# iDiapason vs Tuning Fork A440

The clearest difference is ads: iDiapason at none against Tuning Fork A440's shown. Tuning Fork A440's advantage is update cadence (daily vs every 202 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iDiapason ships an update every 202 months, Tuning Fork A440 daily. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | iDiapason | Tuning Fork A440 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/idiapason/id325550985/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 202 months | **Daily** |
| Monetization | Free | — |
| Size | 3 MB | 38 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Punctus Multimedia](https://appshunter.io/developer/325550989) | [Walter Zanette](https://appshunter.io/developer/6801439552) |

## What reviewers say

### iDiapason

[App page](https://appshunter.io/ios/app/idiapason/id325550985)

This app provides a precise digital tuning fork for musicians and choir directors. It offers a clean interface with reference pitches and a unique shake-to-play gesture, delivering an authentic and distraction-free tuning experience.

**Highlights:** Reference pitches (435-444 Hz), Real recorded tuning fork sound, Shake-to-play interaction, Smooth audio fade-out, Visual feedback animation, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### Tuning Fork A440

[App page](https://appshunter.io/ios/app/tuning-fork-a440-diapason/id6802367902)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iDiapason free?

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

### Is Tuning Fork A440 free?

Tuning Fork A440 is free to download, with no in-app purchases.

### Do iDiapason or Tuning Fork A440 have ads?

Tuning Fork A440 shows ads; iDiapason does not.

### Which is updated more often, iDiapason or Tuning Fork A440?

iDiapason ships an update every 202 months, and Tuning Fork A440 daily. Most recently, iDiapason was updated on October 7, 2026 and Tuning Fork A440 on October 19, 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.*