212+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our atomic clock app list covers 212+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.
Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.
This app provides ultra-precise time by syncing with atomic time servers. It features a customizable display mimicking professional studio clocks, with advanced alarm functions and various visual themes. Designed for accuracy and usability, it's ideal for professionals and enthusiasts alike.
This app helps synchronize radio-controlled watches by simulating time signal waves. It supports various international time signal standards and offers a 'Beast Mode' for faster synchronization. Simply place your watch near your device's speaker and start the process.
This app offers a variety of clock styles including flip, digital, and analog. It features customizable alarms with music options, a world clock for multiple locations, and several user-friendly controls for brightness, touch lock, and flashlight activation.
This utility provides highly accurate time synchronization using NTP, displaying precise time with millisecond detail. It allows comparison with network time, shows sync offset and latency, and offers various clock styles with customization options. It's designed for users needing a reliable, precise reference clock.
This app provides a customizable digital clock display with alarm, timer, and stopwatch functions. It offers features like photo backgrounds, automatic unlock, and large, easy-to-read visuals, optimized for nighttime use. Premium options unlock additional themes and battery display.
This app provides a visually appealing digital flip clock with a minimalist design and customizable themes. It offers useful widgets for your home screen, a floating clock option, and integrated tools like a Pomodoro timer and white noise generator to aid focus. It can also display health data like step count.
This app offers a stylish and functional digital clock with advanced alarm and timer features. Customize its appearance, set flexible alarms with unique dismissal methods, and utilize versatile timers for workouts or productivity.
A digital clock app featuring a unique page-turning animation and customizable backgrounds. It includes white noise sounds, hourly chimes, and a timer for enhanced functionality. Personalize your display with various skins, colors, and animations.
Personalize your time with a clean and elegant digital clock. Choose from multiple themes, fonts, and activate night mode for a comfortable display. Optimized for performance and a distraction-free experience.
This app displays the time with a minimalistic design, utilizing the full screen. It offers extensive customization for time format, including 12/24 hour, leading zeros, and seconds precision. Screen brightness can be adjusted by swiping, and screen dimming can be prevented.
A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.
Calibrate your radio-controlled watch or clock using your iPhone or iPad. Simply tap 'Transmit' and place your device near your watch to automatically sync the accurate time.
This app transforms your device into a full-screen analog clock with customizable faces. It offers real-time time display, including seconds, on your home screen, lock screen, and even during charging, doubling as a screen saver. Features include smart alarms and hourly reminders.
This app provides a clear and attractive LED digital clock display. It's ideal for use on a nightstand or desk, offering customizable options for time format and visibility of weekdays and dates.
This app provides a classic digital clock widget for your device's home, lock, and standby screens. It offers features like displaying seconds, a calendar, customizable themes, and various timekeeping tools including alarms, timers, and stopwatches. It can also function as a screensaver when charging.
