Best Delay Calculator Apps

249+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated July 2026

Every iPhone needs a few good delay calculator apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Delay Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tempus - Delay CalculatorTempus - Delay CalculatorFree5.0★ (8)NoNoMay 2026
2Reverb & Delay CalculatorReverb & Delay CalculatorFree5.0★ (1)YesYesJul 2026
3Delay & Reverb Calculator - APDelay & Reverb Calculator - APFree5.0★ (2)YesYesAug 2026
4Percent Delay CalculatorPercent Delay CalculatorFree5.0★ (5)NoNoMay 2026
5Calculator‰Calculator‰Free4.9★ (404K)YesNoAug 2026
6Delay CalcDelay CalcFree4.5★ (6)NoNoMay 2026
7DelayTool: BPM CalculatorDelayTool: BPM Calculator$0.995.0★ (4)NoNoMay 2026
8WaveCalc - sound calculatorWaveCalc - sound calculatorFreeNoYesJul 2026

Top Picks for Delay Calculator

Tempus - Delay Calculator#1

Tempus - Delay Calculator by Marcos Kohler

Delay & Re-Pitch Calculator
Editor's Choice
🎵 Music
5.0(8 ratings)
Free
Tempus - Delay Calculator screenshot 1
Tempus - Delay Calculator screenshot 2
Tempus - Delay Calculator screenshot 3
Tempus - Delay Calculator screenshot 4

Calculate delay times and sample re-pitch amounts with a tap-tempo metronome. Preview delay sounds and determine BPM changes for your DAW. This tool helps musicians fine-tune audio effects.

Reverb & Delay Calculator#2

Reverb & Delay Calculator by Quentin Hayot

Music production helper
Strong Contender
🎵 Music
5.0(1 ratings)
FreeAdsIn-App Purchases
Reverb & Delay Calculator screenshot 1
Reverb & Delay Calculator screenshot 2

This music production tool helps users find optimal reverb and delay settings. Input your track's tempo to instantly calculate values for pre-delay, decay, total length, and various delay note types. Streamline your audio mixing process with precise calculations.

Delay & Reverb Calculator - AP#3

Delay & Reverb Calculator - AP by Philipp Schumacher

Calculate delay and reverb
Worth Considering
🎵 Music
5.0(2 ratings)
FreeAdsIn-App Purchases
Delay & Reverb Calculator - AP screenshot 1
Delay & Reverb Calculator - AP screenshot 2
Delay & Reverb Calculator - AP screenshot 3
Delay & Reverb Calculator - AP screenshot 4
Delay & Reverb Calculator - AP screenshot 5

Instantly calculate precise delay and reverb times for any musical tempo. Supports all note values, including dotted and triplet variations, for perfectly synchronized audio effects. Ideal for studio producers and live musicians.

More Delay Calculator apps to explore

4
Percent Delay Calculator
Percent Delay Calculator
Percent Delay Calculator
by Overpass Limited
Free

This tool helps early childhood special education providers calculate developmental percentage delays for service eligibility. It is color-coded based on Alaska's requirements but can be used by any state.

Calculate percentage delayColor-coded for Alaska eligibilityUsable by any state
🏥 Medical
(5)
free
5
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
6
Delay Calc
Delay Calc
Delay Calc
by Kevlee Software LLC
Free

This app helps musicians and recording engineers calculate delay and modulation times based on BPM. Input your BPM and select rhythmic values to instantly get precise timings in milliseconds or hertz for your audio effects.

BPM to millisecond conversionBPM to hertz conversionRhythmic value selection
🎵 Music
(6)
free
7
DelayTool: BPM Calculator
DelayTool: BPM Calculator
DelayTool: BPM Calculator
by Joel Perry
$0.99

This application helps musicians and sound engineers calculate precise timing values for musical subdivisions. It automatically updates a table of milliseconds and Hertz based on the entered tempo, ideal for setting up delays and oscillators.

BPM calculatorTempo input and tap tempoAutomatic table updates
🎵 Music
(4)
paid
8
WaveCalc - sound calculator
WaveCalc - sound calculator
WaveCalc - sound calculator
by Valerie Gard
Free
🔧 Utilities
(0)
9
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(25K)
free with in-app purchases
10
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.2K)
free with in-app purchases
11
Time Delay calculator
Time Delay calculator
Time Delay calculator
by Hideaki Uchikoshi
Free
🔧 Utilities
(0)
12
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
13
DelayFinder
DelayFinder
DelayFinder
by Sigmagine
Free

Calculate precise audio delay times for musical instruments and effects. Input tempo or use tap tempo, then select a delay rhythm to get results in milliseconds or seconds.

Tempo inputTap tempo functionalityDelay rhythm selection
🎵 Music
(1)
free
14
Delay & LFO Calculator
Delay & LFO Calculator
Delay & LFO Calculator
by GRAHAM JOHN SMITH
$0.99
🎵 Music
(0)
15
Calculator ×
Calculator ×
Calculator ×
let's reinvent the calculator
Free

This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.

Tape Log for calculation historyReuse, copy, and share calculationsEvaluate entire formulas at once
🔧 Utilities
(144)
free with in-app purchases
16
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by 祥祎 刘
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
🔧 Utilities
(1.4K)
free
17
Delay Wiz
Delay Wiz
Delay Wiz
The Delay Calculation Wizard
$0.99
🎵 Music
(0)
18
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
19
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
by Quackstro
Free

Easily calculate the difference between two times or add/subtract durations. This utility app helps manage time calculations for various purposes.

Add time durationsSubtract time durationsCalculate time differences
🔧 Utilities
(2.9K)
ad-supported
20
Calculator : personalized Calc
Calculator : personalized Calc
Calculator : personalized Calc
Fast personalized Calculator
Free
🔧 Utilities
(0)

FAQ about Delay Calculator

What are the best delay calculator apps for iPhone?
Tempus - Delay Calculator tops our delay calculator apps ranking as of July 2026, with a 5.0-star average from 8 App Store ratings, and it's free to download.
Yes — 17 of the top delay calculator apps we rank are free to download, including Tempus - Delay Calculator and Reverb & Delay Calculator.
Tempus - Delay Calculator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 249+ delay calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Tempus is a tool designed for musicians and producers to calculate delay times and sample re-pitch amounts. It also includes a tap-tempo metronome with customizable beat counts.
Tempus is available on iPhone, iPad, and iPod devices.

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