# Quaver

> Musical calculator for engineers and composers, aiding synchronization and scale analysis. (iPhone/iPad app by Mara Flint.)

- Source: https://appshunter.io/ios/app/quaver/id519402007 (this page in markdown: same URL + `.md`)
- Developer: [Mara Flint](https://appshunter.io/developer/506089598)
- Category: Music
- Price: $0.99
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 3 MB
- Languages: American English
- Released: 2012-04-21
- Data updated: 2026-08-28
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/quaver/id519402007/reviews.md

## What is Quaver?

Quaver is a musical calculator and look-up tool for recording engineers and composers.  It can calculate the delay times and oscillator frequencies that match a given tempo to help keep things in sync.  Its pitch tool can tell you the fundamental frequency of any note in the MIDI range - or perform the reverse calculation.  Finally, the scale tool can tell you the notes that make up a given scale and draw the key signature.

## Key features

- Tempo-based delay time calculation
- Oscillator frequency matching
- Note to fundamental frequency conversion
- Scale note identification
- Key signature visualization


## Frequently asked questions about Quaver

### What is Quaver used for?

Quaver is a musical calculator designed for recording engineers and composers. It helps synchronize audio by calculating delay times and oscillator frequencies based on tempo, and can also identify note frequencies and construct scales.

### What devices does Quaver support?

Quaver is available for iPhone, iPad, and iPod devices.

### How much does Quaver cost?

Quaver is a paid application priced at $0.99.

### What is the age rating for Quaver?

Quaver has an age rating of 4+, making it suitable for a wide range of users.

### When was Quaver last updated?

The latest version of Quaver was updated on December 28, 2025, indicating active development and support.

### Does Quaver have ads?

No, Quaver does not contain advertisements, offering an uninterrupted user experience.

### What musical calculations can Quaver perform?

Quaver can calculate delay times and oscillator frequencies to match a given tempo, determine the fundamental frequency of any MIDI note, and identify the notes within a specified scale, along with its key signature.

### What is the user sentiment for Quaver based on reviews?

Based on the available data, Quaver has a rating of 4.0 stars from 1 rating, suggesting a generally positive user experience.

## Version history (last 5 releases)

### 1.7 — 2025-12-28

This update primarily modernises the codebase under the hood. There are also some minor improvements to the interface.

### 1.6 — 2024-04-30

Quaver now supports many less common scales.
Improvements to the internal synthesiser.
In the iOS version, you can now play scales in the Scales tab.

### 1.5.4 — 2023-01-26

iOS 12 is now the minimum version.
This version includes a number of minor interface improvements and other tweaks.

### 1.5.3 — 2020-04-10

Many minor updates and improvements.

### 1.5.2 — 2019-10-07

Fix for compatibility with iOS 13.

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## More apps by Mara Flint

- [BitSafe](https://appshunter.io/ios/app/bitsafe/id581217034)
- [Chordex](https://appshunter.io/ios/app/chordex/id605797357)
- [StorageCalculator](https://appshunter.io/ios/app/storagecalculator/id1296649245)

All apps by Mara Flint: https://appshunter.io/developer/506089598

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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 2026-08-28.*