DTMFdec vs Dialer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DTMFdec
This utility decodes DTMF tones, even in noisy conditions. It stores decoded numbers for easy actions like dialing, creating contacts, or copying to your clipboard for further lookup.
- Sensitive DTMF tone decoding
- Adapts to noisy environments
- Stores decoded numbers
- Dial number directly
- Create new contact
- Add number to existing contact
- Copy to pasteboard
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DTMFdec is a highly sensitive DTMF-tone decoder which dynamically adapts to noisy or quiet environments. Decoded numbers are stored in a list, from where you can perform actions like: • dial number • new contact with number • add number to existing contact • copy to pasteboard Especially the "copy to pasteboard" feature is useful when you want to lookup the number in your local phone directory or just google for it. DTMFdec is able to decode the following digits: 1234567890*#ABCD Watch a demo video on the web site https://dtmfdecoder.app/demo/
Dialer
This app generates DTMF tones for interacting with landline phone systems and other devices that use these tones. It allows users to play tones directly from their device's speaker and offers features like saving favorite sequences.
- Generate DTMF tones
- Use with POTS and landline phones
- Save favorite tone sequences
- Adjustable volume
- Unlock expanded DTMF tones (Pro)
- Unlimited favorites (Pro)
- Customize tone and pause length (Pro)
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Dialer works with any Plain Old Telephone System (POTS) that accepts Dual tone multi-frequency (DTMF) tones such as a standard landline phone system. To use Dialer, you hold your phone's speaker up to a telephone handset or microphone and play the tone by pressing a button or by selecting one of your saved favorites. Store up to five favorites in the free version for easy dialing, such as calling cards, teleconference numbers, or complicated phone tree's. Commas act as pauses during the dialing tone sequence to allow time for prompts and other delays. Simply hold up your iPhone speaker to the landline telephone's microphone or handset and press dial. Some other devices also use DTMF tones to configure, Dialer is great for these as well. Volume is controlled by your devices volume buttons, so you can easily turn it up or down for just the right volume of your tones. Unlock Dialer Pro features such as unlimited favorites, and the ability to set the dial tone length and pause length (for commas). **Please note that some Voice over IP (VOIP) systems can have trouble recognizing the tones, for those systems try a longer key press allowing enough time for the system to register the tone. Purchase the optional upgrade to unlock these features: - Dial with precision: Unlock the power of four additional expanded DTMF tones – A, B, C, and D. Whether you're interacting with automated systems, entering passwords, or accessing exclusive services, Dialer Pro has got you covered. - Save your favorites effortlessly: With Dialer Pro, you can save an unlimited number of favorites directly from the main dialer screen, ensuring quick and easy access whenever you need it. - Customize your dialing experience: Take control over tone length and pause time when dialing your favorites. Tailor your settings to match your unique requirements, ensuring seamless compatibility with any phone system. ACCESSIBILITY FEATURES: Dialer is now fully accessible with comprehensive VoiceOver support: • Complete screen reader compatibility for blind and visually impaired users • Custom accessibility actions for DTMF tone testing via swipe gestures • Configurable VoiceOver delay timing for optimal audio experience • Clear button labels and navigation hints throughout the app • Accessible favorites management and editing Download Dialer today and make your dialing experience smarter, faster, and more enjoyable.
Screenshots
Verdict
The clearest difference is price: Dialer at Free against DTMFdec's $2.99. Dialer also leads on rating (3.9 vs 3.4) and review sentiment (57% vs 33%). DTMFdec's advantage is in-app purchases (none vs 1) and iOS requirement (12.4 vs 18.0). On ads 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
Dialer is free to download; DTMFdec costs $2.99 up front. Dialer sells 1 one-off in-app purchase. DTMFdec asks for nothing beyond the download.
Dialer holds the better App Store score, 3.9 against 3.4. That said, the two scores are not equally well evidenced: Dialer has 74 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 33% of DTMFdec's written reviews are positive against 57% of Dialer's.
DTMFdec ships an update every 25 months, Dialer every 5 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.
| Parameter | DTMFdec | Dialer |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.4 (5 ratings) | 3.9 (74 ratings) — better |
| Positive reviews | 33.3% of reviews | 57.1% of reviews — better |
| Number of ratings | 5 | 74 — better |
| Update frequency | Every 25 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jérémie Blaser | Emmanuel Tsouris |
Customer experience
DTMFdec
Dialer
In-app purchases
DTMFdec
No in-app purchases
Dialer
- Pro Upgrade$4.99








