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.




249+ iOS apps curated and reviewed
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.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (8) | No | No | May 2026 | |
| 2 | Free | 5.0★ (1) | Yes | Yes | Jul 2026 | |
| 3 | Free | 5.0★ (2) | Yes | Yes | Aug 2026 | |
| 4 | Free | 5.0★ (5) | No | No | May 2026 | |
| 5 | Free | 4.9★ (404K) | Yes | No | Aug 2026 | |
| 6 | Free | 4.5★ (6) | No | No | May 2026 | |
| 7 | $0.99 | 5.0★ (4) | No | No | May 2026 | |
| 8 | Free | — | No | Yes | Jul 2026 |




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.





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.


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.


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.


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.


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.




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.


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.




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.


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.




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.


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 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.


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

