Measure and track the accuracy of your mechanical watches. Toolwatch is a free watch accuracy app trusted by the watchmaking industrys leaders and 15 000+ monthly users. Find out now if your watch is accurate, it is FREE using Toolwatch mobile app.

Toolwatch - Watch accuracy app alternatives

Official US Time

Ever wanted to know the most exact of exact times? Makrr brings you the answer with the The Official U.S. Time app, powered by the NIST, USNO, and time.gov. We do not guarantee accuracy and this should not be used to establish traceability to the NIST or USNO.

  • rating 4.61538
  • size 8.2 MB

Hairspring

Hairspring turns your device into a powerful mechanical watch timing machine. It measures the precision of mechanical watches, with an accuracy of at lease 1s/day, by analyzing the tick-tock sound using the microphone of the device. A detailed usage guide can be found here: http://www.diversminds.com/Hairspring/Hairspring.php

  • rating 3.88889
  • size 7.7 MB

Watch Tuner Lite

Watch Tuner Lite measures mechanical and automatic watches accuracy. Is uses the build-in or headset microphone to record audible ticks of the clock and calculates seconds-per-day deviation. If you need frequency diagram look at Watch Tuner Timegrapher - the most sophisticated app of Watch Tuner series.

  • size 0.4 MB

Watch Tracker

Watch Tracker is a revolutionary new app for tracking the accuracy of a wristwatch. Its dramatically easier and more accurate than any previous method. It synchronizes with an atomic clock, measures and records the difference, and displays graphs of all the data points youve recorded.- Uses best-fit analysis to accurately calculate how many seconds your watch gains or loses per day- Displays graphs of rates and variance- Can track multiple watches simultaneously- Saves data in CSV files that can be opened with any spreadsheet softwareWatch Tracker is made by the developer of tChess (the chess app that was featured in Apples Learn commercial for the iPad) and Learn Chess (the Apple Staff Favorite e-book).

  • size 1.3 MB

Watch Tuner Timegrapher

Watch Tuner Timegrapher is a mechanical and automatic watch testing application. It displays the frequency diagram of the watch and measures rate, beat error, amplitude and beats per hour. If you have any questions, suggestions or any troubles using this app - dont hesitate to write me.

  • size 1.3 MB