | **[4.5 (13 ratings)](https://appshunter.io/ios/app/dtmf-dialer-tool/id6748663059/reviews)** |
| Number of ratings | **132** | 13 |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 57 MB | 5 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [Kevin Tang](https://appshunter.io/developer/1780758221) |

## What reviewers say

### SmartSDR™

[App page](https://appshunter.io/ios/app/smartsdr-flexradio-systems/id1089157289)

Control your FlexRadio SDR device from your iPad or iPhone. Access nearly all features of the desktop client, including digital modes, signal analysis, and remote operation via SmartLink. Requires compatible FlexRadio hardware.

**Highlights:** FT8 and FT4 support, SSTV TX and RX, APRS TX and RX, CW Decoder and keyer, Weather Fax decoder, Slice and Panadapter management, SmartLink remote access

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Region 1,2 and 3 Band Plan | Free | one-time |
| DX-Cluster | $5.99 | one-time |
| Griffin PowerMate BT Controller support | $5.99 | one-time |
| MidiController support | $5.99 | one-time |
| Logbook Add-on | $5.99 | one-time |
| Flic 2 Button support | $5.99 | one-time |
| Voice Macros | $5.99 | one-time |
| 4O3A Genius Device support | $9.99 | one-time |
| FT8 | $19.99 | one-time |
| FlexRadio Device access | $64.99 | one-time |


### 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 SmartSDR™ free?

SmartSDR™ costs $79.99, and also offers in-app purchases.

### Is DTMF Dialer Tool free?

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

### Which has better reviews, SmartSDR™ or DTMF Dialer Tool?

DTMF Dialer Tool is rated higher. SmartSDR™ averages 4.3 out of 5 from 132 ratings, while DTMF Dialer Tool averages 4.5 from 13 ratings.

### Do SmartSDR™ or DTMF Dialer Tool have ads?

DTMF Dialer Tool shows ads; SmartSDR™ does not.

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

SmartSDR™ ships an update every 2 weeks, and DTMF Dialer Tool every 10 days. Most recently, SmartSDR™ was updated on October 29, 2026 and DTMF Dialer Tool on October 30, 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.*