Short Answer
No. Gutter guards can reduce debris accumulation but do not make gutters maintenance-free.
Detailed Explanation
Gutter guards (also called gutter screens or covers) are designed to prevent leaves and debris from entering gutters while allowing water to flow through. They can significantly reduce the frequency of gutter cleaning, particularly in areas with many trees. But no gutter guard is 100% effective — small debris, seeds, and shingle granules can still enter, and guards themselves can become clogged with debris that sits on top. Over time, even guarded gutters may need occasional cleaning. Gutter guards also don't eliminate the need to inspect gutters for proper slope, attachment, and downspout function. They reduce maintenance but don't eliminate it.
Why It Matters
Believing gutter guards make gutters maintenance-free can lead to neglected inspections that allow problems to develop undetected.