Question 1

Which is better, Logitech MX Master 3S or Logitech MX Keys S?

Accepted Answer

Based on our testing, the Logitech MX Keys S scores higher overall at 8.9/10. The Logitech MX Master 3S scored 8.8/10 and the Logitech MX Keys S scored 8.9/10 in our Best Tech for Left-Handers 2026 evaluation.

Question 2

Is the Logitech MX Master 3S worth it over the Logitech MX Keys S?

Accepted Answer

The Logitech MX Master 3S scores 8.8/10 while the Logitech MX Keys S scores 8.9/10. The Logitech MX Master 3S is our "Best Ambidextrous Premium Mouse" pick in the Best Tech for Left-Handers 2026 category.

Logitech MX Master 3S vs Logitech MX Keys S: Which to Buy?