When comparing Logitech G602 vs Evoluent VerticalMouse 4, the Slant community recommends Evoluent VerticalMouse 4 for most people. In the question“What is the best mouse for programmers?” Evoluent VerticalMouse 4 is ranked 8th while Logitech G602 is ranked 19th. The most important reason people chose Evoluent VerticalMouse 4 is:
The included Mouse Manager software allows you to assign different functions to the buttons such as hotkeys, Windows commands, or media control. You can reduce the amount of clicking you have to do by assigning a double-click button, or set the mouse to double-click automatically after a short pause. Static strain can also be reduced by pressing and holding a button momentarily to simulate continuous pressing.
Specs
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Pros

Pro Comfortable for palm grip with easy to hit buttons
Great for palm grip along with a the fantastic logitech software for key mapping and profiles.

Pro Great battery life
Good for users that want a wireless mouse without any loss of functionality or need to change the batteries every week

Pro Good optical sensor
Only up to 2500 DPI but it's a great sensor for those that don't need very high DPI.
Pro Can run on single battery for lighter weight
Users can opt to run the device on a single battery to cut down on the weight but this will have an impact on battery life.
Pro Included software further eases work
The included Mouse Manager software allows you to assign different functions to the buttons such as hotkeys, Windows commands, or media control. You can reduce the amount of clicking you have to do by assigning a double-click button, or set the mouse to double-click automatically after a short pause. Static strain can also be reduced by pressing and holding a button momentarily to simulate continuous pressing.
Pro Made from quality plastic and rubber
The mouse is made of quality hard plastic. The back portion of the mouse is made of a soft rubberized material that helps add grip. The scroll wheel feels tight and responsive.
Pro Comes in left and right handed forms
This mouse can be bought in six different versions: a left-handed one, two smaller ones (wired and wireless), and three standard right-handed versions.
Pro Takes away stress from your arms
Even if you don't have wrist pain, this mouse will be better for your hand health.
Pro Super comfortable and easy to use
Rather than twisting your forearm to abide the requirements of a traditional mouse, the VerticalMouse lets your arm rest in a natural pose while you navigate. Add to that browser buttons and customizable software on top of a navigating experience that is not only better for you but one of the smoothest in the consumer category and you have a easy to use everyday mouse.
Pro Lightweight
So you don't have to exert as much energy to move the mouse.
Cons


Con Somewhat heavy
Being that this is a wireless mouse there is the battery weight to contend with. Batteries in the weight of the device is 152 grams, which isn't all that bad considering but still not for users that like a lighter mouse.
The mouse can also be used with a single battery, which is useful for not only reducing weight but also for balancing the mouse. With two batteries the mouse can be a bit slipper on the right side when picking it up as the pinkie and ring fingers don't have as much to grip - but balancing the weight over towards the thumb allows the mice to be more easily picked up as the side buttons allow for a decent place to grip.
Con No wired option
The Logitech G602 does not offer a wired USB option, only wireless.

Con Macro Key Defect
Side buttons are known to register multiple keystrokes occasionally when pressed only once. With bindings such as Ctrl+F4, this naturally has destructive results.

Con Middle mouse button wore out after a year of heavy use
And with no way to open it it's near impossible to fix.
Con Takes a while to adapt
For a user that spends 8+ hours with a mouse it may take days, for a casual user it may take weeks.
Con Buttons feel cheap
The buttons feel cheap and mushy to press compared to other mice in its price range.
Con Subpar tracking
A bit inaccurate and may stutter on certain surfaces (mousepad recommended).
Con Driver interferes with other mice
The VerticalMouse mouse driver interferes with the Magic Mouse and Kensington drivers and even disables the Magic Mouse upon startup.
