# iHz440

> A simple sine wave generator for musical tuning and frequency generation. (iPhone/iPad app by Twipout.)

- Source: https://appshunter.io/ios/app/ihz440/id833041911 (this page in markdown: same URL + `.md`)
- Developer: [Twipout](https://appshunter.io/developer/292405966)
- Category: Music, Entertainment
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.1 · 2 MB
- Languages: American English, Arabic, French (France), German (Germany), Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2014-03-23
- Data updated: 2026-11-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ihz440/id833041911/reviews.md

## What is iHz440?

This app plays a pure sine wave form of the standard for tuning:  A440 Hz.  The application also allows the user to select other frequencies to play.

## Key features

- A440 Hz sine wave generation
- Custom frequency selection
- Pure sine wave tones
- Instrument tuning aid

## Is iHz440 safe?

Not enough ratings yet to assess iHz440.

## Is iHz440 legit?

iHz440 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for iHz440 is 73 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ihz440/id833041911/reviews.md

### 5/5 — Greatest app of all time.

*2015-03-14*

440hz.  It's that simple.

## Frequently asked questions about iHz440

### What is the primary function of iHz440?

iHz440's main purpose is to play a pure sine wave at the standard A440 Hz frequency, which is commonly used for tuning musical instruments.

### Can I play frequencies other than A440 Hz with iHz440?

Yes, the application allows users to select and play other custom frequencies in addition to the standard A440 Hz tone.

### What devices is iHz440 compatible with?

iHz440 is designed for Apple devices and is supported on iPhone, iPad, and iPod.

### How much does iHz440 cost?

iHz440 is a paid application and is available for purchase at $0.99.

### Is iHz440 suitable for children?

The app has an age rating of 4+, indicating it is suitable for young users and contains no inappropriate content.

### How often is iHz440 updated?

The app was last updated on March 9, 2016, with version 1.1. It was initially released on March 23, 2014.

### Does iHz440 have ads?

No, iHz440 does not contain advertisements, providing an uninterrupted user experience.

### What is the user feedback on iHz440?

Based on the available data, iHz440 has received a perfect 5.0-star rating from one user review, suggesting a highly positive reception.

## Version history (last 2 releases)

### 1.1 — 2016-03-09

Bug fixes and better support for newer iOS devices.

### 1.0 — 2014-03-22

No release notes.

## Related topics

[hz frequency tuner](https://appshunter.io/ios/topics/hz-frequency-tuner)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-01.*