Dolphin Premier vs Sigma - Maytronics Best Robotic Pool Cleaners - Head-to-Head Review & Comparison

The Dolphin Premier and Sigma are pinnacles of robotic cleaners. Two of the best values and performance, they can tackle everything from leaves, algae, debris, twigs, bugs, and so much more in your pool.


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[biglon]

When we got our "Aqua Alice" (that's our name for her - like Alice on the Brady Bunch - but for underwater.) I really wanted to love this unit. It looks sleek. It moves nicely under the water and it's easy to "drive" and retrieve when it's done. But, it's advertised to have "advanced algorithms" for cleaning your pool. Their advanced algorithm is that it simply moves around randomly and there's nothing advanced about it. We have a RoboRock room vacuum and it mapped the house first, and then, optimizes ita path and follows a specific path to clean our house. I assumed (incorrectly) that this would do something similar. Map out the pool and use it's advanced algorithms to optimize its pool cleaning.

Nope.

It just goes here and there and, while it pushes a lot of water through its filters, it's missing tons of my pool. It s a true shame because they have a good unit... they just need to connect with a robot vacuum Co. And buy their REAL advanced algorithms because the ones they're using, just aren't cutting it!!
I think you should review all the users before boasting just how good it is. out of 374 user (maytronics site) half of them were 3star and below--sad for such a pricey product. Just SAYING.

[esoaksfarms]

What about sun shelves and stairs? Would they be able to adequately access and clean them?

[jeromesonnier]

Which unit does a better job on the steps?

[iany]

I love your video! I am considering either Sigma or Premier. Can the Premier clean curved steps and "sitting platform" and its corresponding waterline? I would think the extra motor and maneuverability of the Sigma would give it an edge. However, in the fall, I do get a pile of leaves, but that is just a few weeks out of the year.

[USAFreedomEver]

I have an M400 that has trouble climbing walls of fiberglass pool and rarely does the water line like it should water chemistry is fine no slime on the walls what is the best model for being able to climb stairs and do the waterline of a fiberglass pool?

[markmadison]

great comparison....i am looking for the best option in our windy, sandy west texas climate. We get the red dirt blowing in this time of year. Im looking to change off my suction cleaner as its just too easy to clog the cartridge filters. I am even running a pre filter cyclone which does a great job but if I let it get too full it all goes straight to the cartridges. Would you recommend these cleaners for this type of climate? It looks like this fine dirt we have here would stop up any of those filter options on the premier or sigma. Does the cleaner automatically stop when it is full? Any info is appreciated.

[danielastanciu]

When you say it can be scheduled daily, weekly...etc it means that can we leave it in the pool all the time?

[randomreviews]

I have a struggle with yellow algae in my inground pool, which of these bots do you think would be better for me? Algae is my biggest problem here.

[dademaiolo]

Would either of these options work for an above ground pool? I’m interested in them, but I’ve been reading their usually recommended for in-ground pools. The other one I was looking at was either the Dolphin Escape or Dolphin E10, but I was unsure with no anti-tangle swivel and waterline cleaning. I have a 27 foot above ground pool. Any advice you could give would be great!

[ninarochette]

Thanks for your video. Do you think any of these robots would harm my sleeping pop-up heads? Sometimes they don’t retract all the way into the floor when they’re off.

[PangeaUltima-fd]

Have you tried any of the cordless pool cleaners?

[doriezitro]

Could these be used in a pool with salt water?

[frasiec]

Why not use the ultafine all the time?

[ScottBachelor_EXPRealty]

If I buy the Sigma, will I still need to hand brush my gunite pool?

[rrose]

What if my pool is 37 feet long, this says 33 is Max is it the limitation of supplied hose or what? Thank you