For the best cleaning ability, in both above and below ground pools, and the easiest to use unit, none beat the Dolphin 9999313-SWV Dolphin Advantage Plus RC Robotic Pool Cleaner with Swivel Cable. The swivel cable keeps the cord tangle free and out of the way so the robot can move freely in any direction. It will easily climb the walls, it has a remote control that will allow you to guide the unit manually, and it features a 1-hour rapid clean cycle for those touch-up cleaning chores.
The name says it best, and the Kreepy Krauly Prowler 830 Robotic Automatic Pool Cleaner will do your pool proud whenever it needs a cleaning. The swivel cord design keeps it from tangling, it has a remote control for manual cleaning, and comes with a built-in timer to clean your pool at times when you are away. It works on both above and below ground pools, and truthfully, this cleaner could be ranked #1.
If you want the best bang for the buck robotic, then the Hayward SharkVac Robotic Pool Cleaner is the one for you. Although it may be one of the lesser expensive units on this list, it cleans almost as good as the top rated models in both above ground or below ground pools. It may have difficulty with leaves, but in every other aspect, for the price, it works great. It is fast, the filter housing is on top, so you don't have to turn it over to clean it, and it will climb walls, but it won't do stairs.
For a price no object robotic, the Water Tech BLD03RC Blue Diamond RC Robotic Pool Cleaner is the one to get. It is completely programmable, so you can customize it to clean exactly what you want, the remote control allows you to take control manually, and it will climb walls with the best of them. The price is high and it won't work on above ground pools, but it still ranks as one of the best robotic available, at any cost.
The least expensive robotic on this list is the Aqua Products Pool Rover S2-50. But don't let the price fool you. This is a solid cleaning robotic that works in both above ground and below ground pools, has a kink-free swivel cable, and it will climb inclined walls. Although it has basic timer and shut off operations, so it is not very versatile, the cleaning functions rival the top rated models in any pool you put it in.
You'll need an optional booster pump for this baby, but if you get one, the Kreepy Krauly Legend Grey Top, White Bottom Pressure Side Pool Cleaner will do a great job your pool cleaning chores. Made for in-ground pools only, it has four wheels for stability and features front wheel drive to get it up inclines. The large capacity debris bag keeps it in the water longer before you need to empty the bag and it will do your entire pool in about one to three hours.
If you are looking for a superior cleaner that doesn't need a booster pump, than the Zodiac F1 Polaris Vac-Sweep 360 Head and Hose Pressure Side Pool Cleaner is the one for you. For in-ground pools only, it hooks into your return line and vaccums the bottom and sides of your pool with ease. It is made to clean any pool in three hours or less, and if it had a bit more power, it would have been a top choice.
For the best bang for the buck unit here, the Zodiac 6-120-00 Polaris Vac-Sweep 165 Pressure Side Pool Cleaner can't be beat. It is the least expensive cleaner here, but the shape of the unit maximizes the vacuum and jet sweeping action. It comes with an easy to detach filter bag and will clean any pool in three hours or less. If you are on a budget, this is the cleaner to get.
If you want to put in a little fun when cleaning your above ground pool, the Polaris 65 Turbo Turtle Above Ground Pressure Side Automatic Pool Cleaner will clean as good as it looks. This unit is made for above ground pools that are 5 feet deep or less. It works over virtually any above ground pool surface, and it's fun to watch as it cleans your pool. No booster pump needed, cleans your pool in three hours and the kids will love it.
If you are looking for a price no object pool cleaner, you can't do better than the Polaris 380 Pressure Side Automatic Pool Cleaner. You'll need an added booster pump to run this baby, but the three venturi jets will clean bottoms, walls and even stairs. All of the waste is deposited into an easy to empty Zip-lock filter bag, and although expensive, this is the most powerful pressure pool cleaner on the list.
Effective and reliable, the Zodiac W70472 Baracuda G2 Automatic Pool Cleaner is lightweight and easy to use. Just attach it to your skimmer or a dedicated vacuum line and let it go. It will clean the walls as well as the pool bottom, and the greater the suction power of your pump, the more effective that it will be. For the price and for it's effectiveness in cleaning, this suction pool cleaner comes in at #1.
If you have an above ground pool, the Baracuda W01698 Ranger Suction Side Automatic Above-Ground Pool Cleaner is the one for you. One of the least expensive cleaners on this list, it has a unique Flowkeeper valve that automatically regulates water flow to give you peak performance with any pump. It will even clean dished-out bottoms up to 72 inches. For above ground pool cleaning, this is #1.
Although a bit more expensive than the previous above ground pool cleaner, the Pentair Lil' Shark Pool Cleaner has actual brushes around the suction hose to add a scrubbing action as it vacuums. It works best on vinyl linings and deals adequately with dished out areas on the bottom, although deeper dishes may cause it to circle. It has five adjustable cleaning paths, or it can be hooked onto a pole for use as a hand vac. Versatile and effective, this is a good choice for above ground pool cleaning.
For a cost no object pool cleaner, the Pentair K70405 Kreepy Krauly Classic Inground Automatic Pool Suction-Side Cleaner will clean your in-ground pool and give superior results. This unit uses a flapper valve for reliability, and the 2 year warranty proves its durability. It runs off your pool pump and works on any in-ground pool surface, cleaning both the bottom and the wall. Although this unit costs about as much as some robotoic cleaners, if you are willing to pay the price for admission, this is the best cleaner, bar none, on the list.
For smaller steel walled above ground pools, you don't really need anything expensive, you just need something that works, and that's exactly why the Kokido Derby Automatic Vac Above Ground Swimming Pool Vacuum Cleaner makes this list. Inexpensive with no high-tech bells or whistles, it runs off of a standard 1/2 horsepower pump and works best on steel walled pools. For a little money and a lot of cleaning, this is the cleaner for you.