I just purchased the Ninja Hyperheat because it's been awhile since Ninja has offered a dedicated electric pressure cooker. I recently bought a couple of Instant Pots from Walmart as well, so I can't kind of compare them.
Other sellers offer different versions of the Hyperheat. This Walmart version has buttons instead of the dial on the more "premium" versions, and has two less presets, which I don't care about. I don't really use presets, just the pressure cooking setting and adjust according to my recipe. You save around 30 bucks buying the Walmart version, gotta love Walmart.
This unit is wider and a bit heavier than the other brand. I like the configuration because the insert is wider and shorter with a little more capacity than the typical 6 quart IP. You don't feel like you're having to navigate a silo, it's more open and has more room for sauteing, which is nice.
It looks and "feels" premium. The sage color is very nice, the lid looks and feels solid. The user experience is very nice. The insert is of very nice quality, substantial. It's a non-stick pot, but feels like it will last the test of time. Hand wash only for all of the parts, so if you're looking to throw stuff in the dishwasher, this isn't for you. It's really a breeze to clean, so I've gotten over my need to rely on a dishwasher safe product.
The controls are pretty basic, which works for me. There's no programming it, ie., what kind of pressure release, or when that happens like on some premium InstantPots. That's something that would be nice to see in the future, but I like this bare bones, yet premium Ninja product.
Also - the steam release valve is very basic, and it packs a punch. Meaning, if you're not used to using these types of products you need to be careful. You have two positions like most types of pots, open and sealed. Nothing happens automatically. You must manually chose your position and manually move the steam release valve with either your hand or maybe a wooden spoon, and stay away and aim the valve away from you or any wooden cabinets, again, it's a powerful spew.
The booklet/quick start guide is amazing. A lot of detail and very specific charts on how long and what pressure to cook a wide variety of foods. Very impressive. I'm not sure if Instant Pot times and temps and release guides work with this unit, this unit is more powerful. But cooking with electric pressure cookers alway require some trial and error before you dial things in. But I haven't had any poor results with this unit.
Another thing to note, the unit doesn't come with the wire rack to raise your items off the base of the insert. Most of us have a couple of those lying around, but if you don't have one, you must buy one separately. Ninja claims to offer these racks for purchase, as well as a glass lid for slow cooking, but they haven't appeared on their website as of yet.
I recommend this premium unit, the extra cost is worth it to me. It looks great on my countertop!
WARNING: 
