SDR vs DTMF Dialer Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDR
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.
- Remote transceiver operation
- All mode control
- Auto logging logbook
- Integrated FT8/FT4 tool
- Integrated SSTV receiver
- Integrated CW decoder and keyer
- DX-Cluster integration
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Software Defined Radio Client for Icom Transceivers and your iPhone SDR-Control Mobile is a full featured iPhone App to operate your Icom Transceiver at home or from around the world without additional Hard- or Software. Important: This App requires one of the following Icom Transceivers: IC-705, IC-7610, IC-9700, IC-7760 or the IC-R8600 Receiver or the new IC-7300 MK2 FACTS AND FEATURES: ■ Native iOS 26 app, backward compatible to iOS 17 ■ Compatible with any iPhone ■ Complete operation of your Icom Transceiver in all modes ■ Use the App local or to remote access of your Transceiver from any place without additional Hard- or Software ■ Logbook with auto logging, ADIF Im-/Export ■ UDP Log submission when using external logging software ■ Integrated full featured FT8 / FT4 Tool ■ Integrated SSTV receiver (NEW) ■ Integrated CW Decoder ■ Integrated CW Keyer ■ DX-Cluster integration ■ Call sign lookup integrated ■ Displays Calls on Map with heading and distance information ■ And much more... WHAT YOU NEED: - An Icom IC-705, IC-7610, IC-9700 or IC-7760 Transceiver or IC-R8600 Receiver or the new IC-7300 MK2 - The Transceiver needs to be connected to your Network (WiFi or LAN) - No USB cable needed or supported - An iPhone that runs at least iOS 17 Find out more here: https://ham-radio-apps.com Read the Manual: http://go-to.me/sdrcontrol-mobile-manual
DTMF Dialer Tool
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.
- Modern DTMF keypad
- Karaoke-style playback
- Favorites management
- Pause support
- Reliable tone generation
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Effortlessly dial, test, and manage phone numbers with DTMF tones—perfect for telephony professionals, ham radio operators, and anyone who needs reliable tone dialing! Note: This app does not call. It only produces DTMF tones which may be used to control a call. Features: - Modern DTMF Keypad: Tap or hold to generate accurate DTMF tones for any number, including special characters and pauses. - Karaoke-Style Playback: Watch each digit highlight as it plays, making it easy to follow along and verify sequences. - Favorites Management: Save, name, and organize your most-used numbers for quick access. Edit or delete favorites anytime. - Pause Support: Insert pauses (",") for complex dialing sequences. - Reliable Tone Generation: Uses precise DTMF frequencies for compatibility with phone systems, PBXs, and radio repeaters. DTMF Dialer Pro (one-time purchase): - Unlimited favorites (3 favorites free; Pro unlocks unlimited) - A–D tones for the full 16-key DTMF pad - Custom tone length and pause timing - Export favorites as CSV - Remove ads Perfect For: - Accessing voicemail, conference bridges, or automated phone systems - Testing and troubleshooting telephony equipment - Amateur radio (ham) operators - Anyone needing a fast, accurate DTMF dialer Why Choose DTMF Dialer Tool? - Intuitive, modern design - Lightning-fast and accurate tone playback - Powerful favorites and editing features Download DTMF Dialer Tool today and make dialing smarter, faster, and easier!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SDR | DTMF Dialer Tool |
|---|---|---|
| Price | $44.99 | Free — better |
| Rating | 4.5 (64 ratings) | 4.5 (13 ratings) |
| Positive reviews | 84.1% of reviews | — |
| Number of ratings | 64 — better | 13 |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 47 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcus Roskosch | Kevin Tang |
Customer experience
SDR
DTMF Dialer Tool
Bugs and requests
SDR
Reported bugs
12 issues- 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
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- Function button for horizontal scrolling not fully displayed
- FT8 decode is useless and unreliable
- Messed up radio, requiring reset
- RX audio unusable outside home network (prior to 1.5.1)
- Struggles with audio RX packets on remote cellular networks
- Cannot work over mobile data with certain carriers (EE)
- FT8 alerts sound but don't display
Requested features
14 requests- Develop for IC-7800
- CarPlay support
- Apple Watch add-on
- Windows version
- JS8call support
Show 9 moreShow fewer
- More digital modes
- Display memory bank names
- Initiate memory scan from app
- WSPR implementation
- Tool for WSPR
- More FT8/FT4 features (e.g., setting transmit frequency directly in FT8 view)
- Send image to unit
- KISS TNC support
- Control digital modes (reflectors, etc.)
DTMF Dialer Tool
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SDR
No in-app purchases
DTMF Dialer Tool
- DTMF Dialer Pro$4.99









