# DTMF Dialer Tool vs RF Calc JP

The clearest difference is ads: RF Calc JP at none against DTMF Dialer Tool's shown. DTMF Dialer Tool's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. DTMF Dialer Tool sells 1 one-off in-app purchase and RF Calc JP sells 1 in-app purchase, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

DTMF Dialer Tool ships an update every 10 days, RF Calc JP every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DTMF Dialer Tool | RF Calc JP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/dtmf-dialer-tool/id6748663059/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 4 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Tang](https://appshunter.io/developer/1780758221) | [Hashimoto Yoshikazu](https://appshunter.io/developer/6790925881) |

## What reviewers say

### DTMF Dialer Tool

[App page](https://appshunter.io/ios/app/dtmf-dialer-tool/id6748663059)

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.

**Highlights:** Modern DTMF keypad, Karaoke-style playback, Favorites management, Pause support, Reliable tone generation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DTMF Dialer Pro | $4.99 | one-time |


### RF Calc JP

[App page](https://appshunter.io/ios/app/rf-calc-jp/id6815598081)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RF Calc JP Pro (Yearly) | $0.99 | per year |


## Frequently asked questions

### Is DTMF Dialer Tool free?

DTMF Dialer Tool is free to download, with in-app purchases available.

### Is RF Calc JP free?

RF Calc JP is free to download, with in-app purchases available.

### Do DTMF Dialer Tool or RF Calc JP have ads?

DTMF Dialer Tool shows ads; RF Calc JP does not.

### Which is updated more often, DTMF Dialer Tool or RF Calc JP?

DTMF Dialer Tool ships an update every 10 days, and RF Calc JP every 6 days. Most recently, DTMF Dialer Tool was updated on October 30, 2026 and RF Calc JP on October 31, 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.*