This professional mechanical design tool helps engineers and enthusiasts calculate and optimize various gear parameters. It offers accurate calculations for different gear types, custom parameter input, and real-time design previews.


9+ similar apps compared and reviewed
Whether you want more options like Gear Lab Pro or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.


This professional mechanical design tool helps engineers and enthusiasts calculate and optimize various gear parameters. It offers accurate calculations for different gear types, custom parameter input, and real-time design previews.



This tool assists watchmakers in diagnosing issues within watch gear trains. By inputting tooth counts and movement details, it calculates turn times, tooth passage, and other metrics to pinpoint the source of amplitude irregularities shown on a TimeGrapher trace.





Easily find spare parts for trucks, buses, and earthmoving machines. Search by OEM or Euroricambi code to discover over 9,000 interchangeable parts for major vehicle manufacturers.