Apps Like Clockwork - Watch App for iPhone and iPad
Measure accuracy and sync time
Measure accuracy using image-based analysis. Store details, sync to atomic time, and adjust time settings. Compare measured time against precise atomic time sources.
by Appfred AS★ 4.421 ratingsUtilitiesFreeData updated 2026-09-06
Synchronizes with an atomic clock to compare time with real time. Users tap a button when their matches the 's time. The records differences, displays graphs, and calculates seconds gained or lost per day using -fit analysis.
Display current in correct format with analog clock and adjustable zones. Choose from multiple NTP servers or add custom ones. Switch between local and UTC , 12-hour and 24-hour formats.
Fetches accurate time from an server. Automatically detects and adjusts to your time zone. Allows users to set custom images as background. Switch between digital and analogue views by swiping.
Converts zones with atomic accuracy for event scheduling. Adds events to calendars with a tap. Displays interactive widgets showing current local times. Tracks differences and alerts for upcoming meetings.
A clock interface displays time with minute increments. Add personal notes and weather information. Customize the interface with icons or images. Uses minimal power due to efficient design.
Display current time with ±5 millisecond accuracy for any time zone. Convert time instantly between 7 million locations. Automatically update time zones and rules. Show sunrise, sunset, and day length. View calendar with interval calculations.
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
GPS speedometer displays real-time speed for driving, biking, or walking. Measure trip distance offline. Track altitude for planes. Switch between mph, km/h, and knots. Use Today Widget or Apple Watch. Adjust screen color and toggle mirror .
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
Track time deviations manually with reference time
Track by logging daily deviations manually. Compare time to reference time with or without a dial photo. Analyze performance over time and view detailed logs.
Track , distance, and direction with a digital and analog . Set custom distance values. Switch between portrait and landscape modes. Display in MPH, KM/H, and KNOTS. View altitude, maximum , and average with the Pro Pack.
Track accuracy with daily measurements and spot trends over time. Record seconds per day and note issues like magnetism. Add and manage watches through a guided form. Edit or remove entries and unlock unlimited tracking with an in- purchase.
Measure sound levels using dBA and dBC scales. Detect levels accurately with pre-calibrated sensors. Log and analyze data. Set sound level alerts. Export measurements for review.