DTMFdec vs rDialer Calling Card 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/
rDialer Calling Card Dialer
Automate your calling card or prepaid calls with this dialer. Predefine access numbers and PINs to save time dialing international numbers. Supports multiple calling cards and syncs with your contacts.
- Automated calling card dialing
- Predefined access numbers and PINs
- Syncs with phone contacts
- Multi-card support
- Pin and Pin-Less dialing modes
- Works over cellular network
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Rapidsoft Systems rDialer Calling Card(CC) Dialer is a simple calling card dialer that helps you automate your calling card or prepaid calls. Feel free to call us if you run into any problem, and we will provide necessary support. Once you have configured your local access number and Pin (optional), you don't have to remember it again. You can straight away dial the actual international number saving you time to dial. rDialerCC is supported 24x7 by a Mid Size US company. It has two modes: calling card with Pin and Pin-Less dialing. - Easy to use: Access number & pin of calling card/ access server can be predefined, users doesn't need to enter again. - Multi-card support. - The application automatically syncs with all your phones contacts. - You can dial manually or select the number directly from the contacts tab. - Works over a cellular network, no wireless or Wi-Fi data connection needed. - Attractive Dial Pad Design. - No Advertisement. - Tested with multiple operators. WHITE LABLED OPERATOR VERSION Rapidsoft systems also offers white labeled rDialerCC for VOIP operators to allow mobile users to make Pinless long distance or international calls. rDialerCC is available for service providers who can use this calling card dialer and get it integrated with their existing calling card server. These dialers use DTMF dial tone to dial out a called party number. Since these dialers don't use SIP, they can work anywhere and on any cellular network. However, these dialers use local cellular minutes of the users. We provide separate SIP dialers that are designed for VoIP network where SIP is an appropriate medium for calling. - The operator version of dialer provides selection of local access number. A list of access number can be preloaded on the phone or can be updated from a server. Feel free to call us if you run into any problem, and we will provide necessary support.
Screenshots
Verdict
The clearest difference is price: rDialer Calling Card Dialer at Free against DTMFdec's $2.99. rDialer Calling Card Dialer also leads on iOS requirement (6.0 vs 12.4). DTMFdec's advantage is rating (3.4 vs 2.5) and in-app purchases (none vs 1). On ratings volume, update cadence, 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
rDialer Calling Card Dialer is free to download; DTMFdec costs $2.99 up front. rDialer Calling Card Dialer sells 1 one-off in-app purchase. DTMFdec asks for nothing beyond the download.
DTMFdec holds the better App Store score, 3.4 against 2.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 33% of DTMFdec's written reviews are positive against 20% of rDialer Calling Card Dialer's.
DTMFdec ships an update every 25 months, rDialer Calling Card Dialer every 15 months. The most recent releases landed on August 15, 2026 and June 5, 2026 respectively.
| Parameter | DTMFdec | rDialer Calling Card Dialer |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.4 (5 ratings) — better | 2.5 (2 ratings) |
| Positive reviews | 33.3% of reviews — better | 20.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 25 months | Every 15 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Best chart rank | #195 — better | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 | 6.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jérémie Blaser | Rapidsoft Systems, Inc. |
Customer experience
DTMFdec
rDialer Calling Card Dialer
In-app purchases
DTMFdec
No in-app purchases
rDialer Calling Card Dialer
- rDialer Calling Card Dialer$3.99
Questions
Is DTMFdec free?
Is rDialer Calling Card Dialer free?
Which has better reviews, DTMFdec or rDialer Calling Card Dialer?
Do DTMFdec or rDialer Calling Card Dialer have ads?
Which is updated more often, DTMFdec or rDialer Calling Card Dialer?
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