Best Delay Calc Apps

186+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated May 2026

The best delay calc apps on iPhone average 4.7★ across 186+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Delay Calc

Delay Calc#1

Delay Calc by Kevlee Software LLC

Editor's Choice
🎵 Music
4.5(6 ratings)
Free
Delay Calc screenshot 1

This musical calculator helps musicians and recording engineers find delay and modulation times based on a Beats Per Minute (BPM) value, allowing them to select various rhythmic values and get results in milliseconds or hertz. Simply enter a BPM value and choose a rhythmic value to get started with precise delay and modulation effects.

Tempus - Delay Calculator#2

Tempus - Delay Calculator by Marcos Kohler

Delay & Re-Pitch Calculator
Strong Contender
🎵 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

This tool helps musicians calculate delay times and sample re-pitch amounts by providing a tap-tempo metronome, delay time viewer, and re-pitch calculator, making it easier to work with different tempos and time signatures. Try it out to streamline your music production workflow and experiment with new sounds!

Percent Delay Calculator#3

Percent Delay Calculator by Overpass Limited

Worth Considering
🏥 Medical
5.0(5 ratings)
Free
Percent Delay Calculator screenshot 1
Percent Delay Calculator screenshot 2
Percent Delay Calculator screenshot 3

This application helps providers in early childhood special education calculate percentage delay in development to determine eligibility for services. It allows users to assess developmental delays and qualify children for services based on state-specific cut-offs, with a color-coded system based on Alaska's requirements.

More Delay Calc apps to explore

4
Reverb & Delay Calculator
Reverb & Delay Calculator
Reverb & Delay Calculator
Music production helper
Free

This music production helper quickly calculates optimal reverb and delay values based on your track's tempo, providing essential settings for a professional sound. Simply input your tempo and get instant calculations for reverb pre-delay, decay, and delay lengths to enhance your music.

🎵 Music
(1)
5
WaveCalc - sound calculator
WaveCalc - sound calculator
WaveCalc - sound calculator
by Valerie Gard
Free
🔧 Utilities
(0)
6
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

Experience a high precision calculator app that offers a user-friendly interface, supports multiple functionalities like undo, switching workspaces, Bluetooth keyboard compatibility, and more. Print and share your calculations with ease and precision for free!

🔧 Utilities
(268)
7
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

🔧 Utilities
(9.6K)
8
CALC Smart Calculator ±
CALC Smart Calculator ±
CALC Smart Calculator ±
Basic « Scientific » Advanced
Free
$5.99 | 100% OFF

Try CALC Smart Calculator ± for a versatile and reliable calculating tool. From basic to advanced functions, it's trusted by scientists, professionals, and students. See why it’s Apple-Featured in Utilities and Calculate categories now!

🔧 Utilities
(2.4K)
9
Calculator X: Math for iPad
Calculator X: Math for iPad
Calculator X: Math for iPad
Smart History, Plus Scientific
Free

Enhance your productivity with a free calculator app for iPad, iPhone, and Apple Watch. Download now to enjoy advanced features and join a community of satisfied users.

💰 Finance
(6.2K)
10
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
11
Calculator Smart
Calculator Smart
Calculator Smart
Scientific & Standard Calc
Free

Stay ahead with accurate calculations using Calculator Smart. Easily perform simple or complex computations on your iPhone, Apple Watch, or iPad. Download now for free and experience its stunning interface, standard and scientific modes, with over 30 scientific operations.

🔧 Utilities
(492)
12
CalcMadeEasy
CalcMadeEasy
CalcMadeEasy
Scientific Calc with Auto Note
Free

Experience the best iOS calculator with a fully functional Scientific Calculator and Notepad featuring Auto Notes. Choose from Basic or Default layouts, enjoy Multitasking on iPad, and enhance your experience with additional packages like Finance and Units Converter. Say goodbye to other calculators and give it a try today!

🔧 Utilities
(330)
13
Calc
Calc
Calc
by Mike Wesemann
Free

Experience the ultimate tape calculator with a unique interface for all your calculation needs! From basic math to advanced scientific functions, currency and unit conversions, and 10 vibrant color themes - make calculations easier and more fun. Download now for your iPhone and iPad!

🔧 Utilities
(28)
14
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)
15
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

Experience the ultimate mobile calculator with 10 powerful calculators and financial worksheets, trusted by millions worldwide for its unrivaled accuracy and advanced features. From standard and scientific calculators to unit converters and graphing tools, this app has it all. Get it now for advanced calculations at your fingertips!

🔧 Utilities
(4.6K)
16
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
Hours Minutes Calculator Lite
by Quackstro
Free

This application helps users calculate hours and minutes quickly and competently. Whether for work, study, or personal use, it simplifies time calculations. Try it now for a hassle-free approach to managing your time effectively!

🔧 Utilities
(2.9K)
17
Time Delay calculator
Time Delay calculator
Time Delay calculator
by Hideaki Uchikoshi
Free
🔧 Utilities
(0)
18
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.

🔧 Utilities
(404K)
19
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator app for scientists, engineers, students, and programmers with features like RPN mode, multi-line display, unit conversions, constants, paper tape, undo/redo, and support for various calculation formats. Also available on Apple Watch for convenient wrist calculations. Try it now!

🔧 Utilities
(758)
20
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free calculator app with HD graphics and multitasking support. Features general math operations, memory functions, thousands separators, and multilingual UI. Try it for quick and easy calculations on the go!

🔧 Utilities
(3.1K)

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