No. You can use the tool right now with no signup. Your info is saved in your own browser, which means it'll be there next time you open it on the same device, but it won't follow you to a different phone or computer yet.
No, never. Every pitch it drafts is just that — a draft. You read it, edit it if you want, and send it yourself. Nothing goes out under your name automatically.
What you enter (your stats, your niche, your goals) is sent to generate your read and isn't shared with anyone else or sold. See the privacy page for the full detail.
That's genuinely fine — there's no follower minimum. The read adjusts to what's realistic for your actual size, so you get an honest, useful next step either way, not a generic answer built for someone bigger.
No, and it won't ever claim to. It gives you an honest read on where you stand and a realistic path forward — what happens after that depends on you.