# DelayTool: BPM Calculator

> BPM calculator for musical timing, delays, and oscillators. (iPhone/iPad app by Joel Perry.)

- Source: https://appshunter.io/ios/app/delaytool-bpm-calculator/id982070192 (this page in markdown: same URL + `.md`)
- Developer: [Joel Perry](https://appshunter.io/developer/972887837)
- Category: Music, Utilities
- Price: $0.99
- Rating: 5.00/5 from 4 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 26.0 · 2 MB
- Languages: English
- Released: 2015-04-13
- Data updated: 2026-08-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/delaytool-bpm-calculator/id982070192/reviews.md

## What is DelayTool?

DelayTool is a simple BPM calculator for producers, engineers, and musicians. Enter or tap the tempo and watch the table of values update automagically. For each common musical subdivision, you will see times (in milliseconds and Hertz) for the current tempo. Just what you need to precisely set up delays and oscillators!

## Key features

- BPM calculator
- Tempo input and tap tempo
- Automatic table updates
- Calculates milliseconds and Hertz
- Supports common musical subdivisions
- Precise delay and oscillator setup

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/delaytool-bpm-calculator/id982070192/reviews.md

### 5/5 — Perfect

*2022-02-04, version 1.0.1*

Simple and affordable app that has all the features I needed to tap out a tempo and see both BPM and various measurements in milliseconds.

### 5/5 — A+

*2019-10-22, version 1.0.1*

Great app!

## Frequently asked questions about DelayTool

### What is DelayTool used for?

DelayTool is a BPM calculator designed for producers, engineers, and musicians. It helps users precisely set up delays and oscillators by providing timing values in milliseconds and Hertz for various musical subdivisions based on a given tempo.

### How do I enter the tempo in DelayTool?

You can either manually enter the tempo into the application or use the tap tempo feature. Once the tempo is set, the table of values will update automatically.

### What kind of timing information does DelayTool provide?

For each common musical subdivision at the current tempo, DelayTool displays the corresponding time in milliseconds and Hertz. This is crucial for accurate synchronization of audio effects.

### Is DelayTool available on Android devices?

Based on the provided information, DelayTool is available for iPhone, iPad, and iPod. Platform compatibility for Android is not specified.

### When was DelayTool last updated?

The latest version of DelayTool was released on December 19, 2022. This indicates the app is actively maintained by the developer.

### What is the price of DelayTool?

DelayTool is a paid application and costs $0.99. There are no in-app purchases or advertisements mentioned.

### Does DelayTool have ads?

No, DelayTool does not contain advertisements. The application is ad-free, providing an uninterrupted user experience.

### What is the age rating for DelayTool?

DelayTool has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals interested in music production.

## Version history (last 4 releases)

### 1.5.0 — 2026-05-23

A long overdue UI update. Hello Liquid Glass!

### 1.2.1 — 2022-12-19

- Updated list layout for better accessibility
- Fixed some bugs

### 1.2.0 — 2022-11-10

Still works the same, just modernized the User Interface!

### 1.0.1 — 2015-04-13

This app has been updated by Apple to display the Apple Watch app icon.

## Apps similar to DelayTool

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [MultiMetronome](https://appshunter.io/ios/app/multimetronome/id6476049899) | — | $0.99 | Music |
| [Beat Doctor](https://appshunter.io/ios/app/beat-doctor/id1046595763) | — | $0.99 | Music |
| [Haptic Metronom](https://appshunter.io/ios/app/haptic-metronom/id6450217797) | 3.7 (3) | Free | Music |
| [MusicMath](https://appshunter.io/ios/app/musicmath/id381525762) | 4.3 (12) | $9.99 | Music |
| [BPM Helper](https://appshunter.io/ios/app/bpm-helper/id6461267194) | 5.0 (5) | Free | Music |

## More apps by Joel Perry

- [goRPN](https://appshunter.io/ios/app/gorpn/id1212060693)

All apps by Joel Perry: https://appshunter.io/developer/972887837

## Related topics

[simple reverb calculator](https://appshunter.io/ios/topics/simple-reverb-calculator) · [delay calculator](https://appshunter.io/ios/topics/delay-calculator)

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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 2026-08-10.*