This app helps you determine optimal sleep and wake times to feel more rested. It calculates ideal bedtimes based on your desired sleep duration and natural sleep cycles.






214+ iOS apps curated and reviewed
With an average user rating of 4.7★, the sleepytime calculator category is one of the App Store's strongest. Browse all 214+ apps we track, sorted so the most loved ones surface first.






This app helps you determine optimal sleep and wake times to feel more rested. It calculates ideal bedtimes based on your desired sleep duration and natural sleep cycles.






This app helps you wake up feeling refreshed by tracking your sleep cycles. It calculates the optimal time to go to bed or wake up based on your sleep patterns and allows you to set an alarm for the ideal moment.






This app uses sound analysis to track sleep patterns, identify potential issues, and build healthier sleep routines. It features an AI sleep coach, a smart alarm to wake you gently, and tools to record snoring and sleep talking.


An app designed to streamline work hours calculations, helping users track their time with precision. Simplify your scheduling and stay organized effortlessly with Time Calculator⁺.


This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.


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.


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.


Easily calculate your work hours and paychecks. This app allows you to log in and out times, automatically deduct lunch breaks, and calculate overtime pay with customizable rates. Manage weekly or bi-weekly pay periods and export your timesheets.


Easily add or subtract time values including hours, minutes, and seconds. Calculate durations with days, weeks, months, and years. This tool simplifies time-based calculations for various needs.


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 app helps users fall asleep faster and improve sleep quality with a vast library of bedtime stories, guided meditations, and ambient sounds. It also features smart sleep tracking and a gentle alarm to enhance your rest and well-being.


This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.


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 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.


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.


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 powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.


This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.


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.


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.