Measure and track the accuracy of your mechanical watches. Toolwatch is a free watch accuracy app trusted by the watchmaking industry's leaders and 15 000+ monthly users. Is your watch accurate? Should it be serviced? How does it compare versus other watches? Find out now by measuring the accuracy of your watch!

Toolwatch also brings to you the best tips tailored on your watch for taking care of your watches.

"I regularly check the accuracy of my watch collection and Toolwatch is my favorite app for that." - Thomas Hulin Van Cleef & Arpels

"I had the feeling my watch was running late now I am sure thanks to Toolwatch and I could get my watch serviced for free as it was still under warranty!" - Benjamin Baudisson Vacheron Constantin

"As a watch collector knowing when to service my watch is crucial. Toolwatch helps me taking care of my mechanical watches." - Alex Ghotbi Watch Specialist- Associate Director at Phillips Watches

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Find out now if your watch is accurate it is FREE using Toolwatch mobile app.