# Delay & Reverb Calculator - AP — Calculate delay and reverb

> Calculates music effect timing for BPM, note values, and reverb presets. (iPhone/iPad app by Philipp Schumacher.)

- Source: https://appshunter.io/ios/app/delay-and-reverb-calculator-ap/id6763750215 (this page in markdown: same URL + `.md`)
- Developer: [Philipp Schumacher](https://appshunter.io/developer/1895473549)
- Category: Music, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 63 MB
- Languages: American English
- Released: 2026-05-14
- Data updated: 2026-09-11
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/delay-and-reverb-calculator-ap/id6763750215/reviews.md

## What is Delay & Reverb Calculator?

Create perfectly synchronized effects for your music — every time. Enter your track's BPM and instantly get delay and reverb times for every note value, from whole notes down to 1/512th notes, including dotted and triplet variants.

Whether you're dialing in a subtle slapback or building massive atmospheric reverbs, this app gives you the exact numbers to make your effects sit in the groove. A wide range of applications—from music production in the studio to configuring your guitar pedals for your live sets.

Core Features (Free)

- Instant delay time calculation for all note values —normal, dotted, and triplet
- Tap Tempo — just tap in the rhythm to detect your BPM automatically
- Suggestions for 4 reverb room presets: Hall, Large Room, Small Room, Tight Echo
- Switch between milliseconds, seconds and Hertz
- Clean, fast, distraction-free interface

Pro Features

Unlock the full toolkit with a Pro subscription or a one-time purchase:

- 5 additional reverb presets — Stadium, Cathedral, Medium Room, Bathroom, and Shoebox
- Custom Presets — build and save your own reverb presets with custom pre-delay and decay time values
- Time Signature Selection — shift reverb and delay calculations to 3/4, 6/8, and more, so your effects always breathe with the bar
- Remove all ads — clean, uninterrupted user interface

Pro Plans

- Monthly subscription
- Annual subscription 
- Lifetime — one-time purchase

No matter if you're a bedroom producer just getting started or a professional engineer mixing for major releases — Delay & Reverb Calculator gives you the timing precision your plugins expect.

Download now and lock your effects into the groove of your song.

## Key features

- Instant delay time calculation
- Tap Tempo BPM detection
- Reverb room presets
- Switch between milliseconds, seconds, Hertz
- Custom reverb presets (Pro)
- Time signature selection (Pro)

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Delay & Reverb Calculator PRO | $0.99 | per month |
| Delay & Reverb Calculator PRO | $6.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Delay & Reverb Calculator PRO | $12.99 | one-time |



## Frequently asked questions about Delay & Reverb Calculator

### What is the short name for Delay & Reverb Calculator - AP?

The short common name for Delay & Reverb Calculator - AP is Delay & Reverb Calculator.

### Does Delay & Reverb Calculator have ads?

Yes, Delay & Reverb Calculator contains advertisements. Users can remove ads by upgrading to the Pro version.

### What are the Pro features in Delay & Reverb Calculator?

Pro features include 5 additional reverb presets, custom preset creation with adjustable pre-delay and decay, time signature selection for calculations, and ad removal.

### How can I purchase the Pro version of Delay & Reverb Calculator?

You can unlock the Pro features with a monthly subscription, an annual subscription, or a one-time lifetime purchase.

### What devices is Delay & Reverb Calculator compatible with?

Delay & Reverb Calculator is compatible with iPhone, iPad, and iPod devices.

### What is the age rating for Delay & Reverb Calculator?

Delay & Reverb Calculator has an age rating of 4+.

### How often is Delay & Reverb Calculator updated?

The latest version of Delay & Reverb Calculator was released on May 29, 2026, indicating recent updates are provided by the developer.

### What is the user sentiment for Delay & Reverb Calculator?

Based on the available rating, users have a very positive sentiment, with the app holding a 5.0-star rating from one review.

## Version history (last 4 releases)

### 4.0.5 — 2026-05-29

Added onboarding and improved performance

### 4.0.3 — 2026-05-21

Trial reward & performance improvements

### 4.0.2 — 2026-05-15

Metadata update

### 4.0.1 — 2026-05-14

No release notes.

## Related topics

[reverb calculator](https://appshunter.io/ios/topics/reverb-calculator) · [simple reverb calculator](https://appshunter.io/ios/topics/simple-reverb-calculator) · [delay calculator](https://appshunter.io/ios/topics/delay-calculator) · [eg classicfx au3 multi effects](https://appshunter.io/ios/topics/eg-classicfx-au3-multi-effects)

---

*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 2026-09-11.*