246+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our atomic clock app list covers 246+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (5.5K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.7★ (10K) | Yes | Yes | Aug 2026 |
| 4 |  | $1.99 | 4.8★ (4.9K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.8★ (4) | No | Yes | Jun 2026 |
| 6 |  | $2.99 | — | No | No | Aug 2026 |
| 7 |  | Free | 4.5★ (1K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.5★ (5.5K) | No | Yes | Aug 2026 |
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 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 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 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.
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.
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 app offers a clean, landscape-oriented digital clock experience for your desk or nightstand. It features elegant clock skins, ambient fullscreen effects, and useful tools like a timer and stopwatch.
This app offers a selection of simple clock styles, including flip and digital designs. Users can customize various options for each clock type. It is compatible with iOS 13 and later devices.
This app transforms your iPhone or iPad into a visually appealing split-flap clock, mimicking the mechanical flip of classic station displays. Enjoy authentic animations, customizable themes, and widgets for your Home and Lock Screens, all designed with a modern aesthetic.