Two Logitech premium mice compared. The MX Master 3S is full-size, the Anywhere 3S is travel-friendly.
The MX Master 3S offers superior ergonomics, the MagSpeed scroll, and gesture support for $20 more. The Anywhere 3S is only better for travel.
Buy the MX Master 3S if the mouse lives on your desk — better ergonomics, MagSpeed scroll, and gesture support justify $20 more. Buy the Anywhere 3S if you travel or want compact size; it tracks on glass and fits a bag while keeping multi-device Flow. The real question is desk versus bag.
Logitech MX Master 3S: The MX Master 3S is a full-size ergonomic shape for all-day desk use.
Logitech Anywhere 3S: The Anywhere 3S is compact — fine for travel, less ideal for 8-hour days.
When this matters: Matters for full-time desk workers.
Logitech MX Master 3S: The MX Master is too big for most bags.
Logitech Anywhere 3S: The Anywhere 3S travels and tracks on glass.
When this matters: Decides it for travelers.
Logitech MX Master 3S: The MX Master costs $99.
Logitech Anywhere 3S: The Anywhere 3S at $79 covers most needs.
When this matters: A modest $20 gap.
| Spec | Logitech MX Master 3S | Logitech Anywhere 3S |
|---|---|---|
| Price | $99 | $79 |
| DPI | 8,000 | 4,000 |
| Ergonomics | Excellent | Good |
| Scroll | MagSpeed (smart) | Standard smooth |
| Tracks on Glass | Yes | Yes |
| Travel-Friendly | Poor (bulky) | Excellent |
| Thumb Rest | Yes | No |
Desk-bound professionals who want the best ergonomics and scroll.
If you travel weekly, the MX Master is too big to haul.
Travelers and compact-desk users who need a bag-friendly mouse.
If you sit at one desk all day, the Anywhere 3S is undersized.
This comparison was built from a structured review of official product documentation, published specifications, current pricing, and feature documentation — the same methodology ToolStep describes on the /how-we-test/ page. Because we did not run these products hands-on, we do not claim testing that did not happen.
Based on official product documentation as of June 2026.
The Anywhere 3S. It is compact, lighter, and tracks on any surface including glass. The MX Master 3S is too bulky for travel.
Yes, both the MX Master 3S and Anywhere 3S use Logitech Darkfield laser tracking that works on glass and transparent surfaces.
Both last up to 70 days on a single charge. The MX Master 3S charges for 3 hours of use in 1 minute.