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.




209+ iOS apps curated and reviewed
Every iPhone needs a few good delay calculator apps. We benchmark 209+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.




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.


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.






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.


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.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


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.


A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.


This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.


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.


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.


This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.


This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.


This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.


This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.


A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.


A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.


This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.


A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.


A highly customizable calculator app offering a modern interface and powerful features. Personalize themes, button layouts, and visual elements to your preference. Track and save calculations with a detailed history, and access scientific functions when needed.


A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.