My favorite is the knobs where some of them you can grab and rotate like they are physical but other ones only react to the vertical position of the cursor so you feel like a crazy person trying to use them
Please let a visitor explore (a) what it does, (b) what it actually looks like, before asking them to register. You need to show value before asking for user information even when what you're offering is free.
A 30-second demo video on the landing page would be absolutely fine, or half a dozen large screenshots showing the features.
Yeah it seems like if they wanted to make it appeal to Apple people they would make it more consistent and subtle. It's all so clean and then the numbers look like they came off a special calculator for people with failing eyesight.