# DTMFdec vs rDialer Calling Card  Dialer

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.

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.

## The numbers

| Metric | DTMFdec | rDialer Calling Card  Dialer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/dtmfdec/id363385252/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/rdialer-calling-card-dialer/id561026057/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **33.3% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 15 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#195** | — |
| Size | 1 MB | 3 MB |
| Requires iOS | 12.4 | **6.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jérémie Blaser](https://appshunter.io/developer/363385255) | [Rapidsoft Systems, Inc.](https://appshunter.io/developer/469362792) |

## What reviewers say

### DTMFdec

[App page](https://appshunter.io/ios/app/dtmfdec/id363385252)

**Currently charting:** #195 Top Paid · Utilities (US App Store)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### rDialer Calling Card  Dialer

[App page](https://appshunter.io/ios/app/rdialer-calling-card-dialer/id561026057)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| rDialer Calling Card Dialer | $3.99 | one-time |


## Frequently asked questions

### Is DTMFdec free?

DTMFdec costs $2.99, with no in-app purchases.

### Is rDialer Calling Card  Dialer free?

rDialer Calling Card  Dialer is free to download, with in-app purchases available.

### Which has better reviews, DTMFdec or rDialer Calling Card  Dialer?

DTMFdec is rated higher. DTMFdec averages 3.4 out of 5 from 5 ratings, while rDialer Calling Card  Dialer averages 2.5 from 2 ratings.

### Do DTMFdec or rDialer Calling Card  Dialer have ads?

Neither DTMFdec nor rDialer Calling Card  Dialer shows ads.

### Which is updated more often, DTMFdec or rDialer Calling Card  Dialer?

DTMFdec ships an update every 25 months, and rDialer Calling Card  Dialer every 15 months. Most recently, DTMFdec was updated on August 15, 2026 and rDialer Calling Card  Dialer on June 5, 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.*