# Violin Level vs DTMF Dialer Tool

The clearest difference is in-app purchases: Violin Level at none against DTMF Dialer Tool's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DTMF Dialer Tool sells 1 one-off in-app purchase. Violin Level asks for nothing beyond the download.

Violin Level ships an update every 2 weeks, DTMF Dialer Tool every 10 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Violin Level | DTMF Dialer Tool |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Ad-supported |
| Size | 36 MB | 5 MB |
| Requires iOS | 15.8.3 | **15.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Kevin Tang](https://appshunter.io/developer/1780758221) |

## What reviewers say

### Violin Level

[App page](https://appshunter.io/ios/app/violin-level/id6748533104)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Violin Level free?

Violin Level is free to download, with no in-app purchases.

### Is DTMF Dialer Tool free?

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

### Do Violin Level or DTMF Dialer Tool have ads?

Both Violin Level and DTMF Dialer Tool show ads.

### Which is updated more often, Violin Level or DTMF Dialer Tool?

Violin Level ships an update every 2 weeks, and DTMF Dialer Tool every 10 days. Most recently, Violin Level was updated on November 5, 2026 and DTMF Dialer Tool on October 30, 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.*