DTMF Decoder vs ClearNode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DTMF Decoder
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.
- DTMF tone decoding
- Microphone input
- Displays dialed numbers
- Copy to clipboard
- Source code available
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Turns your iPhone into a simple DTMF decoder. Simply hold the iPhone's microphone near to a clear source of DTMF tones (telephone "Touch Tones") and it will display the numbers being dialed. The decoded digits are also placed into a text area from which you can copy them to the clipboard. See it in action here: https://www.youtube.com/watch?v=l_QD8KFCJPw Source code freely available: https://github.com/veghead/ios-dtmf-decoder
ClearNode
This app provides remote control and configuration for ClearNode devices, enabling users to manage radio parameters, connect to nodes, and monitor audio streams. It supports multiple devices and offers features like IP address display and device reboot.
- Remote node and server connection
- Radio parameter control (Tx/Rx, CTCSS, Squelch)
- Node catalog and search
- Delayed audio stream playback
- IP address detection
- Multi-device monitoring
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The ClearNode App allows you to: - Set up your ClearNode with your AllStar, Echolink and DMR credentials and settings - Configure important parameters for Asterisk and USB Audio - Connect and disconnect your ClearNode device from remote nodes and servers - Keep a catalog of the nodes you have connected to - Search the AllStar, Echolink and DMR active node lists - Control the integrated radio: Tx/Rx frequency, CTCSS codes, Squelch, Volume, Emphasis, High Pass and Low Pass, bandwidth - Power down or reboot your ClearNode Device - Play a delayed stream (~20 sec) of the audio traffic on your ClearNode (Tx and Rx), also play the stream to your public Broadcastify account - The ClearNode App detects and displays your ClearNode's current IP Addresses - If you have multiple ClearNode devices you can monitor and control them all from a single ClearNode Mobile App This application is a support/remote control utility for ClearNode devices built by Gerry Filby/W6WNG.
Screenshots
Verdict
The clearest difference is review sentiment: ClearNode at 93% against DTMF Decoder's 39%. ClearNode also leads on price (Free vs $0.99) and rating (4.7 vs 2.5). DTMF Decoder's advantage is iOS requirement (11.0 vs 26.0). On ratings volume, ads, in-app purchases and monetization model 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
ClearNode is free to download; DTMF Decoder costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ClearNode holds the better App Store score, 4.7 against 2.5. Both are backed by a comparable volume of ratings — 17 and 33 respectively. Written reviews point the same way: 39% of DTMF Decoder's written reviews are positive against 93% of ClearNode's.
DTMF Decoder ships an update every 19 months, ClearNode every 3 weeks. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.
| Parameter | DTMF Decoder | ClearNode |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.5 (17 ratings) | 4.7 (33 ratings) — better |
| Positive reviews | 39.0% of reviews | 92.9% of reviews — better |
| Number of ratings | 17 | 33 — better |
| Update frequency | Every 19 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | dreadtech.com | Gerry Filby |
Customer experience
DTMF Decoder
ClearNode
Bugs and requests
DTMF Decoder
Reported bugs
32 issues- Too many "double digits"
- Generates errors
- Phonal Tonal generates random (phantom) numbers
- Never displays anything
- Nothing would get the app to work
Show 27 moreShow fewer
- Doesn't pick up tones
- Doesn't work
- Won't work with new iPhone update
- Doesn't detect anything
- Misses about half of the numbers
- Poor performance
- Only usable at full sensitivity, and works poorly then
- Never identified even one digit
- Unhappy with latest version
- On/off switch serves no purpose
- Decoded box works poorly
- Doesn't decode hex
- Doesn't work properly
- Only gets about half of the numbers correct
- Erkennung mangelhaft (poor recognition)
- Couldn't recognise accurately
- Only got the number 0 each time
- 使え方 (not usable)
- Doesn't work
- Not working as stated
- Barely works
- Usually nothing detected
- Only detected a couple of digits
- Misses digits when sound is too loud
- Display is too small
- Doesn't support scrolling back
- Stray false digits, especially 1's
Requested features
11 requests- Buffering for DTMF better
- Ability to get this work with new iPhone update
- History feature
- Decode hex
- Ability to decode faster (shorter) tones
Show 6 moreShow fewer
- More sensitive and flexible detection
- Translation into multiple languages
- See each decode on a separate line
- Continue decoding while app is closed (background operation)
- DTMF tone generator
- Shorten app name to "DTMF"
ClearNode
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DTMF Decoder
No in-app purchases
ClearNode
No in-app purchases
