
eero
Pro 6 Series
Easy, reliable, smart home ready; but paid features.

Running these analyses costs money. Buy through my links to help keep lights on! I may get a small commission.
Are you able to turn off the 5GHz band with ubiquiti and run a 2.4GHz only network? I chose Decos because I needed to do that. I’ve been tempted to upgrade recently but I think my issues are a combination of only using 2.4GHz and being on crappy fixed wireless. I’m about to change providers to get faster fixed wireless (and cheaper, bloody Telstra!) and need my own modem so am about to buy a Deco x50 dsl, but if I’m going to change to unifi now would be the time.
Yes I’ve done that before. I think Deco seems much easier overall. Best to just stick with it I think and hope upgrading to faster fixed wireless improves it enough.
I got those cheapo deco x50 with wired backhaul, there are better ones. But the biggest difference I made was everything that doesn't move gets a cable. *everything*
+1 for Deco mesh. My house is 3 stories so I went for 3 x X50 and it works flawlessly. My gaming pc is on the top floor and I have it wired to one x50 and the speed is great. Can't remember exactly what I'm getting but it's more than fast enough. The x50 has 5 Ghz and 2.4 Ghz and you can set which one works for different connections if you want.
My opinion. Asus aimesh. I have tried TP Link X50 but they spend more time offline than on. Orbi is superb however its too rigid. One router and 2 satellites doesnt like bridge mode or AP Mode. I moved to Asus with RT-BE92U as router and XD4 mini access points. Router mode, AP mode both work well. Versatility of being able to use most of their routers interchangeably as access points. There are downsides. Asus mesh doesnt seem to like IoT devices for smart home. Speakers, bulbs etc. Haven't tried Ubiquiti which a lot of people absolutely praise. If it was within my budget I would try it. Comes down to budget. If you can afford it. Ubiquiti by all accounts. Asus is a great option, Orbi is good if you use it as they want you to. TP Link for me is budget friendly but I think you would end up replacing it and spending again.
Just add another deco, easier from a management standpoint. But no, you could just add an AP, you would not need a separate router.
E4, M4 and S7 are pretty much the same, they are different generation models with new ones being slim and shorter than the old ones. These 3 are the basic ones and should be more than enough. X series gives you extra security feature (most of them require their paid monthly plan) and x50 that I use allows you to plugin your vpn config and supports wifi 6. If you don't use vpn you are better off grabbing M4 or S7 whichever is cheaper. For my upstairs where I usually work from I have M4.

eero
Pro 6 Series
Easy, reliable, smart home ready; but paid features.

TP-Link
Deco XE75 Pro
Great coverage, easy; but unreliable Ethernet, poor app.

eero
eero Max 7
Incredibly fast, reliable; but very expensive, limited control.

eero
eero Pro 7
Fast, reliable; but paid features, needs internet to function.

eero
eero 7
Easy, reliable coverage; but no 6GHz, paid features.