Shark AI Robot Vacuum with XL Self-Empty Base AV2501AE vs Shark AI Ultra Robot Vacuum AV2511AE
What owners say · Updated October 2026
Owners find both vacuums struggle with consistent app performance and software bugs that hinder overall operation. While both models feature strong suction and self-emptying bases, users report frustration with navigation glitches and poor connectivity across both devices.
Shark
Shark AI Robot Vacuum with XL Self-Empty Base AV2501AE
“The Shark AV2501AE delivers strong automated cleaning and pet hair pickup, but owners frequently battle frustrating app connectivity and navigation hiccups.”
Choose it if you prioritize effective HEPA filtration and a large-capacity base for managing allergens.
Shark
Shark AI Ultra Robot Vacuum AV2511AE
“Solid suction and tangle-free cleaning undercut by buggy software and degrading navigation.”
Choose it if you prefer a self-cleaning brush roll specifically designed to resist pet hair tangles.
Where owners report a difference
| Shark AI Robot Vacuum with XL Self-Empty Base AV2501AE | Shark AI Ultra Robot Vacuum AV2511AE | |
|---|---|---|
| Brush roll performance | Owners report that the brush roll still accumulates long hair tangles. | Owners report that the self-cleaning brush roll effectively resists pet hair wraps. |
| Navigation | Owners report that the vacuum struggles with thresholds and gets stuck on obstacles. | Owners report that navigation deteriorates over time and the robot frequently bumps into furniture. |